# A world with magic

### by Donald Daniel, Jan 2015

Some people wish they lived in a world where magic
incantations would actually work. They do, they just don't
realize it.

The Pythagorean theorem from 500 BC is one of the first and
most famous magic incantations. It tells the length of the
hypotenuse of a right triangle. A computer program is a magic
incantation that makes the computer perform things that George
Washington would have considered magic.

Wake up and appreciate the world around you.

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