Smarter Every Day takes an in-depth look at something super cool: removing tattoos with the help of lasers. The science behind it is fascinating, all the zapping lasers do is basically break down the bigger ink blobs inside your skin and let your body’s white blood cells and liver take care of the rest of the removal process.
But just because you can remove a tattoo with lasers doesn’t mean you should start thinking tattoos aren’t permanent. It’s a hell of a process.