This link shows a vintage ad from the American Meat Institute from 1946, advocating the eating of meat.  I'm sure it offends somebody, and that's funny.  (via Boing Boing) #entertainment

A fogbow, or white rainbow, is a U-shaped layer of fog made up of water droplets that are too small to reflect or refract light.  The site says, "wave interference causes an overlap between light rays having different wavelengths ... and thus diffraction is [the] dominant scattering mechanism."  (via Neatorama) #technology