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Thermal-trapping device reaching 1050 degrees Celsius CREDIT Device/Casati et al. USAGE RESTRICTIONS Credit must be given to the creator. Adaptations must be shared under the same terms.

Physics

Sunlight-trapping device can generate temperatures over 1000°C

A solar energy absorber that uses quartz to trap heat reached 1050°C in tests and could offer a way to decarbonise the production of steel and cement

News

EKXM2R Groundwater well and standpipe for crop irrigation. Porterville, Tulare County, San Joaquin Valley, California, USA

Environment

Around half the world could lose easily accessible groundwater by 2050

News

We are about to hear echoes in the fabric of space for the first time

Space

We are about to hear echoes in the fabric of space for the first time

Features

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

Space

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

News

Environment

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

News

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

News

Environment

Wind turbines based on condor wings could capture more energy

News

Earth

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

News

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

News

Environment

Five climate megaprojects that might just save the world

Features

Environment

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

News

Environment

Chemical injection brings dying batteries back to life

News

Environment

Battery breakthrough lets electric cars run longer in extreme cold

News