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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 ...

Internet

How to prepare your online life for your death

What happens to all of your online accounts—credit cards, merchants, news subscriptions, social media, streaming services—after you die? How will your heirs know how to access these accounts or understand what you want done ...

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 ...

Engineering

Heated mirror reveals hidden 3D patterns in rising air near a wall

Heat transfer from a heated surface depends partly on the thin layer of air that warms and rises beside it. As this natural convection boundary layer develops, its flow can change from orderly patterns to turbulence, influencing ...

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 ...

Engineering

'PIX' process refines alloys for fusion and aerospace applications

University of Birmingham scientists have discovered a new materials and processing approach that could help engineers develop stronger, more reliable materials for two different technologies: future fusion reactors and next-generation ...

Robotics

New benchmark tests AI memory for household robots

In-home assistive robots could clean and organize a home while the owner is away, but without enhanced memory capabilities, they could cause more problems than they solve. They could, for example, cause a major inconvenience ...

Engineering

Far-UVC LEDs transmit data at record speed

Researchers at Ferdinand-Braun-Institut (FBH) in Berlin and collaborating institutions have transmitted data at up to 1.5 gigabits per second using novel far-UVC LEDs. The devices, developed at FBH, set a record for wireless ...

Computer Sciences

The tests that grade AI may be getting it wrong

Before a new AI model reaches the public, its developers run it through a battery of tests known as "benchmarks," which score it on everything from reasoning ability to how safe it is for people to use. Billions of investment ...