Jason Nishiyama is a user on octodon.social. You can follow them or interact with them if you have an account anywhere in the fediverse. If you don't, you can sign up here.

Jason Nishiyama @evilscientistca@octodon.social

Under general relativity the faster your are moving, or the stronger the gravity field you are in, the slower clocks will run compared to those moving slower or in weaker gravity. This is enough that the clocks on the GPS satellites have to compensate for it.