Former NASA engineer Mark Rober created a liquid sand hot tub that is just as amazing as it sounds. He brought the fluidized bed to life by adding air in all of the right places at the base of his hot tub.
Former NASA engineer Mark Rober created a liquid sand hot tub that is just as amazing as it sounds. He brought the fluidized bed to life by adding air in all of the right places at the base of his hot tub.
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