One of the most ancient and personal forms of art is the tattoo: getting a permanent piece of attached to your own body.
But as someone who has never had a tattoo before, I was fascinated to learn exactly how you can get something permanent into your skin that doesn’t fall off as you grow new skin. It’s a completely different way of producing art than spreading colour on a canvas.
And as a science geek, I was even more impressed to find out the high-tech ways that lasers can remove it, and what happens to it during the process.
Watch the video above to see in super-slow motion exactly how a tattoo needle creates the pattern, at 3,200 frames per second. It is oddly mesmerising. And it’s made by the great guy at Smarter Every Day which already showed us how our brains can become fixed in their way of thinking (with a backwards bicycle).
Then watch this video below to find out the physics and chemistry of how it works, and how the removal process using lasers works.
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