Post Awsk015FwxgiXu196G by wonderofscience@mastodon.social
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 (DIR) Post #Awsk015FwxgiXu196G by wonderofscience@mastodon.social
       2025-08-05T23:26:27Z
       
       0 likes, 1 repeats
       
       When a helicopter's rotors synchronize with the camera frame rate.Credit: Like tears in rain/CC-BY-SA-4.0