If you’re concerned about your personal finances, or energy security or climate change, and you want to cut down on your use of fossil fuels, Sustainable Energy—Without the Hot Air explains which actions make a significant difference and which make very little.
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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