Top network posts
- 81 This image of the Space Shuttle is truly beautiful, but is it real?
- 69 Why are protons heavier than electrons?
- 43 What is the evidence for a supermassive black hole at the center of Milky Way?
- 28 How does Ehrenfest's theorem apply to the quantum harmonic oscillator?
- 24 How much longer would New Horizons take to reach Pluto without the Jupiter slingshot?
- 20 What damage did anti-tank rifles hope to inflict on tanks in WW2?
- 19 Where did Heinlein say "Once you get to Earth orbit, you're halfway to anywhere in the Solar System"?
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