
Ever wondered why the sky is blue? Join Phil and Cecilia as they unravel this everyday mystery, diving deep into Rayleigh Scattering, the surprising rarity of natural blue pigment, and the accidental discovery of Prussian Blue. We explore the art history behind Ultramarine's astronomical cost and even take a trip to Mars to explain its bizarre blue sunsets via Mie Scattering. A fascinating journey through physics, history, and art for curious minds!