It's widely understood, in the collective consciousness of the meme-anschauung, that inhaling sulphur hexafluoride is how one briefly attains an extremely deep and manly voice. But there is a gas that offers even deeper and manlier formants: perfluorobutane. Cody's lab:
— Read the rest"I breath in samples of sulfur hexafluoride and perfluorobutane which has nearly twice the density.
