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Environment

This state’s power prices are plummeting as it nears 100% renewables

South Australia is proving to the world that relying largely on wind and solar energy with battery back-up is incredibly cheap, with electricity prices tumbling by 30 per cent in a year and sometimes going negative

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Environment

Old EV batteries could meet most of China's energy storage needs

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Illustration of Dark Energy

Video

Does dark energy stem from a thermodynamic theory of space-time?

Video

Physics

Chernobyl cooling systems have lost power but meltdown risk is low

News

The electrification of everything: Best ideas of the century

Technology

The electrification of everything: Best ideas of the century

Features

Space

The first quantum fluctuations set into motion a huge cosmic mystery

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Technology

US to fire up small reactors in 2026 as part of 'nuclear renaissance'

News

Low on energy? A new understanding of rest could help revitalise you

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Low on energy? A new understanding of rest could help revitalise you

Features

Environment

How green hydrogen could power industries from steel-making to farming

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Space

Is the expansion of the universe slowing down?

It is widely accepted that the universe is expanding at an accelerating rate, but now researchers say our measurements of the mysterious force driving that may be wrong and that the universe began to slow 1.5 billion years ago – yet other scientists disagree

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Physics

The US is unlikely to test nuclear weapons, despite what Trump says

Analysis

Environment

Solar energy is going to power the world much sooner than you think

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Technology

There's a simple way we could drastically cut AI energy use

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Environment

Top 250 oil and gas firms own just 1.5% of the world's renewable power

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