Backyard Scientist and Mark Rober Experiment With a Pool Filled With 25 Million Orbeez Water Balls

The Backyard Scientist and Mark Rober teamed up to fill a swimming pool with 25 million Orbeez water balls to perform a variety of science experiments using molten aluminum, fireworks, and Rober's nephews. The Backyard Scientist video covers a number of experiments while Rober's video answers the question of how far into the pool a person would sink.

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