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What happens to marshmallows in a vacuum chamber?

Vacuum chambers are devices that let you manipulate the amount of air inside them. This YouTuber puts 30 marshmallows inside a chamber and records how they react to the changes in pressure. Even if you know what’s supposed to happen, it’s really interesting to watch. Press play to see how air pressure affects these fluffy treats.

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Stop robocalls for good with Kim’s new eBook

Robocalls interrupt us constantly and scam Americans out of millions of dollars every year. Learn Kim's best tricks for stopping annoying robocalls in this handy guide.

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