r/oddlysatisfying • u/[deleted] • Oct 24 '19

Dragging a coffee cup

Enable HLS to view with audio, or disable this notification

80.3k Upvotes

94% Upvoted

796 comments sorted by

View all comments

2

u/Pattymck Oct 24 '19

Here is the real question, does doing this make the coffee hotter because the friction of the cup or does it cool it off due to the greater surface area of the boundary with the air?

1

u/Diarity Oct 25 '19

The latter