Shrinking crisp packets that give off sparks in a microwave!

Welcome back for the 2nd series of UMKP, where we're gonna be making all our videos in advance! The good thing about this is that you can see "Next time..." trailers at the end of every new video, giving a sneak peak of next week's episode.

HOW IT WORKS:
The crisp packet is made up of a thin sheet of aluminium, coated in plastic. The aluminium conducts the microwaves, and gives the polymers in the plastic the energy to buckle and shrivel up, causing the whole thing to shrink. When the chains do buckle, it breaks the sheet of aluminium, and thus flow of electricity, causing it to leap through the gap, and creating the sparks :D

Category:

Science & Technology

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