Always wondered about this. Article is pay-walled though.
TL;DR the difference in density at different temperatures changes the sound
Another commenter posted a Tom Scott/Steve Mould video with the same subject. In case you haven't seen it already.
Always wondered about this. Article is pay-walled though.
TL;DR the difference in density at different temperatures changes the sound
Another commenter posted a Tom Scott/Steve Mould video with the same subject. In case you haven't seen it already.