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nuclear energy

A slice through the largest 3D map of our universe to date

Space

Invisible 'dark radiation' may explain a big problem with dark energy

Surprising recent measurements hint that the universe isn’t expanding in the way we had thought, and it could be explained by still-theoretical dark radiation

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Physics

Fusion reactors could create ingredients for a nuclear weapon in weeks

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Environment

Renewables supply 30 per cent of global electricity for the first time

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View Los Angeles financial district skyline at night

Environment

The shift to LED lighting is stopping us from seeing our night skies

Comment

A worker inside the vacuum vessel of the DIII-D fusion reactor

Physics

Nuclear fusion experiment overcomes two key operating hurdles

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Environment

Wind turbines based on condor wings could capture more energy

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Earth

Geoscientists are using telecom 'dark fibres' to map Earth’s innards

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Annie Jacobsen: 'What if we had a nuclear war?’

Comment

Annie Jacobsen: 'What if we had a nuclear war?’

Culture

Read an extract from Nuclear War: A scenario by Annie Jacobsen

Comment

Read an extract from Nuclear War: A scenario by Annie Jacobsen

Culture

Space

There are hints that dark energy may be getting weaker

The standard model of cosmology says that the strength of dark energy should be constant, but tentative hints are emerging that it may have weakened recently

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Environment

Five climate megaprojects that might just save the world

Features

Environment

Storm-proofing 1% of power lines protects entire grid from blackouts

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Environment

Chemical injection brings dying batteries back to life

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Physics

UK spurns European invitation to join ITER nuclear fusion project

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