Why are tattoos permanent?
Chemistry For Your Life
00:00
What Is a Lazer?
i want you to explain the chemistry back to me, ok. First within our first twentythere's a little spoiler alert. It has to do with inter molacular forces. And if you want to know how gekos walk on walls, nicest there isn't. Evsison ly one to is laot, probably no.
Transcript
Play full episode
