Top network posts

• 49 How do I fit a sine curve to my data with pylab and numpy?
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• 19 If atoms never "physically" touch each other, then how does matter-antimatter annihilation happen?
• 19 Double Slit Experiment: How do scientists ensure that there's only one photon?
• 17 Why does holding something up cost energy while no work is being done?
• 15 How do we know photons have spin 1?
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