Sulfur Hexafluoride Experiment
Sulfur Hexafluoride is an interesting gas, it basically has the oposite effect of helium. It is heavier than air and when inhaled it makes your voice deeper. Does anyone know where to get this stuff?
One more video after the jump.
“Because the gas has a high density (over five times denser than air), it can be […]
More: continued here