This Endless Toy Train Will Mesmerize You! [Video]

It spins… forever.

[James Risner]

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3 Responses to This Endless Toy Train Will Mesmerize You! [Video]

  1. It is the cosmological constant. The universe is bounded but infinite just like this train. It is a simplified model of the universe. It is called the three-torus model of the universe. -Ms. Science Teacher

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