Periodic table written on a human hair!:

http://www.physorg.com/news/2010-12-smallest-periodic-table-side-human.html

There is a video showing how they did it.

Amazing, it was a grey hair; as opposed to a red flat thin hair. That would have been easier, more surface area?!

Originally posted by patauro
Amazing, it was a grey hair; as opposed to a red flat thin hair. That would have been easier, more surface area?!

Originally posted by Badwater
Aren't gray hairs generally larger and/or stiffer? Generally speaking.

Originally posted by Badwater
Aren't gray hairs generally larger and/or stiffer? Generally speaking.

Originally posted by patauro
I'm not sure if gray hairs are larger than normally pigmantented hair, but from personal experience RCH's are thicker and probably easier to write on.

Originally posted by mikelom
Are we picking at hairs now? 🙂

The fact is, it was done. 😉