A round sing with a red circle around a symbol typically means the thing in the circle is prohibited. The red circle around a car icon means “no motor vehicles”. Speed limit signs are the exception.

I’ve always seen Kelvin used to describe differences in temperature, since Kelvin has a real zero point and the steps are the same as Celsius. Or people just use °C because they don’t know or care that it’s technically wrong.

Gen-Z got a chunk of the Carboniferous, and now all their memes are about how pathetic and small today’s dragonflies are.

https://xkcd.com/3256/

Not to be confused with Teams (Classic) or Teams (work or school).