https://youtu.be/5FXQFFqNLII?t=3029
The Cheshire Cat* cartoonist addresses the idea that empires only last 250 years.
I'm unconcerned. The United States has only been an empire since November of 1962.
Then he proceeds to estimate that thermal chimneys only need to be as tall as a skyscraper.
*Curiously,
cats-kingdom.org/entertainment/famous-cartoon-cats/ list 30 famous cats. Guess who isn't on the list.