article_snippet: Putting on silly voices is just one of the things adults do to bring a smile to a baby’s face.
article_snippet: And what’s better than helium for distorting your voice to make you sound like a friendly chipmunk?
article_snippet: but Carson high-pitched voice only makes things worse.
article_snippet: Helium makes his high-pitched voice sound high-pitched because Helium is lighter than air and sound waves can travel through it faster.
article_snippet: When inhaling helium, the type of gas molecules in the vocal tract change and increase his high-pitched voice’s speed of the sound, making his high-pitched voice squeaky.
highlights_snippet: Uncle inhales helium from a balloon and speaks in a squeaky voice .
  