/u/Echoherb's posts
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Why did people of color come to be called "blacks" instead of "browns" in America? Is there a historical reason for this?
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How did our ancestors handle insects and pests inside houses? Today we have baits, bug spray, candles, traps, nets and exterminators. How would someone from, for example, ancient Mesopotamia in the 4th century BCE, or someone from ancient Rome handle this problem?
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If you point a strong laser beam at one side of the moon, then flick your wrist to the other side of the moon, did the beam technically move faster than the speed of light?
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