Electronics & Semiconductors

A solar cell you can bend and soak in water

Researchers from the RIKEN Center for Emergent Matter Science and collaborators have developed an organic photovoltaic film that is both waterproof and flexible, allowing a solar cell to be put onto clothes and still function ...

Consumer & Gadgets

Children may overestimate smart speakers' abilities

Children overrate the intelligence of smart speakers—such as Alexa, Siri, or Google Home—and are uncertain if the systems can think like humans or not, research suggests.

Engineering

Liquid metal may point way to wearable ultrasound devices

The best-known byproduct of ultrasound—so named because its frequencies exceed the range of the human ear—is, in fact, not audio but visual: 2D imagery, often of a fetus maturing in the womb. But ultrasound has also found ...

Energy & Green Tech

Researchers develop bendable energy storage materials

Imagine being able to wear your smartphone on your wrist, not as a watch, but literally as a flexible band that surrounds around your arm. How about clothes that charge your gadgets just by wearing them?

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