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How strong is Oobleck? - JJtheTutor
Backyard Scientists T-Shirts! https://outloudmerch.com/collections/backyard-scientist Check out my collaboration with Mark Rober here : https://www.youtube.com/watch?v=W4DnuQOtA8E Thanks to Aimed-Research.com for the high speed camera rental! Dont forget about my facebook page https://www.facebook.com/TheBackyardScientistofficial