Woman walks snootily away from Man, who is holding out a bunch of flowers and saying, 'I bought you these solar-powered devices for carbon dioxide extraction.'
- cartoon in this week's New Scientist. Hat-tip: Grains of Sand.
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
1 hour ago
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