1974Rubik’s Cube has 43 quintillion positions.

Wacky WorldInventions

Invented by Ernő Rubik in 1974, it can be solved in 20 moves or fewer from any position.

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<span class="aj-year">1989</span>The World Wide Web was proposed as a way to share physics documents.<span class="aj-year">1964</span>The first computer mouse was made of wood.<span class="aj-year">1824</span>Braille was invented by a 15-year-old.