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Category: transportation – Page 567

Reaction Engines Ltd. announces today the signing of a €10m Development Contract with the European Space Agency, finalizing the UK Government’s £60m commitment.

Reaction Engines Ltd., today announces the signing of a €10m European Space Agency (ESA) contract which will enable the development of a ground based demonstrator of SABRE, a new class of aerospace engine which is highly scalable with multiple potential applications in hypersonic travel and space access.

SABRE is at heart a rocket engine designed to power aircraft directly into space (single-stage to orbit) to allow reliable, responsive and cost effective space access, and in a different configuration to allow aircraft to cruise at high speeds (five times the speed of sound) within the atmosphere.

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3D printers can churn out toys, clothing and even food. But the technology also shows potential for use in industrial sabotage, researchers warn.

Imagine a car maker using 3D printers to manufacture components, only to have the parts contain defects that are undetectable until it’s too late.

A hacker with access to the 3D printers could make that happen, a team of researchers wrote in a recent paper. This could result in a “devastating impact” for users and lead to product recalls and lawsuits, said New York University professor Nikhil Gupta, the lead author of the paper.

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PARC is a Xerox company that has received funds from the Defense Advanced Research Projects Agency (DARPA) through its Inbound, Controlled, Air-Releasable, Unrecoverable Systems (ICARUS) program.

The ICARUS program aims at creating a prototype air vehicle that has the potential to deliver small payloads in an autonomous manner to targeted locations and then disappears after the task it completed. PARC in cooperation with AeroVironment Inc. plans to produce particular materials and the air delivery system that can be made to disappear through a project within ICARUS that is referred to as On-Target Delivery and Disintegration Upon Stress-release Trigger (ONLY-DUST).

The project focuses on producing complex structures that are majorly firm during flight and storage, and at the same time permits reliable on-demand transience. It is possible to potentially scale up the DoD applications of the demonstration system because of its association with AeroVironment Inc., a leading company in unmanned, small aerial vehicles.

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Great work by my friends at ORNL.

In a review paper published in ACS Nano, Olga Ovchinnikova and colleagues provide an overview of existing paths to 3D materials, but the ultimate goal is to create and customize material at the atomic scale. Material would be assembled atom by atom, much like children can use Legos to build a car or castle brick by brick. This concept, known as directed matter, could lead to virtually perfect materials and products because many limitations of conventional manufacturing techniques would be eliminated.

“Being able to assemble matter atom by atom in 3D will enable us to design materials that are stronger and lighter, more robust in extreme environments and provide economical solutions for energy, chemistry and informatics,” Ovchinnikova said.

Fundamentally, directed matter eliminates the need to remove unwanted material by lithography, etching or other traditional methods. These processes have served society well, researchers noted, but the next generation of materials and products require a new approach.

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Yale researchers have devised a method that brings marketable Li-O2 batteries closer to reality, improving both the batteries’ performance and the ability to study them.

In recent years, lithium-oxygen batteries have intrigued researchers with their potential. They can store at least two to three times the energy as lithium-ion batteries can, which are the current standard for consumer electronics, so laptops could theoretically run longer on a single charge and electric cars would drive farther.

But they’re not quite there yet. For now, Li-O2 batteries operate sluggishly and have short lives. Compounding matters, it’s hard to get a sense of how to fix that because figuring out the exact nature of their chemistry has proved tricky.

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There are three buckets.

There are three buckets of jobs right now, and each one will be affected by artificial intelligence. So says Clara Shih, CEO of Hearsay Social and a director with Starbucks, during a conversation on Tuesday at Fortune Brainstorm Tech in Colorado.

The first bucket, Shih says, are the jobs that almost certainly will disappear as AI and machine learning technologies continue to evolve and become more prevalent. This includes things like drivers (thanks to autonomous vehicles), lower-skilled manufacturing jobs (humans out, robots in), and certain research functions (paralegals, etc.).

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“Ten years ago the very idea that you could manage your life through a small glass screen, was considered almost impossible. Now few of us would want to be without one. Two years ago talk of intelligent ships was considered by many as a futuristic fantasy. Today, the prospect of a remote controlled ship in commercial use by the end of the decade is a reality.”

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