On the issue with massive deployment of intermittent renewable energy without proper storage solution
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Kdecherf's links
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sustainability x
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The lurking threat to solar power’s growth www.technologyreview.com/2021/07/14/1028461/solar-value-deflation-california-climate-change/Sat 07 Aug 2021
@techreview
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South Korean toilet turns excrement into power and digital currency www.reuters.com/world/asia-pacific/south-korean-toilet-turns-excrement-into-power-digital-currency-2021-07-09/Fri 30 Jul 2021
« An average person defecates about 500g a day, which can be converted to 50 litres of methane gas, the environmental engineer said. This gas can generate 0.5kWh of electricity »
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Extraire le lithium de l’eau de mer : la technique qui pourrait nous éviter des pénuries www.numerama.com/sciences/717280-extraire-le-lithium-de-leau-de-mer-la-technique-qui-pourrait-nous-eviter-des-penuries.htmlSun 27 Jun 2021
« Selon eux, le dispositif n’a besoin que de 5 dollars d’électricité pour extraire 1 kg de lithium d’eau de mer »
Cela pourrait être intéressant comme source alternative de lithium
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You can have your plate and eat it too, says Polish inventor phys.org/news/2019-06-plate-inventor.html
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Uber destroys thousands of bikes and scooters www.bbc.com/news/technology-52832791Fri 12 Jun 2020
« But given many significant issues - including maintenance, liability, safety concerns, and a lack of consumer-grade charging equipment - we decided the best approach was to responsibly recycle them »
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