Top Network Posts
- 26Why is gravity so hard to unify with the other 3 fundamental forces?
- 22How can a logic puzzle be defined?
- 21Why does water pouring from a glass sometimes travel down the side of the glass?
- 13Why does wavelength change as light enters a different medium?
- 10How do scientists calculate the percentage of dark energy in the universe?
- 9Why would a particle in an extra dimension appear not as one particle, but a set of particles?
- 9How can the nucleus of an atom be in an excited state?
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