the.com/watermill
a river convinced to do your chores while it pretends to just keep flowing
ancient techRomans ground grain with them over 2,000 years ago
power scaleOnce outnumbered England's people-driven industry entirely
two flavorsUndershot, overshot — physics decides which spins harder
domesday countEngland had 6,000 mills recorded in 1086
slow deathSteam engines ended their reign in the 1800s