Tattoos Explained

Thomas Edison was a great inventor. The modern tattoo machine is based on his engraving machine. The earliest recorded tattoo was found on a Peruvian mummy in 6,000 BC. Humans lose roughly 40,000 skin cells per hour. So how do tattoos last? Ted Ed and Claudia Aguirre detail the different methods and machines that go into making tattoos stand the test of time.

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