Home Â» Photon. Definition. noun, plural: photons. (physics) A quantum unit of light energy or electromagnetic radiation. Supplement. A photon is a quantum of radiant energy with a visible wavelength. It is an elementary particle that is its own antiparticle. It is a discrete concentration of energy. It is a massless elementary particle that moves at the speed of light. It has no electric charge 1 and is stable.
CC is short for Copy Cat. Read the Be An Original poem on wowzone. Meet CC! CC, the first successful cloned cat, was introduced to the world on Valentine's Day, February 14, 2002. She was born on December 22, 2001, and... She is as cute as a button, said a spokeswoman for Texas A&M, where the work was done with a grant from philanthropist John Sperling's Apollo Group Inc..
US President Bill Clinton has set up a special task force to investigate cloning in order to examine the legal and ethical implications. E-mail this story to a friend. 1997: Dolly the sheep is cloned Scientists in Scotland have announced the birth of the world's first successfully cloned mammal, Dolly the sheep.