Concluding that the nonprofit group Greenpeace initiated defamation, trespassing and other illegal actions by protestors opposed to the Dakota Access Pipeline, a North Dakota jury has awarded more than $660 million in damages to Energy Transfer…
Category: Engineering
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Engineer develops new security protocol to protect miniaturized wireless medical implants from cyberthreats
A brain implant designed to help control seizures is hijacked. A pacemaker receives fake signals, disrupting its rhythm. A hacker infiltrates an insulin pump, delivering a fatal overdose. While these scenarios sound like scenes from a sci-fi…
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Recycled cements drive down emissions without slacking on strength
Giving a second life to construction materials after demolition, engineers at the University of São Paulo and Princeton have developed an approach for recycling cement waste into a sustainable, low-carbon alternative that is comparable in…
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Massive Airport Concourse Expansion in Atlanta Passes Halfway Mark
The $1.4-billion modernization of a concourse at the world’s busiest passenger airport reached the halfway point last month, with the tenth of 19 planned modules moved into place at Hartsfield-Jackson Atlanta International Airport (ATL). Over…
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Chicago Requests Contractors Cut Cost of Signed Deals by 3%
Chicago is asking all of its contractors, including primes on construction projects, to cut 3% off the cost of signed contracts and invoices for the work sent to the city over the next 12 months.
The letter, which was emailed to contractors the…
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Squirrel-inspired leaping robot can stick a landing on a branch
Engineers have designed robots that crawl, swim, fly and even slither like a snake, but no robot can hold a candle to a squirrel, which can parkour through a thicket of branches, leap across perilous gaps and execute pinpoint landings on the…
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Worm-like robot with integrated modular power | Science Robotics
An untethered crawling robot is self-powered by embedding a deformable battery cell within each actuation module.
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Monopedal robot branch-to-branch leaping and landing inspired by squirrel balance control | Science Robotics
Adding radial force control more than doubles the range of balanceable landing conditions on narrow branches.
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Bridging hard and soft: Mechanical metamaterials enable rigid torque transmission in soft robots | Science Robotics
A soft robot arm can bend, extend, and exert continuous torques based on a mechanical metamaterial.
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Miniature deep-sea morphable robot with multimodal locomotion | Science Robotics
A miniature robot capable of executing swimming, gliding, morphing, and crawling in deep-sea environments is presented.
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