Top network posts

• 139 In the twin paradox does the returning twin also come back permanently length contracted flatter than the twin on Earth?
• 78 How can an object absorb so many wavelengths, if their energies must match an energy level transition of an electron?
• 52 Is the weight of the aircraft flying in the sky transferred to the ground?
• 51 Why does work depend on distance?
• 51 If space and time are parts of the same unified idea, then why is the definition of force biased towards time?
• 47 What will happen to a ball kept on a frictionless inclined plane?
• 43 If a neutron decays to proton + electron, and a proton can decay into neutron + positron, doesn't this mean neutron = neutron + electron + positron?
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