Bird Brained Quantum Mechanic

For the first daily pseudoscience update of the month of May, Frank Sherwin has found a short article in the Smithsonian called How Do Birds Find Their Way Home? Building on its subtitle alone, he has given us the equally short Bird Brains and Quantum Mechanics.

It's all about spin, folks. Source caption: "In this diagram representing the head-on collision of a quark (red ball) from one proton (orange ball) with a gluon (green ball) from another proton with opposite spin, spin is represented by the blue arrows circling the protons and the quark. The blue question marks circling the gluon represent the question: Are gluons polarized? Ejected from the collision are a shower of quarks and a photon of light (purple ball)." Continue reading