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.
True Crime Wiki. Sleeping Dogs. Sleeping Dogs (Previously known as True Crime Hong Kong) is a 2012 game by United Front Games in the True Crime Series and the new Sleeping Dogs Series. The game started development 2009 as the third title in the series, however in 2011 it was cancelled by Activision and it was replaced by Sleeping Dogs.