This is just too nuts. I'm curious if it damages the saw to do this. like is it a one-time use thing?
Just seems mental to be able to stop and retract a saw blade moving that fast in an instant.
For the rest of the story: http://www.minds.com/blog/view/74687/man-sticks-finger-in-a-table-saw-in-super-slomo-to-demonstrate-his-safety-invention-maddness