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electricity

Can batteries transport us to a greener future?

Video

Can batteries transport us to a greener future?

Smart battery technology and could soon banish dirty vehicles from our roads, seas and skies, argues engineer David Greenwood.

Video

If Finland struggles to recycle, what hope the rest of the world?

Environment

If Finland struggles to recycle, what hope the rest of the world?

Leader

toilet

Health

Zapping your guts with electricity can help relieve constipation

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Night fishing with light-up lures that can be seen from space

Earth

Night fishing with light-up lures that can be seen from space

Regulars

Lightning strike

Health

Lightning hit a woman's home and switched off her brain implant

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Poking tiny dents into solar panels makes them work better

Physics

Poking tiny dents into solar panels makes them work better

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house roof

Technology

Elon Musk wants to turn our homes into one big power plant

Insight

The new superconductor

Physics

A twist in graphene lets you switch superconductivity on and off

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Cars that run on supercapacitors could be charged in minutes

Physics

Cars that run on supercapacitors could be charged in minutes

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Electric eel-inspired batteries could power life-long pacemakers

Technology

Electric eel-inspired batteries could power life-long pacemakers

A new battery made of fleshy hydrogel layers generates and stores power like electric eels do. It could power pacemakers without ever needing to be replaced

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Earth

Renewables now generate more electricity than coal in Europe

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Technology

People without electricity could end up living the energy dream

Insight

Technology

Charge your phone using ambient light and printed solar cells

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Health

Brain-zap therapy may throw people with depression into a rage

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