Here’s a really interesting mathematical explanation on how the “catch a dollar” trick works. You know the trick: a person holds a bill vertically and says you can keep the bill if you can catch the ...

Scientists have found an elegant explanation for the long-standing Fermi-Pasta-Ulam (FPU) problem, first proposed in 1953, investigated with one of the world’s first digital computers, and now ...

Good things come to those who wait – according to a marketing slogan for Heinz ketchup from the 1980s. But why is ketchup so difficult to get out of the bottle? The reason is that ketchup is in two ...