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Environment

Solar-powered floating islands could help to regrow coral reefs

A trio of hexagonal islands could generate solar electricity to power a process that accelerates coral growth, with space for a research lab and a garden

News

Three Mile Island Nuclear Generating Station

Environment

Tech firms claim nuclear will solve AI's power needs – they're wrong

Analysis

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

News

Mathematics

500-year-old maths problem turns out to apply to coffee and clocks

News

annie jacobsen

Video

Annie Jacobsen: Everything I learned about nuclear war shocked me

Video

Physics

Fusion reactors could create ingredients for a nuclear weapon in weeks

News

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

Physics

Nuclear fusion experiment overcomes two key operating hurdles

News

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

Wireless power from space

Environment

Five climate megaprojects that might just save the world

From solar power stations in space to stabilising melting glaciers, some researchers are proposing extremely ambitious and risky projects to fight climate change. Could they work?

Features

Video

Future of fusion: How the UK's JET reactor paved the way for ITER

Video

Physics

UK spurns European invitation to join ITER nuclear fusion project

News

Physics

How do you recycle a nuclear fusion reactor? We're about to find out

News

Space

Russia’s space weapon: Is it nuclear and does it pose a threat?

News