the.com/reaction
matter rearranging itself, sometimes politely, sometimes with a deafening apology to the room
speed limitsome finish in femtoseconds, faster than light crosses a hair
hidden taxevery reaction either eats heat or spits it out
chain effectone neutron can trigger billions in a heartbeat
reverse gearmost reactions secretly run backward at the same time
human versionfastest reflex arc skips the brain entirely