SawStop Saws Detect Contact With Skin

Sawstop at 19,000FPS, stopping so fast that the force literally breaks the blade teeth off.

SawStop Saws Detect Contact With Skin. The blade carries a small electrical signal, which the safety system continually monitors. When skin contacts the blade, the signal changes because the human body is conductive. The change to the signal activates the safety system.

Source:
Jonathan Katz-Moses:

Thintz12:

Sawstop.com:

https://www.sawstop.com/why-sawstop/the-technology/#:~:text=SawStop%20Saws%20Detect%20Contact%20With,signal%20activates%20the%20safety%20system.

https://en.m.wikipedia.org/wiki/SawStop