Electronics & Semiconductors

'Energy sandwich' could power next-generation solar and lighting

Researchers have achieved a new level of control over the atomic structure of a family of materials known as halide perovskites, creating a finely tuned "energy sandwich" that could transform how solar cells, LEDs and lasers ...

Consumer & Gadgets

'Western tech dominance fading' at Lisbon's Web Summit

Global tech leaders will pack Lisbon's annual Web Summit from Tuesday to talk Artificial Intelligence, robots and startups—all under the shadow of tensions over cutting-edge tech and the natural resources needed to build ...

Consumer & Gadgets

Sweat-powered sticker turns your drinking cup into a health sensor

A team of engineers at the University of California San Diego has developed an electronic sticker that can monitor a person's vitamin C levels using the sweat from their fingertips—no blood draws, lab visits or batteries ...

Business

Global tech tensions overshadow Web Summit's AI and robots

Flashy AI, robotics and self-driving cars will be on show at the annual Web Summit in Lisbon from Monday, but global tensions over high-tech trade, competition and sovereignty will be weighing on the minds of entrepreneurs, ...

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