Tag Archives: liquid

Former NASA Engineer turns sand into a fluid in a most amazing feat to fill his hot tub with ‘liquid sand’!

You have to hand it over to NASA guys that once they set their mind on something, they leave no stone unturned in achieving it. They take up the challenge and will not rest till they have found a solution to it. So, in that sense, Mark Rober, a former NASA engineer, was no different.