For decades, physicists have argued about Feynman’s Sprinkler Problem, the question of how a reverse sprinkler would operate.

For more than a century, physicists debated which way a submerged sprinkler sucking in water would spin. Careful experiments ...

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

Researchers at New York University’s Courant Institute conducted a series of experiments with different silly sprinkler ...