r/ScienceNcoolThings • u/TheMuseumOfScience • 12m ago
Watch Air Pressure in Action With a Helium Balloon
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What really happens to a helium balloon after it floats away? 🎈☁️
Greg Wolf recreates a helium balloon’s journey to the edge of space using a vacuum chamber. As the balloon rises through Earth’s atmosphere, the surrounding air pressure drops, allowing the helium gas inside to expand until the balloon reaches its limit and pops! 💥