A neat computer simulation of galactic formation.
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A "reactor" of mousetraps and golf balls provide
an intense demonstration of a runaway nuclear process!
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Here we explain how to set up and use a cloud chamber to see nuclear decay particles.
A not-all-together sane way of showing a class how retrograde motion works!
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Three ways to show how the space between objects - like galaxies -
is slowly increasing due to the universal expansion.
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