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What Is the Electric Constant and Why Should You Care?

What Is the Electric Constant and Why Should You Care?
It’s fun to think about the fundamental physical constants. These are special values used in our models of the physical ...
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Peacock Feathers Are Stunning. They Can Also Emit Laser Beams

Peacock Feathers Are Stunning. They Can Also Emit Laser Beams
Peacock feathers are greatly admired for their bright iridescent colors, but it turns out they can also emit laser light ...
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