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2-story maze creates impressive chain reaction

Have you heard of a Rube Goldberg Machine? It’s an extravagant contraption that carries out a simple task. The set up in this video combines that idea with a domino design. The result is a massive chain reaction that seems to go on forever. Follow the purple ball as it makes its way through two stories of tracks.

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Robocalls interrupt us constantly and scam Americans out of millions of dollars every year. Learn Kim's best tricks for stopping annoying robocalls in this handy guide.

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