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How We Solved the Greatest Riddle In Navigation
The secret is In order to know WHERE you are, you need to first know WHEN you are.
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The Unexpected Measure that Makes the Modern World Tick
Knowing exactly what a “second” is is more complicated than you might think!
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The Weird Way That Movies Trick Your Brain
Neuroscientist David Eagleman talks about illusions that make the moving picture possible.
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Why is the sky any color?
Why is the sky blue? Or red at sunset? Or any color at all? Joe Hanson explains.
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The Science and Beauty of Auroras
Joe Hanson explains the science behind Earth's own cosmic light show.