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Physics

Paper microphone may help charge your cellphone

A new way to harvest acoustic energy turns sound waves into electric charge, all with a postage-stamp-sized piece of paper

Technology

Human cruise control app steers people on their way

Life

Bacteria power up by using magnets as batteries

Technology

Drones cleared to check power lines after outages

Europe’s electricity grid sails through solar eclipse

Earth

Coal bust may be behind stall in carbon emissions

Renewable energy poised to overtake nuclear in the UK

Physics

Reliving five eureka moments lost in history

Technology

Chemical weapons sniffed quickly by zappy detector

Earth

Seven megaprojects that would change the world

We've built canals between oceans and tunnels under the sea. But some engineers are thinking bigger. Much, much bigger

Environment

Eels use electricity to remote control prey movements

Physics

Hypnotising patterns created in electric soap films

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Smartwatch detects skin’s electricity to predict seizures

Technology

I want to build solar cells thinner than a human hair