King Canute (or Cnut) wasn't trying to show his followers that he had power over the waves, lemmings do not commit mass suicide, ostriches don't bury their heads in the sand - and Luddites weren't against new technology (they just wanted jobs).
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
5 hours ago
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