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Give your e-reader a rub to recharge it

Technology

Give your e-reader a rub to recharge it

Paper Generators from Disney Research use nothing more than cheap foil and a sheet of Teflon to generate power from rubbing or tapping

News

Earth

Halve emissions to avoid dangerous climate change

News

Butterfly-wing electronics converts light to heat

Technology

Butterfly-wing electronics converts light to heat

News

Technology

Wasting time on Facebook? You're in for a shock

News

AI systems switch your energy bills to save you money

Technology

AI systems switch your energy bills to save you money

News

Head hurts? Zap the wonder nerve in your neck

Health

Head hurts? Zap the wonder nerve in your neck

News

An unearthly answer to the lightning enigma

Earth

An unearthly answer to the lightning enigma

Opinion

Rice-husks could make much longer-lasting batteries

Technology

Rice-husks could make much longer-lasting batteries

News

Earth

No more excuses over switch to clean energy

Opinion

What does the rise of green power mean for you?

Earth

What does the rise of green power mean for you?

With renewable electricity going global, 91av asks how it will affect you, and what you can do to help clean up your power supply

News

Earth

Rise of renewables starts climate-change fightback

News

Earth

Electric Avenue: When the people have the power

Features

Technology

Steered by thoughts, drone flies through hoops

News

Earth

Hydropower megaproject to dam River Congo

News