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user1833028
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15 answers
154 votes
39k views
103 bookmarks
What is a field, really?
8 answers
92 votes
9k views
38 bookmarks
Does juggling balls reduce the total weight of the juggler and balls?
4 answers
49 votes
6k views
12 bookmarks
Being in a solid state, why is ice slippery?
5 answers
31 votes
11k views
10 bookmarks
Artificial gravity on rotating spaceship?
4 answers
30 votes
41k views
10 bookmarks
Why is the pressure inside a soap bubble higher than outside?
2 answers
18 votes
7k views
5 bookmarks
How is the number of electrons in an atom found?
3 answers
17 votes
2k views
6 bookmarks
Is it really possible to "discover" the speed of light with a microwave oven?
6 answers
15 votes
3k views
2 bookmarks
Are there forces which do not involve a change in momentum?
4 answers
13 votes
9k views
3 bookmarks
Is it possible to create matter?
4 answers
10 votes
1k views
6 bookmarks
What is the origin of spin of celestial objects?
5 answers
8 votes
32k views
3 bookmarks
Number of blades in a helicopter rotor
2 answers
6 votes
2k views
3 bookmarks
Can thick-film reflection holograms be used to create true mirrors?
4 answers
4 votes
838 views
4 bookmarks
The Achilles Paradox
2 answers
2 votes
5k views
3 bookmarks
Semi-major axis and ellipticity of a binary system?
3 answers
2 votes
2k views
6 bookmarks
Quantum mechanics in a metric space rather than in a vector space, possible?
0 answers
0 votes
104 views
1 bookmarks
Geometric Interpretation of these equations of motion?
2 answers
0 votes
248 views
2 bookmarks
How is it possible that consciousness-causes-collapse interpretations of QM are not falsified by the Quantum Zeno effect?