penneyd

894 karmajoined September 19, 2019On HN

Recent submissions

Chinese satellite achieves 5x Starlink speed with 2-watt laser from 36km orbit ibtimes.co.uk
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Mysterious symbols in cave paintings may be earliest form of writing livescience.com
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Spreading rock dust on farms as a climate solution anthropocenemagazine.org
223penneyd4y133 comments

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