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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.
Modern industry has made great strides in turning trash into tomorrow’s new products, but the process is still a long way from perfect. New technologies can help. Plus, updates on chemical recycling, design for recycling and dirty recycling.
For thousands of years, humanity has had a love affair with cement and concrete. But now, industry groups and researchers are seeking solutions to the huge amounts of carbon dioxide that cement-making generates.
Returning to designs abandoned in the 1970s, start-ups are developing a new kind of reactor that promises to be much safer and cleaner than current ones.
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.
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?
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.
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.
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