Portal:Physics/Selected picture/December 2013

Description of Physics related images in a clockwise direction from the top left:

 * Refraction of light (which is described by Optics)
 * A laser
 * A hot air balloon
 * A spintop (whose movement is described by classical mechanics)
 * The effects of an inelastic collision
 * Atomic orbitals of hydrogen atom (which are described by quantum mechanics)
 * An atomic bomb exploding
 * Lightning (which is an electrical phenomenon)
 * Galaxies (photo made by the Hubble Space Telescope)