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For you chemistry and physics types: does the lifting power of helium change according to how small of a space you put it in?
Asked by Nullo | 13 responses -
If the universe is in a state of expansion, why is the Milky Way supposedly going to collide with Andromeda?
Asked by Brian1946 | 11 responses -
Can anyone help me better comprehend Partial Differential Equations?
Asked by PrancingUrchin | 5 responses
