Here's a debunking of that guy. http://youtube.com/watch?v=xvEH64F6Upk Basically, he did go to india to learn the "science" of fakirs. On a scientific point of view, it's simple: Poke through the skin around 1/4", wait for it to cauterize, repeat. If you hit a bone or start punching through a vital organ? Try another point of entry. Very creepy result, but simple science.
http://youtube.com/watch?v=xvEH64F6Upk
Basically, he did go to india to learn the "science" of fakirs. On a scientific point of view, it's simple: Poke through the skin around 1/4", wait for it to cauterize, repeat. If you hit a bone or start punching through a vital organ? Try another point of entry. Very creepy result, but simple science.