Energy & Green Tech

Harvesting energy from the human knee

Imagine powering your devices by walking. With technology recently developed by a group of researchers at the Chinese University of Hong Kong, that possibility might not be far out of reach.

Energy & Green Tech

Artificial 'power plants' harness energy from wind and rain

Fake plants are moving into the 21st century. Researchers developed literal "power plants"—tiny, leaf-shaped generators that create electricity from a blowing breeze or falling raindrops—and described them in ACS Sustainable ...

Electronics & Semiconductors

Development of a self-resonant smart energy harvester

The Internet of Things (IoT) is a network based on wireless sensor nodes that provide resources and information. For the long-lasting use of IoT devices, their batteries must be replaced, or a number of power line connections ...

Energy & Green Tech

Generating electricity with tomato waste

A team of scientists is exploring an unusual source of electricity—damaged tomatoes that are unsuitable for sale at the grocery store. Their pilot project involves a biological-based fuel cell that uses tomato waste left ...

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