The 150-MPH Rocket Knife Is Even More Dangerous When It's Heated To 1000 Degrees

The 150-MPH Rocket Knife Is Even More Dangerous When It's Heated To 1000 Degrees
We met the rocket knife last week, and this time around the Backyard Scientist decided to take things to the next level (when does he not?).

https://www.youtube.com/watch?utm_source=ifttt&v=-RbQPhh7EyE January 21, 2017 at 12:04AM
via Digg https://www.youtube.com/watch?utm_source=ifttt&v=-RbQPhh7EyE