Content about “

Reynolds number

”

We all know what turbulence is, but nobody understands it.

How does a smooth flow suddenly become turbulent? The Reynolds number helps understand the transition.

Can researchers solve the mathematics of turbulence at the smallest scale?

The common bumblebee is a familiar visitor to European gardens. At first sight there's nothing particularly remarkable about this small furry interloper, but it has been a source of mathematical controversy for nearly a century.