New McCloskey Impact Crusher Delivers Higher Production, More Power, Lower Fuel Costs


 McCloskey International has introduced a new highly efficient version of its I44R mobile impact crusher. The I44Rv3 combines the productivity of a 44-in. impactor with the versatility of a full screening and recirculating system, allowing operators to produce a crushed and screened final product with one machine. Following worldwide field site visits, the feedback from the customers has resulted in significant other changes, including direct drive, an enhanced material flow path, larger pre-screen, and a more open chassis. The I44Rv3's radial return conveyor features full length dust suppression control, allowing operators to recirculate oversize material from the screenbox back to the feed hopper or radial a complete 90 degrees while running. Other new features include a more open chassis for ease-of-access, a larger double-deck prescreen for more efficient fines removal, and a direct drive crusher, delivering more power, along with lower fuel costs. Efficiency is boosted with the new design, particularly in the material flow path….


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And every tongue acknowledge that Jesus Christ is Lord, to the glory of God the Father.

Boston Transit Agency CEO Hire Draws Flak


Veteran corporate executive Luis M. Ramirez began a new role on Sept. 12 as general manager and CEO of the Massachusetts Bay Transit Authority, despite controversy over his lack of public transit management experience and financial scrutiny of Global Power Equipment Group, an engineer and manufacturer of which he was CEO until 2015.


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If your brother or sister sins, go and point out their fault, just between the two of you. If they listen to you, you have won them over.

Toshiba selects Bain group as buyer of its memory chip business: sources

TOKYO (Reuters) – Japan’s Toshiba Corp (6502.T) has selected a group led by U.S. private equity firm Bain Capital to buy its prized memory chip unit, three people with knowledge of the talks said on Wednesday, the latest dramatic twist to a highly contentious auction.

The decision was made by Toshiba’s board and will be announced later on Wednesday, two sources said. The people declined to be identified as they were not authorised to speak on the matter.

Toshiba declined comment. A representative for Bain was not immediately available for comment.

The auction of the world’s No. 2 producer of NAND semiconductors has been marked by a slew of revised bids, changing alliances among suitors, as well as legal wrangling from chip joint venture partner Western Digital Corp (WDC.O) – a threat that still hangs over the sale.

Three separate sources had told Reuters late Tuesday that Toshiba was shifting back towards selling the unit to a group backed by Western Digital.

But one of people speaking on Wednesday said Western Digital had failed to agree on limits to the U.S. firm’s future stake in the chip business that had been demanded by Toshiba.

A representative for Western Digital was not immediately available for comment.

The embattled Japanese conglomerate has little time to waste and has been under pressure from its lenders to clinch a deal this month to ensure enough time for regulatory reviews so that it can finish the sale by the end of the financial year.

If it doesn‘t, it won’t have the funds to plug a huge hole in its finances and could be delisted. Even without that problem staring it in the face, the semiconductor business requires huge amounts of investment and Toshiba’s chip unit runs the danger of losing its competitive ability as rivals roll out big capital spending plans.

Bain has partnered with South Korean chipmaker SK Hynix Inc (000660.KS) and has also brought in U.S. tech firms such as Apple Inc (AAPL.O) and Dell Inc [DI.UL], both buyers of Toshiba chips, to bolster its offer, which sources have said is worth some $22 billion.

SK Hynix declined to comment.

But a deal is likely to face fierce opposition from rival bidder Western Digital, which argues any pact will need its consent.

The U.S. firm has already taken the dispute to the International Court of Arbitration to prevent the sale and a source with knowledge of the matter has said it is prepared to seek an immediate court injunction.

Reporting by Taro Fuse and Kentaro Hamada; Additional reporting by Makiko Yamazaki, Junko Fujita, Tom Wilson in Tokyo and Joyce Lee in Seoul; Writing by Makiko Yamazaki; Editing by Edwina Gibbs

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For as in Adam all die, so in Christ all will be made alive.

Cyber attack, hurricane weigh on FedEx quarterly profit

(Reuters) – Package delivery company FedEx Corp (FDX.N) said on Tuesday a June cyber attack on its Dutch unit slashed $300 million from its quarterly profit, and the company lowered its full-year earnings forecast.

The company said the cyber attack slashed 79 cents per share from its profit – nearly 40 times the 2 cents per share caused by deadly Hurricane Harvey, which brought catastrophic flooding to southeastern Texas.

FedEx joins a string of companies that reported big drops in earnings due to the NotPetya virus, which hit on June 29, crippling Ukraine businesses before spreading worldwide to shut down shipping ports, factories and corporate offices.

“The impact of the cyberattack on TNT Express and lower-than-expected results at FedEx Ground reduced our first-quarter earnings,” said FedEx Chief Financial Officer Alan Graf. “We are currently executing plans to mitigate the full-year impact of these issues.”

Shares of the Memphis-based company, often considered a bellwether for the U.S. economy as are those of rival United Parcel Service Inc (UPS.N), dipped more than 2 percent in after-hours trading.

FedEx reported net income for its fiscal first quarter ended Aug. 31 of $596 million or $2.19 per share, down more than 16 percent from the year-ago $715 million or $2.65 per share.

Excluding one-time items, the company reported earnings per share of $2.51. Wall Street analysts had expected earnings per share of $3.09.

Excluding the impact of the cyber attack and Hurricane Harvey, FedEx said it would have posted EPS of $3.32, above analysts’ expectations.

Most services of the Dutch TNT Express unit resumed during the quarter and systems had been restored, but TNT Express volume, revenue and profit still remained below pre-attack levels, the company said.

FedEx did not have insurance in place that covered the impact from the cyber attack.

FedEx also said higher shipping rates across its operating units were more than offset by the cyber attack, costs related to the integration of its TNT unit, higher costs at its FedEx ground, and a higher tax rate.

The company’s operating margin fell to 7.3 percent from 8.6 percent.

FedEx lowered its forecast for fiscal 2018 earnings per diluted share to a range of $11.05 to $11.85, from a previous range of $12.45 to $13.25. Analysts forecast earnings of $13.01 per share for the full year.

Overall revenue rose to $15.3 billion from $14.7 billion in the year-ago period. Analysts had expected 15.35 billion.

FedEx said on Monday it will increase its Express, Ground, and Home Delivery shipping rates by an average of 4.9 percent on Jan. 1.

FedEx and UPS usually unveil price increases for the coming year around this time.

Reporting by Eric M. Johnson in Seattle, Nick Carey in Detroit and Jim Finkle in Toronto; Editing by Joe White and Matthew Lewis

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We who are Jews by birth and not sinful Gentiles know that a person is not justified by the works of the law, but by faith in Jesus Christ. So we, too, have put our faith in Christ Jesus that we may be justified by faith in Christ and not by the works of the law, because by the works of the law no one will be justified.

DNA triggers shape-shifting in hydrogels, opening a new way to make ‘soft robots’ — ScienceDaily

Combining neutron and X-ray imaging gives clues to how ancient weapons were manufactured

Biochemical engineers at the Johns Hopkins University have used sequences of DNA molecules to induce shape-changing in water-based gels, demonstrating a new tactic to produce “soft” robots and “smart” medical devices that do not rely on cumbersome wires, batteries or tethers.

The research advance, supervised by three faculty members in the university’s Whiting School of Engineering, is detailed in the Sept. 15 issue of the journal Science.

The team members reported that their process used specific DNA sequences called “hairpins” to cause a centimeter-size hydrogel sample to swell to 100 times its original volume. The reaction was then halted by a different DNA sequence, dubbed a “terminator hairpin.”

This approach could make it possible to weave moving parts into soft materials. The researchers have suggested that their process could someday play a role in creating smart materials, metamorphic devices, complex programmed actuators and autonomous robots with potential marine and medical applications.

To control how shape-shifting occurs in different parts of the target hydrogel, the researchers took a cue from the computer industry. They employed a photo-patterning technique similar to the one used to make tiny but intricate microchips. Various biochemical patterns embedded in different regions of the gel were designed to respond to specific DNA instructions to cause bending, folding or other responses.

“DNA sequences can be thought of as an analog to computer code,” said David H. Gracias, a professor in the university’s Department of Chemical and Biomolecular Engineering, and one of two senior authors of the Science article. “Just as computer software can direct specific tasks, DNA sequences can cause a material to bend or expand in a certain way at a specific site.”

He added that this is not an unusual occurrence in nature. “Shape changing is very important in biology,” Gracias said. “Think about how a caterpillar turns into butterfly.”

The study’s other senior author, Rebecca Schulman, is an assistant professor in the same department. Her research group designs intelligent materials and devices using techniques from DNA nanotechnology. “We’ve been fascinated by how living cells can use chemical signals to decide how to grow or move and use chemical energy to power themselves,” she said. “We wanted to build machines that could act in a similar way. Our fabrication technology makes it possible to design very complicated devices in a range of sizes.”

Thao (Vicky) Nguyen, a Johns Hopkins expert in the mechanics of polymers and biomaterials, provided key contributions to the research and was a co-author of the paper. “Using computer simulations, we developed a design rule to transform the large swelling of the hydrogel into the desired shape-change response,” she said. Nguyen is an associate professor and the Marlin U. Zimmerman Jr. Faculty Scholar in the Department of Mechanical Engineering.”

To confirm their ability to control which hydrogel targets were activated, the team members used DNA sequence-responsive flower-shaped hydrogels. In each “flower,” two sets of petals were fabricated, and each set was designed to respond only to one of two different DNA sequences. When exposed to both sequences, all of the petals folded in response. But when they were exposed to just one of the sequences, only the petals matched to that sequence folded.

The team also fabricated hydrogel crab-shaped devices in which the antennae, claws and legs each curled up in in response to their matching DNA sequence. The crab devices remained in their actuated state for at least 60 days. The crab shape was selected in honor of the popular seafood served in the university’s home state of Maryland.

The new technology detailed in the Science paper is protected by a provisional patent obtained through the university’s Johns Hopkins Tech Ventures office.

Video: https://www.youtube.com/watch?v=dUEQ4lV0iyQ

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Dishonest money dwindles away, but whoever gathers money little by little makes it grow.

Wall St. clings to records, helped by banks; tech falters

(Reuters) – The S&P 500 ended slightly higher on Monday as financial stocks rose ahead of a Federal Reserve meeting, but the Nasdaq pared gains sharply as technology stocks lost ground late in the session.

Five of the 11 major S&P sectors ended lower. Rising U.S. Treasury yields boosted financial stocks, as higher interest rates tend to lift bank profits, but rate-sensitive sectors such as utilities were the weakest.

The Fed meeting, which starts Tuesday, is expected to yield details on how the central bank will unwind its $4.2 trillion portfolio of Treasuries and mortgage-backed securities, nearly a decade after the global financial crisis.

After pushing the S&P above its 2,500-point milestone last week, investors were holding their fire as they awaited more clues on the timing of the next rate hike from Fed Chair Janet Yellen.

“You just had that little momentum spurt after it went through 2,500 but it is kind of running out of steam and is going to bide its time until Wednesday, when they listen to Janet” said Ken Polcari, director of the NYSE floor division at O’Neil Securities in New York.

However, the Dow still clocked a closing record for the fifth day in a row while the S&P had a closing record for the second consecutive session.

A trader works on the floor of the New York Stock Exchange (NYSE) in New York, U.S., September 8, 2017. REUTERS/Brendan McDermid

“There’s momentum in the market. There’s lots of cash. Even though the Fed’s about to reduce their balance sheet, you continue to have incredibly aggressive monetary policy. That continues to lead to money flowing into the market almost in an indiscriminate fashion,” said Stephen Massocca, senior vice president at Wedbush Securities in San Francisco.

The Dow Jones Industrial Average .DJI rose 63.01 points, or 0.28 percent, to 22,331.35, the S&P 500 .SPX gained 3.64 points, or 0.15 percent, to 2,503.87 and the Nasdaq Composite .IXIC added 6.17 points, or 0.1 percent, to 6,454.64.

Big technology stocks such as Microsoft (MSFT.O) and Google parent Alphabet (GOOGL.O) came under pressure late in the session after Amazon said it would move to charging businesses in one-second increments for use of its servers.

“That competes with Google and Microsoft, and it’s going to weigh on the entire tech space” because of price competition, said Michael O‘Rourke, chief market strategist at JonesTrading in Greenwich, Connecticut.

Microsoft shares ended down 0.2 percent while Alphabet was off 0.6 percent, with both stocks seeing a pickup in volume late in the day.

Advancing issues outnumbered declining ones on the NYSE by a 1.36-to-1 ratio; on Nasdaq, a 1.55-to-1 ratio favored advancers.

About 5.97 billion shares changed hands on U.S. exchanges on Monday, compared with the 5.91 billion average for the last 20 sessions.

Additional reporting by Caroline Valetkevitch in New York, Sruthi Shankar in Bengaluru; Editing by Nick Zieminski and Dan Grebler

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For God did not send his Son into the world to condemn the world, but to save the world through him.

Exclusive: AT&T weighs divestiture of Latin American TV assets – sources

(Reuters) – AT&T (T.N) is evaluating a sale of its pay TV operations in Latin America as it seeks to pay down debt following its planned $85.4 billion acquisition of Time Warner Inc (TWX.N), people familiar with the matter said on Friday.

AT&T is working with a financial adviser to field interest in the assets, which could be valued at more than $8 billion, the people added, asking not to be named because the matter is private.

Liberty Global PLC (LBTYA.O), Spanish telecommunications company Telefonica SA and Millicom International Cellular SA (MICsdb.ST), a wireless player in Latin America, are some of the companies that could express interest in all or parts of AT&T’s Latin American markets, according to the people.

AT&T declined to comment. Liberty Global, Telefonica and Millicom could not be reached for comment.

Most Latin American countries, with the exception of Venezuela, have stabilized over the past year with markets such as Brazil’s rallying after struggling with a recession for several years following the end of a decades-long commodities boom.

There is no guarantee that AT&T will be successful in selling the business, which includes satellite and cable television services in Brazil, Colombia, Venezuela, Argentina and several other countries, the people said. It could still decide to keep the systems, the people added.

AT&T is not interested in selling its pay TV business in Mexico, since it has been investing in wireless services in the country, the sources said. It acquired these TV operations as part of its $49 billion acquisition of DirecTV in 2015.

AT&T has been reviewing its portfolio to find ways to help pay down its debt load, which will increase to about $180 million once its acquisition of Time Warner closes.

AT&T expects the Time Warner acquisition to close by the end of the year. The deal is currently under antitrust review by the U.S. Department of Justice.

AT&T’s chief executive, Randall Stephenson, said earlier this week at a Goldman Sachs conference that every year the company “monetizes a number of assets that strategically don’t fit and aren’t in the longterm game plan of the business.” The company has also said in the past that it would be open to a strategic combination in the region.

In the second quarter, AT&T had 13.6 million total subscribers in Latin America, excluding Mexico, and generated total revenue of $1.4 billion. AT&T owns about 93 percent of Sky Brasil, the largest satellite provider in the region’s biggest economy. It owns PanAmericana, which offers satellite TV services under the DirecTV brand in countries including Venezuela, Argentina, Chile, Colombia and Puerto Rico.

AT&T has also been looking to sell its Digital Life home security business, which could fetch close to $1 billion in a sale, Reuters previously reported. [nL2N1L31SA]

Reporting by Liana B. Baker and Jessica Toonkel in New York; Editing by Leslie Adler

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Since you are precious and honored in my sight, and because I love you, I will give people in exchange for you, nations in exchange for your life.

Simulations and analysis provide new atomic-scale clues to material’s enhanced hydrogen storage properties — ScienceDaily

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A powdery mix of metal nanocrystals wrapped in single-layer sheets of carbon atoms, developed at the Department of Energy’s Lawrence Berkeley National Laboratory (Berkeley Lab), shows promise for safely storing hydrogen for use with fuel cells for passenger vehicles and other uses. And now, a new study provides insight into the atomic details of the crystals’ ultrathin coating and how it serves as selective shielding while enhancing their performance in hydrogen storage.

The study, led by Berkeley Lab researchers, drew upon a range of Lab expertise and capabilities to synthesize and coat the magnesium crystals, which measure only 3-4 nanometers (billionths of a meter) across; study their nanoscale chemical composition with X-rays; and develop computer simulations and supporting theories to better understand how the crystals and their carbon coating function together.

The science team’s findings could help researchers understand how similar coatings could also enhance the performance and stability of other materials that show promise for hydrogen storage applications. The research project is one of several efforts within a multi-lab R&D effort known as the Hydrogen Materials — Advanced Research Consortium (HyMARC) established as part of the Energy Materials Network by the U.S. Department of Energy’s Fuel Cell Technologies Office in the Office of Energy Efficiency and Renewable Energy.

Reduced graphene oxide (or rGO), which resembles the more famous graphene (an extended sheet of carbon, only one atom thick, arrayed in a honeycomb pattern), has nanoscale holes that permit hydrogen to pass through while keeping larger molecules at bay.

This carbon wrapping was intended to prevent the magnesium — which is used as a hydrogen storage material — from reacting with its environment, including oxygen, water vapor and carbon dioxide. Such exposures could produce a thick coating of oxidation that would prevent the incoming hydrogen from accessing the magnesium surfaces.

But the latest study suggests that an atomically thin layer of oxidation did form on the crystals during their preparation. And, even more surprisingly, this oxide layer doesn’t seem to degrade the material’s performance.

“Previously, we thought the material was very well-protected,” said Liwen Wan, a postdoctoral researcher at Berkeley Lab’s Molecular Foundry, a DOE Nanoscale Science Research Center, who served as the study’s lead author. The study was published in the Nano Letters journal. “From our detailed analysis, we saw some evidence of oxidation.”

Wan added, “Most people would suspect that the oxide layer is bad news for hydrogen storage, which it turns out may not be true in this case. Without this oxide layer, the reduced graphene oxide would have a fairly weak interaction with the magnesium, but with the oxide layer the carbon-magnesium binding seems to be stronger.

“That’s a benefit that ultimately enhances the protection provided by the carbon coating,” she noted. “There doesn’t seem to be any downside.”

David Prendergast, director of the Molecular Foundry’s Theory Facility and a participant in the study, noted that the current generation of hydrogen-fueled vehicles power their fuel cell engines using compressed hydrogen gas. “This requires bulky, heavy cylindrical tanks that limit the driving efficiency of such cars,” he said, and the nanocrystals offer one possibility for eliminating these bulky tanks by storing hydrogen within other materials.

The study also helped to show that the thin oxide layer doesn’t necessarily hinder the rate at which this material can take up hydrogen, which is important when you need to refuel quickly. This finding was also unexpected based on the conventional understanding of the blocking role oxidation typically plays in these hydrogen-storage materials.

That means the wrapped nanocrystals, in a fuel storage and supply context, would chemically absorb pumped-in hydrogen gas at a much higher density than possible in a compressed hydrogen gas fuel tank at the same pressures.

The models that Wan developed to explain the experimental data suggest that the oxidation layer that forms around the crystals is atomically thin and is stable over time, suggesting that the oxidation does not progress.

The analysis was based, in part, around experiments performed at Berkeley Lab’s Advanced Light Source (ALS), an X-ray source called a synchrotron that was earlier used to explore how the nanocrystals interact with hydrogen gas in real time.

Wan said that a key to the study was interpreting the ALS X-ray data by simulating X-ray measurements for hypothetical atomic models of the oxidized layer, and then selecting those models that best fit the data. “From that we know what the material actually looks like,” she said.

While many simulations are based around very pure materials with clean surfaces, Wan said, in this case the simulations were intended to be more representative of the real-world imperfections of the nanocrystals.

A next step, in both experiments and simulations, is to use materials that are more ideal for real-world hydrogen storage applications, Wan said, such as complex metal hydrides (hydrogen-metal compounds) that would also be wrapped in a protective sheet of graphene.

“By going to complex metal hydrides, you get intrinsically higher hydrogen storage capacity and our goal is to enable hydrogen uptake and release at reasonable temperatures and pressures,” Wan said.

Some of these complex metal hydride materials are fairly time-consuming to simulate, and the research team plans to use the supercomputers at Berkeley Lab’s National Energy Research Scientific Computing Center (NERSC) for this work.

“Now that we have a good understanding of magnesium nanocrystals, we know that we can transfer this capability to look at other materials to speed up the discovery process,” Wan said.


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But even if you should suffer for what is right, you are blessed. “Do not fear their threats; do not be frightened.”

Millburn, NJ’s Complete Streets Program Wins Award for Excellence :: Story ID: 36358 :: Construction Equipment Guide

📅   Thu September 14, 2017 – National Edition

Millburn Township was selected because of the scale of changes it has made to the town in accordance with Complete Streets policy, including parklets, streetscaping and widened sidewalks.

Millburn Township was selected because of the scale of changes it has made to the town in accordance with Complete Streets policy, including parklets, streetscaping and widened sidewalks.


Millburn Township, N.J., announced Sept. 13 that its Complete Streets program will be given the Complete Streets Excellence award at the 2017 New Jersey Complete Streets Summit held at Rutgers University on Oct. 24. The award recognizes a municipality that has demonstrated excellence in Complete Streets policy development and implementation.

The award will be presented by the Voorhees Transportation Center at Rutgers, the State University of New Jersey and the Office of Bicycle and Pedestrian Programs at the New Jersey Department of Transportation (NJDOT) to Millburn Township Mayor Cheryl Burstein and other local officials.

“We are gratified that our Township will receive a Complete Streets Excellence award,” said Millburn Township Mayor Cheryl Burstein. “This project is helping to create a safer, more user-friendly and vibrant downtown. We have seen a reduction in accidents, decreased speeds on main streets and greater accessibility to all of our incredible businesses for all residents.”

Millburn Township was selected because of the scale of changes it has made to the town in accordance with Complete Streets policy, including parklets, streetscaping and widened sidewalks.

“Millburn’s commitment to a comprehensive Complete Streets design and implementation is impressive,” said Charles Brown, chair of the 2017 Complete Streets Summit Planning Committee. “The township is not only investing in safety improvements, but creating a vibrant and active downtown for all to enjoy. We are proud to honor them with this award.”

Previously, excellence awards have gone to the Township of Montclair, City of Lambertville, City of Hoboken, and the City of New Brunswick.

The $8.2M Complete Streets program was adopted by Millburn Township in 2014 to update a functionally obsolete downtown infrastructure and make roadways and sidewalks safer for motorists and pedestrians. A comprehensive traffic analysis was performed by Sam Schwartz Engineering and the final design by Arterial Streets, LLC, included feedback from several public open houses.

A three-phase implementation plan was developed with a robust series of traffic calming and improvements that include road-diets, curb bump-outs, bicycle parking, widened sidewalks and corners, high-visibility crosswalks, pedestrian lighting, signage and more.

The town is already seeing positive changes as a result. Speeds have decreased in the reconfigured areas of Millburn Avenue with the average motorist traveling at 29 mph. When compared to the three years preceding Complete Streets construction, the Main Street intersections of both Millburn Ave. and Essex St. have experienced a 23 percent decrease in motor vehicle and pedestrian accidents.

The construction of flexible parking made “Millburn Live” events possible during weekends in June 2017 where street vendors, live music and kids’ activities brought hundreds of people into downtown Millburn. A new app called mPay2Park has made paying for parking simpler in the town allowing for mobile, on-the-go payments with no transaction fees. Zone C along Millburn Avenue now offers free 15-minute parking at the pay stations for those who just want to run a quick errand.

The township began construction on the final part of Phase One of its Complete Streets program last week. Crews are working on a short stretch of Millburn Avenue between Douglas Street and Spring Street for approximately three to four weeks. The work will improve pedestrian safety for students at Washington School and Millburn High School while enhancing sidewalk accessibility.

The 2017 Complete Streets summit will bring together over 200 planners, engineers, advocates and policy-makers throughout the state to advance strategies for providing a safe, multi-modal transportation system that’s accessible to all users. Over 130 municipalities and counties in New Jersey have adopted Complete Streets programs.

A Complete Streets Summit Planning Committee was tasked with sifting through dozens of entries to find a winner. Committee members included officials from:

  • Office of Bicycle and Pedestrian Programs at the New Jersey Department of Transportation
  • The North Jersey Transportation Planning Authority
  • Delaware Valley Regional Planning Authority
  • South Jersey Transportation Planning Authority
  • New Jersey Bike & Walk Coalition
  • Tri-State Transportation Campaign
  • Sustainable Jersey
  • AARP
  • The Alan M. Voorhees Transportation Center at Rutgers University
  • Other townships and projects to be honored this year include the Borough of Somerville, Cape May County, the Ironbound Neighborhood in the City of Newark, Kings Highway Trail, and the City of Morristown.


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    In God, whose word I praise— in God I trust and am not afraid. What can mere mortals do to me?

    UH researchers discover new form of stretchable electronics, sensors and skins — ScienceDaily

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    A team of researchers from the University of Houston has reported a breakthrough in stretchable electronics that can serve as an artificial skin, allowing a robotic hand to sense the difference between hot and cold, while also offering advantages for a wide range of biomedical devices.

    The work, reported in the journal Science Advances, describes a new mechanism for producing stretchable electronics, a process that relies upon readily available materials and could be scaled up for commercial production.

    Cunjiang Yu, Bill D. Cook Assistant Professor of mechanical engineering and lead author for the paper, said the work is the first to create a semiconductor in a rubber composite format, designed to allow the electronic components to retain functionality even after the material is stretched by 50 percent.

    The work is the first semiconductor in rubber composite format that enables stretchability without any special mechanical structure, Yu said.

    He noted that traditional semiconductors are brittle and using them in otherwise stretchable materials has required a complicated system of mechanical accommodations. That’s both more complex and less stable than the new discovery, as well as more expensive, he said.

    “Our strategy has advantages for simple fabrication, scalable manufacturing, high-density integration, large strain tolerance and low cost,” he said.

    Yu and the rest of the team – co-authors include first author Hae-Jin Kim, Kyoseung Sim and Anish Thukral, all with the UH Cullen College of Engineering – created the electronic skin and used it to demonstrate that a robotic hand could sense the temperature of hot and iced water in a cup. The skin also was able to interpret computer signals sent to the hand and reproduce the signals as American Sign Language.

    “The robotic skin can translate the gesture to readable letters that a person like me can understand and read,” Yu said.

    The artificial skin is just one application. Researchers said the discovery of a material that is soft, bendable, stretchable and twistable will impact future development in soft wearable electronics, including health monitors, medical implants and human-machine interfaces.

    The stretchable composite semiconductor was prepared by using a silicon-based polymer known as polydimethylsiloxane, or PDMS, and tiny nanowires to create a solution that hardened into a material which used the nanowires to transport electric current.

    “We foresee that this strategy of enabling elastomeric semiconductors by percolating semiconductor nanofibrils into a rubber will advance the development of stretchable semiconductors, and … will move forward the advancement of stretchable electronics for a wide range of applications, such as artificial skins, biomedical implants and surgical gloves,” they wrote.

     

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    It is written: ‘As surely as I live,’ says the Lord, ‘every knee will bow before me; every tongue will acknowledge God.’

    Groundwork to better understanding optical properties of glass — ScienceDaily

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    Glass is everywhere. Whether someone is gazing out a window or scrolling through a smartphone, odds are that there is a layer of glass between them and whatever it is they’re looking at.

    Despite being around for at least 5,000 years, there is still a lot that is unknown about this material, such as how certain glasses form and how they achieve certain properties. Better understanding of this could lead to innovations in technology, such as scratch-free coatings and glass with different mechanical properties.

    Over the past few years, researchers at the University of Pennsylvania have been looking at properties of stable glasses, closely packed forms of glasses which are produced by depositing molecules from a vapor phase onto a cold substrate.

    “There have been a lot of questions,” said Zahra Fakhraai, an associate professor of chemistry in Penn’s School of Arts & Sciences, “about whether this is analogous of the same amorphous state of naturally aged glasses such as amber, which are formed by just cooling a liquid and aging it for many, many years.”

    In order to answer these questions, Fahkraai and Ph.D. student Tianyi Liu collaborated with chemistry professor Patrick Walsh who designed and synthesized a new special molecule that is perfectly round with a spherical shape. According to Fakhraai, these unique molecules can never align themselves with any substrate as they are deposited. Because of this, the researchers expected the glasses to be amorphous and isotropic, meaning that their constituent particles, whether they are atoms, colloids or grains, are arranged in a way that has no overarching pattern or order.

    Surprisingly, the researchers noticed that these stable glasses are birefringent, meaning the index of refraction of light is different in directions parallel and normal to the substrate, which wouldn’t be expected in a round material. Their results were published in Physical Review Letters.

    With birefringence, light shined in one direction will break differently than light shined from a different direction. This effect is often harnessed in liquid crystal displays: changing the orientation of the material causes light to interact differently with it, producing optical effects. In most deposited glasses, this is a result of molecules aligning in a particular direction as they condensate from the vapor phase into a deep glassy state.

    The birefringence patterns of the stable glasses were strange, Fakhraai said, as the researchers did not expect any orientation of these round molecules in the material.

    After teaming up with physics professor James Kikkawa and Ph.D. student Annemarie Exarhos, who did photoluminescence experiments to look at the orientation of the molecules, and chemistry professor Joseph Subotnick, who helped with the simulations aimed at looking at the crystal structure and calculating the index of refraction of the crystal which allowed them to work out the math of the degree of birefringence or ordering in the amorphous state, the researchers confirmed their hunch that there was no orientation in the material.

    Despite measuring zero order in the glass, the scientists still saw an amount of birefringence analogous to having up to 30 percent of the molecules perfectly ordered. Through their experiments, they found that this is due to the layer-by-layer nature of the deposition that allows molecules to pack more tightly in the direction normal to the surface during the deposition. The denser the glass, the higher the value of birefringence. This process can be controlled by changing the substrate temperature that controls the degree of densification.

    “We were able to show that this is a unique kind of order that is emergent from the process,” Fakhraai said. “This is a new sort of packing that’s very unique because you don’t have any orientation, but you can still manipulate the molecular distances on average and still have a random but birefringent packing overall. And so this teaches us a lot about the process of how you can actually access these lower state phases but also provides a way of engineering optical properties without necessarily inducing an order or structure in the material.”

    Since the stressors are distributed differently in and out of plane, these glasses could have different mechanical properties, which may be useful in coatings and technology. It may be possible to manipulate the orientation of a glass or its layering to give it certain properties, such as anti-scratch coatings.

    “We expect that if we were to indent the glass surface with something,” Fakhraai said, “it would have different toughness versus indenting it on the side. This could change its fracture patterns or hardness or elastic properties. I think understanding how shape, orientation and packing could affect the mechanics of these coatings is one of the places where interesting applications could emerge.”

    According to Fakhraai, one of the most exciting pieces of this research is the fundamental aspect of now being able to show that there can be amorphous phases that are high density. She hopes she and other researchers can apply their understanding from studying these systems to what would happen in highly aged glass.

    “This tells us that we can actually make glasses that have packings that would be relevant to very well-aged glass,” Fakhraai said. “This opens up the possibility of better fundamentally understanding the process by which we can make stable glasses.”

    This research was funded by National Science Foundation grants DMR-11-20901, DMR-1206270, CHE-1152488 and DMREF-1628407.


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    Pulse: Project News for the Week of September 18, 2017 | 2017-09-13


    Planning

    Alabama Gateway Development Corp. is planning to build Sevilla Place Apartments, in Foley. The complex will include 120 units, a swimming pool, a dog park, a parking garage, and RV and boat storage spaces. Hudson Reed Group is the designer of the project, which is valued at between $15 million and $25 million. Reed Construction Co. LLC is the general contractor. Gateway Development Corp., 920 Florence Blvd., Florence, 35630. DR#17-00743040.

    Arizona The Block Sports is planning to develop Dreamland Villages Entertainment Resort, in Casa Grande. Projected to cost up to $1 billion, phase one includes an indoor extreme-sports facility, a 300-room resort hotel, an indoor water park, a wildlife animal exhibit and restaurants. It also includes a 420,000-sq-ft village marketplace, a convention center, a gated RV park, and other amenities around a 12-acre lake and canal system. The entire complex will occupy 1,500 acres and ultimately cost $4 billion. The Block Sports, Attn: Rudy Camp, Development Manager, 7075 Kingspointe Pkwy., Orlando, Fla. 32819. DR#17-00552476.

    Missouri Lodging Hospitality Management is planning to build the 700,000-gallon Union Station Aquarium at 1820 Market St. in St. Louis. Peckham Guyton Albers & Viets Inc. is the designer of the aquarium. The project is valued at $45 million. Lodging Hospitality Management, Attn: Stephen O’Loughlin, President and COO, 111 Westport Plaza, St. Louis, 63146. DR#16-00611903.

    Utah Gray Canyon Energy LLC is planning to construct and operate a natural-gas pipeline and railroad-track siding in Grand and Emery counties. The 10-in.-dia buried pipeline will transport dry natural gas to the Green River Oil Upgrade Facility from the existing Greentown Gas Processing Facility. The project is valued at between $10 million and $15 million. Gray Canyon Energy LLC, 160 W. Canyon Crest Rd., Alpine, 84004. DR#14-00729471.

    Wisconsin Developer Daniel Kane is planning to build the Charlotte’s Garden senior apartment complex on a 4.1-acre site at 3709 W. College Ave. in Franklin. The complex will include 56 residential apartments in two connected two-story buildings as well as a clubhouse and underground parking for 103 vehicles. The project is valued at between $10 million and $15 million. Contact owner’s agent, TDI Associates Inc. TDI Associates Inc., N8w22350 Johnson Dr., Waukesha, 53186. DR#16-00718093.

    Bids, Contracts, Proposals

    Connecticut The Connecticut Dept. of Transportation has selected Cianbro-Middlesex Joint Venture for the CP243 Interlocking and Danbury Branch Dockyard projects, in Norwalk. One component is the construction of a 2,200-ft-long, four-track interlocking on the New Haven Line, between East Norwalk and Westport. The Dockyard project includes two new track sidings, track replacement and realignment, signal work, and catenary-system enhancements, electrifying the branch line’s southern portion to allow commuter trains to turn or switch direction in Norwalk. The $237-million contract is the first that CTDOT has awarded under the construction manager-general contractor alternative contracting method. Cianbro-Middlesex Joint Venture, 400 E. Dudley Town Rd., Bloomfield, 06002. DR#14-00707850.

    New York The New York City Dept. of Design and Construction has awarded a $37-million contract to Triumph Construction Corp. for a trunk and distribution water-main replacement project, in Brooklyn. The project entails replacing trunk and distribution mains, sewers and appurtenances beneath Flatbush Avenue, between Sterling Place and Eighth Avenue in the Park Slope neighborhood. Triumph Construction Corp., 1354 Seneca Ave., Bronx, 10474. DR#17-00542699.

    Washington Pacific Civil & Infrastructure Inc. has started construction on a mill in Dayton. The mill will convert wheat straw and seed alfalfa straw into pulp, to be used in the manufacture of sustainable, tree-free paper and packaging products. SCJ Alliance designed the facility, which will consist of four single-story buildings, totaling 1.2 million sq ft. Located on a 449-acre site, it is expected to produce 149,000 tons per year of market pulp and 95,000 tons per year of carbohydrate-lignin co-products. Columbia Pulp is the project owner. Pacific Civil & Infrastructure Inc., 3450 S. 344th Way, Federal Way, 98001. DR#16-00496769.

    Bid, Proposal Dates

    Florida 9/27 The Charlotte County Board of Commissioners is seeking bidders to construct a Grand Master Lift Station and a 48-in.-dia gravity sewer system in the East Port Water Reclamation Facility, located near Midway Boulevard in Port Charlotte. Johnson Engineering is the designer of the project, which is valued at $19.6 million. Charlotte County Board of Commissioners, Attn: Cheri Alexander, Senior Contract Specialist, 18500 Murdock Circle, Port Charlotte, 33948. DR#14-00479464.

    Indiana 11/7 The Rush County Board of Commissioners is seeking bidders to construct the Rush County Sherriff’s Office and Jail, in Rushville. DLZ Indiana LLC designed the two-story, 55,000-sq-ft building. The project’s value has been estimated at $16.5 million. Rush County Board of Commissioners, 101 E. Second St., Rushville, 46173. DR#16-00685022.


    Much information for Pulse is derived from Dodge Data & Analytics, the premier project information source in the construction industry. For more information on a project that has a Dodge Report (DR) number or for general information on Dodge products and services, call 1-800-393-6343 or visit the website at www.dodgeleadcenter.com


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    Do not be deceived: God cannot be mocked. A man reaps what he sows.

    Innovation could mean flexible rechargeable batteries for pacemakers — ScienceDaily

    Heavy Construction Photos

    Experts at Queen’s University Belfast have designed a flexible and organic alternative to the rigid batteries that power up medical implants.

    Currently, devices such as pacemakers and defibrillators are fitted with rigid and metal based batteries, which can cause patient discomfort.

    Dr Geetha Srinivasan and a team of young researchers from Queen’s University Ionic Liquid Laboratories (QUILL) Research Centre, have now developed a flexible supercapacitor with a longer cycle life, which could power body sensors.

    The flexible device is made up of non-flammable electrolytes and organic composites, which are safe to the human body. It can also be easily decomposed without incurring the major costs associated with recycling or disposing off metal based batteries.

    The findings, which have been published in Energy Technology and Green Chemistry, show that the device could be manufactured using readily available natural feedstock, rather than sophisticated and expensive metals or semiconductors.

    Dr Srinivasan explains: “In modern society, we all increasingly depend on portable electronics such as smartphones and laptops in our everyday lives and this trend has spread to other important areas such as healthcare devices.

    “In medical devices such as pacemakers and defibrillators there are two implants, one which is fitted in the heart and another which holds the metal based, rigid batteries — this is implanted under the skin.

    “The implant under the skin is wired to the device and can cause patients discomfort as it is rubs against the skin. For this reason batteries need to be compatible to the human body and ideally we would like them to be flexible so that they can adapt to body shapes.”

    Dr Srinivasan adds: “At Queen’s University Belfast we have designed a flexible energy storage device, which consists of conducting polymer — biopolymer composites as durable electrodes and ionic liquids as safer electrolytes.

    “The device we have created has a longer life-cycle, is non-flammable, has no leakage issues and above all, it is more flexible for placing within the body.”

    While the findings show that there are many advantages in the medical world, the organic storage device could also provide solutions in wearable electronics and portable electronic devices, making these more flexible.

    Ms Marta Lorenzo, PhD researcher on the project at Queen’s University Belfast, commented: “Although this research could be a potential solution to a global problem, the actual supercapacitor assembly is a straightforward process.”

    Dr Srinivasan says: “There is also opportunity to fabricate task-specific supercapacitors. This means that their properties can be tuned and also manufactured using environmentally friendly methods, which is important if they are to be produced on a large scale, for example in powering portable personal electronic devices.”

    Story Source:

    Materials provided by Queen’s University Belfast. Note: Content may be edited for style and length.


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    Lawmakers Take Big Step Toward Bailing Out Rail Line :: Story ID: 36306 :: Construction Equipment Guide

    📅   Wed September 13, 2017 – West Edition #19

    The state House of Representatives passed a bill to raise $2.4 billion in taxes to bail out Honolulu's financially troubled rail transit project.

    The state House of Representatives passed a bill to raise $2.4 billion in taxes to bail out Honolulu’s financially troubled rail transit project.


    HONOLULU (AP) Hawaii lawmakers took a big step toward bailing out Honolulu’s financially troubled rail transit project, approving a funding plan critical to the project’s future.

    The state House of Representatives passed a bill to raise $2.4 billion in taxes for the commuter train planned for Honolulu and nearby suburbs on the last day of a special legislative session.

    The proposal previously passed the Senate and now heads to Gov. David Ige, who said he expects to sign it after a review.

    The $9.5 billion rail transit line, one of the most expensive per-capita in the nation, is less than half built and faces a shortfall up to $3 billion.

    Rail officials were up against a Sept. 15 deadline from the Federal Transit Administration to show they can pay for the project. Without that assurance, they risked losing $1.5 billion in federal money and possibility having to return about $800 million in federal funds already spent.

    Critics have said the project is too costly and doesn’t make sense on an island with high construction costs and a small population.

    But ardent supporters said it will encourage affordable housing and transit-oriented development while providing relief to commuters on the west side, where drivers can sit in traffic for hours and there’s only one route into urban Honolulu.

    “This will dramatically improve the quality of life for the people of West Oahu,” said Democratic Rep. Matt LoPresti, who represents parts of Ewa on the West side.

    The bill would extend a surcharge on the general excise tax — a surcharge now planned through the end of 2027 — for another three years, generating $1 billion for the project. The general excise tax, currently about 4.5 percent on Oahu, is essentially a business income tax that’s often passed on to customers.

    The bill also would raise the hotel tax — also called the transient accommodation tax — statewide by 1 percentage point to 10.25 percent for 13 years, through 2030.

    It also would increase the amount that counties receive from the tax from $93 million to $103 million.

    “To come out here and then to go back to the neighbor islands and ask them to pay for rail is going to be very, very difficult,” said Democratic Rep. James Tokioka, who represents Lihue and other parts of Kauai and voted against the proposal. “People on the neighbor islands think Honolulu takes too much from the pot.”

    His fellow representative from Kauai, Democratic Rep. Dee Morikawa, disagreed, saying Oahu residents help neighbor islands in many ways.

    “When an island needs help, we step up,” she said. “That is our job. That is what we’re elected to do.”

    The proposal also calls for more oversight of the rail project. It would require the state to conduct an audit, and money would be directed into a new state fund so the state comptroller could review expenses before doling out the money.

    Republican representatives introduced floor amendments to cap money going to rail, exclude neighbor islands from the hotel tax increase, require a forensic audit to look for irregularities — not just an audit — and require that 10 percent of rail funds come from public-private partnerships.

    “People are saying enough is enough,” said Republican Rep. Gene Ward, arguing for the funding cap.

    All four amendments failed to pass.

    Rep. Sylvia Luke said she understands the concerns of neighbor islanders, but an amendment limiting the hotel tax increase to Oahu and exempting neighbor islands would guarantee that not enough funds are provided for the rail line.


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