Ever wonder why the sky is blue, vs. say red, orange or purple? An effect called Rayleigh Scattering is part of the reason we ...

It happens because of something called the Rayleigh effect, or Rayleigh scattering, named after a British scientist who first wrote about it in 1871. Our modern-day expert, weather.com senior ...

Raman knew all this but couldn't agree with Lord Rayleigh's explanation for the sea's colour. He thought it might be due to light scattering by water molecules, but his idea needed scientific proof.