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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 ...

Energy & Green Tech

New coating approach aligns molecules upright to boost organic solar cell efficiency

Solar cells, devices that can convert sunlight into electricity, are now widely used in many countries worldwide. While most cells on the market today are primarily made of silicon, energy engineers have been exploring the ...

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 ...

Robotics

Robot moth grows a UV sensor by using an artificial circulatory system

A moth-shaped robot used an artificial circulatory system to deliver chemical building blocks through its body and grow a light sensor where UV light struck.

Technology news

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 ...

Computer Sciences

Improving AI-generated images, pixel by pixel

If you have ever used an artificial intelligence text-to-image generator like ChatGPT or Google Gemini, you may have encountered a common but maddening problem: The image looks nearly perfect, but when you ask the AI to fix ...

Electronics & Semiconductors

Titanium boosts thermoelectric performance of thin films by 250-fold

Every electronic device, factory and vehicle generates heat that often goes to waste. What if that energy could be recovered to generate electricity using thin films manufactured without high-temperature processing? Researchers ...

Consumer & Gadgets

Simple math formula predicts when AI chatbots will go rogue

Most of us now carry in our pockets devices capable of running small AI chatbots. These chatbots have little safety oversight to ensure they don't provide information and answers with the potential to encourage self-harm, ...

Consumer & Gadgets

Can your employer demand proof that you've slept well?

Fatigue can be just as dangerous as drunken driving. That is why both researchers and companies are increasingly investing in technologies that can monitor and improve our sleep. But what happens if sleep is no longer regarded ...

Engineering

Heat-storing gel could cut buildings' energy consumption

Heating and cooling buildings account for a large portion of global energy use. A research team in the Texas A&M University Department of Materials Science and Engineering was featured on the cover of ACS Applied Materials ...

Engineering

How to head into VR without wearing a headset

A person wearing bulky goggles, turning awkwardly in circles and reaching out to grab something that isn't there—that is the image many of us have of virtual reality, and one that researchers at Kyushu University want to ...