The World in UV
31 July, 2018
It's said that no two fingerprints are the same. Is that true? How did your fingerprints form and why are they unique? This Minute Earth video explores fingerprint science. Learn how loop, whorl, and arch shapes form ... Using lenses to bend light, YouTuber Brusspup makes a ruler, a knife, a spoon, a hand, and a laser completely disappear from view. Invisibility lenses
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