Physicists Have Argued Over This Problem Since 1883. It May Now Be Solved.

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

Mathematicians use children’s ‘silly sprinklers’ to solve decades-old physics mystery

A team of mathematicians from US universities has solved the Sprinkler Problem, a decades-old physics mystery regarding how a ...

Physical Therapist Shares a 30-Second Core Exercise to Undo the Damage of Sitting All Day

This underrated core exercise is exactly what it sounds like: putting your body in the same longline plank position, except ...

Solution to Feynman’s reverse sprinkler puzzle also applies to “silly sprinklers”

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

Mathematicians still don’t know the fastest way to multiply numbers

This requires an algorithm: students are taught to stack one number atop another and multiply each digit of the bottom number ...