How does a "reverse sprinkler" work? Research
<p>For decades scientists have been trying to solve Feynman’s Sprinkler Problem: How does a sprinkler running in reverse work? Through a series of experiments, a team of mathematicians has figured out how flowing fluids exert forces and move structures, thereby revealing the answer to this long-standing mystery.</p> <p> </p>
Source: eurekalert.org