Energy & Green Tech

Inertia and the power grid: A guide without the spin

The power grid is evolving to include ever-higher levels of wind and solar generation—which do not provide inertia, historically a key source of grid reliability. Should system planners and operators panic? A new video ...

Engineering

Scientists finally confirm a 50-year-old theory in mechanics

An experiment by EPFL researchers has confirmed a theory that has been used in mechanics for over half a century—despite never having been fully validated. The team could now use the theory in bolder and more innovative ...

Engineering

Bionic jellyfish swim faster and more efficiently

Engineers at Caltech and Stanford University have developed a tiny prosthetic that enables jellyfish to swim faster and more efficiently than they normally do, without stressing the animals. The researchers behind the project ...

Robotics

Can sea star movement inspire better robots?

Have you ever seen a sea star move? To many of us, sea star seem motionless, like a rock on the ocean's floor, but in actuality, they have hundreds of tube feet attached to their underbelly. These feet stretch and contract ...

Security

Protecting our energy infrastructure from cyberattack

Almost every day, news headlines announce another security breach and the theft of credit card numbers and other personal information. While having one's credit card stolen can be annoying and unsettling, a far more significant, ...

Robotics

A friction reduction system for deformable robotic fingertips

Researchers at Kanazawa University have recently developed a friction reduction system based on a lubricating effect, which could have interesting soft robotics applications. Their system, presented in a paper published in ...

Engineering

Laser-powered-drones may beat endurance hurdles

Hmm. Drones that can be recharged by a laser. So how long could they fly before having to land? How about "never mind"? We can look forward to seeing this idea in action. New Scientist had a story on September 3 that the ...

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