Jay Leno and Transformers star Josh Duhamel recently got the chance to experience Sulfur Hexafluoride first hand. This gas basically fills your lung’s chambers, filtering out any “high sounds”, leaving your voice as low as can be. Continue reading for the video.

Sulfur Hexafluoride is a gas which does the opposite of Helium: it makes your voice much lower. You can also make light objects ‘float’ on it.

[via Freshcreation]