H/T: Mail Online
You don’t need The Force to use this real-life lightsaber of sorts, as it works by just pushing a button. Developed by the US Air force and Energetic Materials & Products, the Tech Torch is basically a handheld tool that produces a blade-shaped 4,000° flame, capable of ripping through half-inch steel bars in seconds. “It works through a combination of chemistry and physics. The extremely high heat renders the steel to a molten state, and the force of the propulsion erodes the material very rapidly,” said Stephanie Johnson, a research chemist and program manager at the lab. Click here to view the first image in today’s viral picture gallery. Continue reading for the five most popular viral videos today, including one explaining the science behind NERF blasters.