Description: Sulphur Hexafluoride is actually heavier than air, leading to some very amusing phenomenon such as the voice change here.

by: 350ZGuy1980

Description: Friend of mine inhaling laughing gas. He totally freaks out and can't stop!

by: silirius

Description: Just a little helium

by: lilfunnkette1822

Description: These two kids decide to inhale laughing gas through some balloons. Look what happens.

by: Firez101

Description: Student at UTK uses an airhorn to change his voice.

by: UTKGrappler

Description: Beautiful models. Beautiful face. Sexy posture. You can see them. Each spring gas inhalation. In this fascinating figure in the wonderful

by: w123dy

Description: Sulphur Hexafluoride, a gas that give you a very dark voice instead of helium that gives you a light "donald duck voice".

by: Matzioni