watch this
Pumping 20,000 Volts Into a Watermelon Ends as Spectacularly as You’d Hope

Unlike a battery, which stores power as chemical energy that’s slowly and steadily discharged to keep your gadgets running, a capacitor can unload all of its juice in the blink of an eye. Even a small capacitor has the potential to stop your heart, but when it’s the size of a dishwasher, well, this watermelon demonstrates exactly how destructive it can be. Read More >>

science
What Happens When You Blast a Flamethrower With a Freeze-Ray

Using liquid nitrogen inside a thermos with a tube sticking out of it, YouTube’s TheBackyardScientist created a crude home-made freeze ray. To see what it was really capable of, and to answer a question that has been puzzling comic book fans for years, he then blasted it at a flamethrower to see which simulated superpower would win out. Read More >>