Inquiring Minds
Why Does Breathing Helium Make Your Voice So High?
TV-Y7
S1 • E3 Sep 26, 1999 30mThe discovery of how the density of several elements affects sound, what is needed for sound to be present, and how sound works. The pitch of a person's voice compared to that of a musical instrument is discussed, along with how changing the speed of sound affects the pitch of the voice, and how the pitch can be changed.
