[Fish Speaker]

The Thermos has to rank near the top of mankind’s all-time inventions.

I've always wondered how it knows to keep cold things cold and hot things hot.

[ComputerGuy]

I like the large ones because they have room for both a cup of hot coffee and a glass of iced tea.

[Ronaldus Magnus III]

“”I’ve always wondered how it knows to keep cold things cold and hot things hot.””

I’m not saying that it is aliens......but......it’s aliens.