There are a couple I have in mind. Like many techies, I am a huge fan of RSS for content distribution and XMPP for federated communication.
The really niche one I like is S-expressions as a data format and configuration in place of json, yaml, toml, etc.
I am a big fan of Plaintext formats, although I wish markdown had a few more features like tables.
0 degrees Celsius, the water is freezing, 100 degrees Celsius, the water is boiling. Celsius has a direct link to Kelvin, and Kelvin is the SI unit for measurement temperatures.
What do I care about water? I’m not dressing water for the weather, I’m dressing me.
Are you not made primarily of water?
Asterisk: At 1 atmosphere of pressure. Lots of people forget that part.