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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Using a laser and some boiling water,
you can show why planets do not appear to twinkle in the night sky.
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This demonstration shows the pressure height gradient in a fluid.
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When liquid nitrogen is poured in a container of soapy water,
a large amount of bubbles (and calamity!) are created.
Study Science @ SMU!
A podcast that reviews the
Voyager Golden Record!
