backyard scientist

Keep Computer Duster Very Far From Boiling Water

Keep Computer Duster Very Far From Boiling Water

Video: Despite the name “canned air”, computer duster isn’t oxygen at all. It’s actually 1,1-Difluoroethane kept under pressure in its liquid form and released as a freezing cold gas. It can cause moderate frostbite. It can get you high if you huff it (but don’t do that — it’s a…

Are Grenades Deadlier On Land Or Under Water?

Are Grenades Deadlier On Land Or Under Water?

Video: YouTube scientist Mark Rober and molten metal obsessive BackyardScientist teamed up to answer a simple question: is a grenade deadlier on land or under water? But in order to answer that, we need to understand exactly what a grenade does.