Seems like a lot could go wrong with this one!
Awesome Machine on Tracks
Check out this cool invention.
I should have made one of these for my tree house back in the day.
These guys launched a Kickstarter project for a new kind of pen that draws functional electronic circuits instantly. Called the Circuit Scribe, the handy little device works like a regular ballpoint pen and releases a non-toxic conductive silver ink that dries instantly.
Would you run your fingers into the saw like this guy does? He believes in his invention.
Meanwhile on the streets of China...
Duct Tape Can Be Used For Anything