the.com/relativity
the universe's fine print: nothing is fixed, not even the ticking of your own clock
time bendsGPS satellites tick faster; ignore Einstein and you're lost
speed limitlight's pace is the cosmos' unbreakable house rule
mass warpsgravity is spacetime sagging under heavy things
slow clocksmove fast enough and you age less than friends
e=mc squareda sliver of matter holds atomic-bomb energy