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Scientists have been chasing the dream of harnessing the reactions that power the Sun since the dawn of the atomic era. Interest, and investment, in the carbon-free energy source is heating up.
In the US, people charged with a crime usually need to post a large cash bond to be released before trial — a system used barely anywhere else in the world. This doesn’t enhance public safety and causes great hardship to defendants and families. There’s a better way, researchers say.
It started with thinking about sustainability. But after the many traumas of 2020, a lot of people are determined to make some fundamental changes in the machinery of governance.
Instead of asking consumers to remember what is and isn’t recyclable — and to sort items into the correct bins — why not just take the rubbish and sort it centrally?
Keeping on top of manipulated videos and images is no easy feat. Scientists trace the roots of their proliferation, dig up new techniques to counter digital forgeries and warn of the growing dangers ahead.
From rocket thrusters to shoe soles, additive technologies expand their sights
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