This cup turns hot coffee into iced coffee fast — but without the ice

This cup that turns hot coffee into iced coffee in a minute is

Mango & Tomato: How To Turn Hot Coffee Into Iced Coffee In FIVE

Which Type of Cup Keeps Coffee The Hottest For Longest? 9 Types Ranked

And no, I don't want hot coffee over ice so that I could be

Mango & Tomato: How To Turn Hot Coffee Into Iced Coffee In FIVE

Mango & Tomato: How To Turn Hot Coffee Into Iced Coffee In FIVE

Does Anyone Drink Hot Coffee Anymore? - The New York Times

Why does iced coffee taste different than hot coffee that's cooled?

Why does iced coffee taste different than hot coffee that's cooled?

How to Make Iced Coffee from Hot Coffee