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Re:LightSail 2 Spacecraft Successfully Demonstrates Flight b... by umvi on Wednesday July 31, 2019 @06:20PM (#20579164)
That's what I'm talking about. A handheld fan[1] is on the pinewood derby car, same as the sail. I built one before so I know it works.

[1] https://www.amazon.com/Aluan-Handheld-Portable-Adjustable-Re...

Re:LightSail 2 Spacecraft Successfully Demonstrates Flight b... by omarhaneef on Wednesday July 31, 2019 @06:23PM (#20579188)
Okay, I am not more sure you are kidding but to be fair to me, I had no context for your joking ways before.