I’d never thought of it before until I saw the above video posted on Boing Boing about a month ago, but since a lighter-than-air gas (like helium) makes your voice higher, a denser-than-air gas makes your voice lower. Neato!
Updated Every Monday.
Updated Every Monday.
I’d never thought of it before until I saw the above video posted on Boing Boing about a month ago, but since a lighter-than-air gas (like helium) makes your voice higher, a denser-than-air gas makes your voice lower. Neato!