Hundreds of years before solar viewing glasses were readily available, scientists and casual spectators could still enjoy these rare celestial events without frying their eyeballs. They'd use a combination of pinholes and mirrors to redirect the sun's rays onto a screen.

It took a while to figure out how to build the so-called camera obscura. Ancient Chinese and Greek scholars puzzled over pinholes for centuries before an Arab mathematician and scientist came up with a design.
You can rig up your own version with simple household items. It's easy. Skunk Bear's latest video shows you how.
And remember, never look directly at the sun without .
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Eclipses are beautiful, and they're also really important to scientists. Skunk Bear's latest video explores the many discoveries sparked by solar eclipses. Check it out over on Skunk Bear's .
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