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Engineering

Hypersonic projectiles turn ultra-hard diamond composite into shock-absorbing graphite

"Diamonds are forever." Or so the saying goes. Texas A&M University College of Engineering and Rice University researchers put that claim to the ultimate test. They forged a diamond composite, then marched it directly into ...

Software

Robot hand learns nimble moves with fewer dropped objects

Manipulating an object with one hand is a balancing act. Fingers must release and renew their grip while keeping the object from slipping away, even with the palm facing downward.

Robotics

New flexible drone can withstand collisions without sacrificing speed or agility

For more than a hundred years, quadcopters have been built according to the same basic principle. Four arms, each with a propeller, extend from a rigid central body. This design is ideal for precise, agile flight, but it ...

Computer Sciences

Biocomputer can explore multiple solutions at once as bacteria multiply in tiny, interconnected channels

A McGill-led research team has developed a bacteria-based biocomputer that can solve large, complex problems using a small fraction of the memory and resources required by standard ("solid-state") computers. Possible applications ...

Technology news

Security

Devilray exposes blind spots in fake cell tower detection

Governments use them to track phones. Criminals drive them through city streets and send texts that look like they came from your bank. For 20 years, researchers have been building tools to catch these fake cell towers. They ...

Security

Your social media posts could fuel the next AI scam

Picture this: You post photos online from a trip to Brazil. The next day, an email arrives from the hotel where you stayed, thanking you for your visit and offering a special discount on your next stay. The email references ...

Engineering

Exploring sodium batteries down to the atom

Understanding how battery components work at the molecular or atomic levels can help scientists create faster-charging, more powerful, longer-lived storage devices. But the electron microscopes powerful enough to give this ...

Energy & Green Tech

Redesigning batteries for ultrafast-charging EVs

It's hard to ignore the difference: You can fill a car's tank with gas in mere minutes. Charging the battery of an electric vehicle (EV) can take 30 minutes or more.

Internet

Tracing the online networks behind AI-generated nude images

As Domestic Violence Awareness Month comes to a close this week, one University of Florida researcher is examining the roots of nudification apps, online platforms that use AI to turn images of clothed people—easily and convincingly—into ...