PATENT PENDING INSANITY

The eraser was invented because humans love pretending nothing happened.

✗ FAKE
Erasers date back many centuries, with bread used to rub out charcoal, and rubber erasers appeared in the 18th century, when rubber was found to rub out pencil marks. They exist for correcting mistakes in writing.

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The wheel is considered one of the most important inventions ever. Not bad for a circle.The wheelbarrow was used in ancient Greece and China. The original “work smarter, not harder” tool.The escalator was invented for people who wanted motion without effort.The traffic light was invented because humans can’t take turns naturally.The ballpoint pen was invented by László Bíró in 1938. A small invention with a long paper trail.The MRI machine was developed in the 1970s. The world’s most expensive tunnel.See all Patent Pending Insanity facts →

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