Perfect!!! What happens if you combine liquid nitrogen with 1500 ping pong balls?

If you already had thousands of reasons to love science, you now have one more. Not to mention one more reason to think there are (or were) moments when university was really fun.

Watch the video of Dr Roy Lowry from Plymouth university, explaining the explosive properties of liquid nitrogen to his students, and also explaining the reason why they should not close the bottle where they poured this liquid. And then... 03:45 in, watch the way by which he confirmed everything he explained a few minutes earlier.

Note: don’t try this at home. But if you consider trying it in a school or university, let us know so we can come and see it up close!

Source : Gizmodo

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