This YouTuber Has Created A Rocket-Knife That Can Hit Its Targets At 400mph
The Backyard Scientist made his own rockets, then devised a way to attach kitchen knives to them and launch them into...
Tag: the backyard scientists
Watch This Knife Attached To A 150 MPH Rocket Slice Through Meat And Fruit
It's time for our favorite event: the Mindless destruction of stuff for no good reason! And who else can quench our...
