A photon is produced whenever an electron in a higher-than-normal orbit falls back to its normal orbit. During the fall from high energy to normal energy, the electron emits a photon -- a packet of energy -- with very specific characteristics.
Sleeping Dogs. Sleeping Dogs is an open-world third person action game developed by United Front Games and published by the Square Enix London Studios. Originally, the game was going to be the third in the True Crime series, but Activision canceled the game on February 9, 2011.
Night anxiety in dogs is a common malady. Your dog may bark, howl or show other nervous behavior when the lights go out. Take heart from knowing that you and your dog are not alone -- night anxiety is a common canine malady. Learn about its causes and how you can transform a panicked pup into a happy hound.