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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.

Business

Future-proof security system protects Bitcoin Lightning Network from quantum attacks

Nearly all personal information is stored electronically in our digital age. This sensitive data is protected by digital keys unique to each device that would take today's computers billions of years to crack through brute-force ...

Energy & Green Tech

Robot platform combines AI and rapid imaging to improve perovskite solar cell fabrication

Solar cells generate electricity by absorbing sunlight in a thin layer of perovskite, a light-absorbing material. This layer is made with a liquid solution that dries and crystallizes into a solid film, but small changes ...

Engineering

Infrared-transparent aerogel boosts performance of subambient daytime radiative cooling materials by up to 5.2°C

As global warming continues, people tend to switch on fans or air conditioners during hot weather. But the more we use electrical appliances, the more energy we consume and carbon dioxide we produce. With continuous breakthroughs ...

Technology news

Engineering

Mystery of 60-second fluctuations in power grids solved

TenneT Germany, the largest transmission system operator in Germany, has observed over several years that the frequency in the European power grid dips briefly every 60 seconds. While these deviations were not critical to ...

Internet

Thousands of deceptive ads evade Google's safeguards

Thousands of deceptive advertisements have slipped through Google's advertising safeguards, exposing internet users to fake virus warnings, misleading software promises and potentially dangerous downloads, according to new ...

Robotics

Roboticist says safety should be top concern with humanoid robots

A quick search of humanoid robot videos will deliver demonstrations of two-legged robots playing soccer, dancing, jumping several feet in the air, even competing in kickboxing matches. It is all dazzling, certainly. But roboticist ...

Energy & Green Tech

A wallpaper that generates power from moisture in the air

More than 6 million U.S. homes have solar panels on their roofs—but what if you could generate power inside your house, too? Researchers at Binghamton University have developed a new type of wallpaper that turns moisture ...

Consumer & Gadgets

Misleading AI-generated summaries can distort human memory

AI-generated summaries are becoming increasingly prevalent—from news article previews to workplace meeting transcriptions to high-stakes settings like police body camera footage—despite studies showing that AI can generate ...