Read an article that called this the "schedule buffer" rule. It said transit systems build in a few minutes of wiggle room on purpose. So showing up early based on the printed time just works better.

Ada Lovelace is a great example. It's wild how often women's early contributions to tech get left out of the story. Reading about the ENIAC programmers, who were all women, hit me the same way. Makes you question which other pioneers we've been taught to forget. History's a lot messier than the usual timeline of guys in garages.

Oh man, that's a great way to put it. My buddy Dave used to fight his trim like crazy, always kicking. Then an old instructor told him to just... stop moving and breathe. He said to fill his lungs to rise a bit, breathe out to sink, and keep his hands still. Totally changed his diving.