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Invention fails by famous innovators

What do concrete pianos, giant cross bows, and death beams have in common? They’re all failed inventions by famous innovators, as presented in this episode of Who Knew?. It just goes to show that even the most famous had to try and try again.

Top innovation news.

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1 Comment

  • @JasonStoddard

    The Tesla Death Ray was no failure.

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