mark rober

What Kind Of Sorcery Lets People Swim In This Sand-Filled Hot Tub?

Video: You can try as hard as you want, but you’ll never be as cool an uncle as ex-NASA JPL engineer Mark Rober. Using elaborate experiments, he makes learning about science even more entertaining than Bill Nye did, and his latest invention is a sand-filled hot tub that somehow still…

The World’s Biggest Super Soaker Is Powerful Enough To Shatter Windows

Video: Last year, Mark Rober built the world’s largest Nerf dart gun, capable of blasting foam at 64km/h. Sure, that made it slightly more dangerous than the toy it was based on, but it doesn’t even come close to Rober’s latest bonkers creation: A giant Super Soaker that fires water…