RT @MarkRober: I made a fluidized sand bed in a hot tub and tested the principles of buoyancy WITH my nephews. NEW VIDEO- https://t.co/Z1nV… 0 atbildes
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Miks Latvis (2017-11-30 08:05:52) |
RT @MarkRober: I made a fluidized sand bed in a hot tub and tested the principles of buoyancy WITH my nephews. NEW VIDEO- https://t.co/Z1nV… | |