Comments by "Stephen Rickstrew" (@stephenrickstrew7237) on "What the Crookes Radiometer can teach us" video.

  1. I remember these from the 70’s the mall had these next to the plastic snakes, whoopee cushions and the fake vomit .... Is there any scientific value in those gag items ... beyond hilarity ...? Even scientists need a laugh every now and then ...!
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