How gravity causes a perfectly spherical ball to roll down an inclined plane is part of the elementary school physics canon. But the world is messier than a textbook. Scientists in the Harvard John A.
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When boiling water appears to freeze mid-air
I showcase the physics trick where boiling water appears to freeze mid-air. Trump wanted airport, station named after him in return for funding: report Four things to know about the "Melania" film ...
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