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ralfd
7 months ago
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28-ton, 1.2-megawatt tidal kite is now exporting p...
Sanity check with quick googling:
> Geological evidence ... indicate that 620 million years ago the day was 21 hours, says Mardling.
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> Geological evidence ... indicate that 620 million years ago the day was 21 hours, says Mardling.