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 ...

The image illustrates the experimental set-up: (a) Cut-away schematic of the floating sprinkler, (b) Flow control apparatus operating in suction mode, and (c) Flow imaging with a laser sheet ...

When you're flying on a commercial jet, you naturally become very familiar with the sound and feeling of the powerful turbine engines. As you take off, you can feel their rumbling muscle rocketing the ...