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Technology

Despite decades of hype, there is now real hope of progress in fusion

It may have a history of over-optimistic predictions, but research into generating power using a fusion reactor is finally making notable advances

Leader

Artists concept view of the interior of the ITER reaction vessel. Nuclear fusion involves creating a plasma of superheated gas to temperatures of more than 200 million degrees C, conditions hot enough to force deuterium and tritium atoms to fuse together and release energy. Fusion takes place inside a 'Tokamak' torus within a giant magnetic field, the only way to contain the heat generated. The ITER reactor is designed to produce 500 MW, 10 times more energy than it consumes. Nuclear fusion is the joining (fusing) of light elements to form heavier elements, which releases large amounts of energy. It is hoped that fusion will be a clean, renewable energy source for the future. Nuclear fusion is the joining (fusing) of light elements to form heavier elements, which releases large amounts of energy. It is hoped that fusion will be a clean, renewable energy source for the future.

Physics

Can a slew of nuclear fusion start-ups deliver unlimited clean energy?

Features

Berlin monument

Environment

Can Europe cut its electricity consumption enough to avoid blackouts?

Insight

Car buried under rubble

Environment

Extreme weather threat to energy security is as serious as Ukraine war

News

Carlo Rovelli at Cornilia Parker exhibition

Physics

Carlo Rovelli on the bizarre world of relational quantum mechanics

Features

Family sits around a table by candlelight

Environment

Can Britain avoid winter blackouts amid the European energy crisis?

Analysis

Oliver Stone interviews Dr. Ashley Finan, Director of the National Reactor Innovation Center, at the Idaho National Laboratory in Idaho Falls, USA.

Environment

Nuclear Now review: Oliver Stone's paean to a nuclear future

Culture

A grid of houses

Technology

AI can tell which buildings are energy efficient from the outside

News

Gas power plant

Environment

How will Germany navigate its gas shortage nightmare this winter?

Analysis

Clock in the starry cosmic sky. Leaving time. Time and space. Time concept. Abstraction.; Shutterstock ID 1962091081; purchase_order: -; job: -; client: -; other: -

Space

The cosmos doesn't work to my research schedule – but that's OK

I work on the dark matter problem knowing the questions I have may be answered long after I die. This is the life I signed up for: to think about interesting ideas and hopefully find out whether any of them are correct, says Chanda Prescod-Weinstein

Comment

Environment

Could Labour's Great British Energy firm spark a green revolution?

Analysis

Space

Earth’s surface may be teeming with trillions of dark matter particles

News

Humans

Russia's Nord Stream gas pipelines to Europe suffer mysterious leaks

News

Environment

Decarbonising the shipping industry will cost more than $1 trillion

News