When Robert Redford first spoke out in the 1970s against the interests of the energy companies he was dismissed by the right as only an actor. 'That had a lot of weight,' he says, 'until Reagan was elected.'
Swarm of nanorobots can remove tiny plastic fragments from water
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In just 2 hours, small metal robots can capture most nanoscopic plastic
particles from a sample of water
8 hours ago
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