Mark Rober

Name: Turning Sand Into Liquid, Former NASA Engineer Freaks Everyone Out.
Uploaded: 2017-12-02T09:27:35+05:30
Channel: Deepak Mehla
Description: 25 failed attempts for Rober to get it right. He succeeded in making a solid/fluid mixture behave as a liquid. After painstaking efforts, he managed to fluidized the sand in his hot tub.