'But mom, that soda is natural.'

First, mathematics aside, was Lord Rayleigh truly the first person to understand such a basic phenomenon as the blueness of the sky? Second, violet light has an even shorter wavelength than blue, so why isn't the sky violet? And third, were the skies on Earth always blue?

A talented animator at NYC hot shop, Blue Sky, David Strick decided to put his professional prowess to personal use -- he made a wedding proposal video.