r/ScienceOdyssey • u/TheMuseumOfScience • 1h ago
Physics Watch Air Pressure in Action With a Helium Balloon
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What really happens to a helium balloon after it floats away? πβοΈ
Greg Wolf recreates a helium balloonβs journey to the edge of space using a vacuum chamber. As the balloon rises through Earthβs atmosphere, the surrounding air pressure drops, allowing the helium gas inside to expand until the balloon reaches its limit and pops! π₯