I saw this on another site this morning and thought it was interesting.
The Sawstop system induces an electrical signal onto the blade and then monitors that signal for changes. The human body has a relatively large inherent electrical capacitance and conductivity- if the system detects this, the blade drops out in 5 miliseconds! Check out the video when the saw comes in contact with a hotdog.
Whoa, that's a pretty neat thing. I must admit that I love my Jet tablesaw, but something like this would certainly make me less likely to freak out and hover when Pam or one of the ranch hands needs or wants to use the table saw. Even when I'm working with it, I have periodic visions of fingers flying around...lol.
I guess $2,800 plus accessories and shipping isn't much compared to the loss
of a finger or two, or for a professional's shop, but for a 'hobbiest' its a bunch.
The technology is downright amazing. Who could think of something like this
even being possible.