BrainStuff
Whether the topic is popcorn or particle physics, you can count on BrainStuff to explore -- and explain -- the everyday science in the world around us.
December 13, 2013 • 3 min
Liquid motion lamps -- or lava lamps -- use heat to create slight differences in the density of two liquids. Learn more about lava lamps and density in this Brainstuff podcast.
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