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fred_dot_u
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42
Why do Crew Dragon astronauts need to climb up one level using the stairs before ingress?
Jun 8 '20
21
How does Ingenuity measure its altitude when flying?
Apr 19
15
Finned heatsinks in space
May 19 '20
14
Reaction Wheels vs. Momentum wheels
Feb 25 '18
10
In the absolute vacuum of Space, will an electric dynamo still work?
Mar 20 '18
9
Does Ingenuity rotate via differential rotor speeds or differential angles of attack?
Apr 23
7
Why does the LM footpad "flutter" when undocking from the Command Module?
Nov 29 '19
5
Supports in 3d printing
Apr 9 '19
5
Troubleshooting a DIY Ion Thruster
Mar 4 '18
4
How are old satellites removed from orbit?
Mar 5 '18
Top network posts
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59
Are toasters really electrified inside of the "slots"?
41
What is this welding tool I found in my attic?
37
Is this a tool? Or a nail?
32
How can I prevent the nuts in my shelving from coming loose?
29
How can I pump water from our 2nd floor down to 1st floor drainage?

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