In 479 BC, when Persian soldiers besieged

the Greek city of Potidaea,

the tide retreated much farther than usual,

leaving a convenient invasion route.

But this wasn't a stroke of luck.

Before they had

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The Heisenberg Uncertainty Principle is one of a handful of ideas

from quantum physics to expand into general pop culture.

It says that you can never simultaneously know the exact position

and the ex

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Whether or not you realize it,

as a surfer you’re a master of complicated physics.

The science of surfing begins

as soon as you and your board first hit the water.

The board’s size and light constru

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