Scientists used children’s ‘silly sprinklers’ to solve a physics problem Richard Feynman could not; the reverse version spins 50 times slower

Mathematicians have solved a physics puzzle using backyard sprinklers. Experiments with silly sprinklers clarified how ...

'Silly sprinklers' put in reverse to further unravel decades-old physics puzzle

Each summer, lawns are marked by a familiar addition: "silly sprinklers," whose loops and spirals spew water in creative ways ...