In physics, a photon is usually denoted by the symbol Î³ (the Greek letter gamma). This symbol for the photon probably derives from gamma rays, which were discovered in 1900 by Paul Villard, named by Ernest Rutherford in 1903, and shown to be a form of electromagnetic radiation in 1914 by Rutherford and Edward Andrade.
Lauri /lau-ri/ [2 sylls.] as a name for girls is of Latin derivation, and the meaning of the name Lauri is the bay, or laurel plant. Lauri is an alternate form of Laura (Latin). Laury is a popular last name. Kreatif forms: Lauli, Luri.
Erica /er-i-ca/ [3 sylls.] as a girls' name is pronounced AIR-a-ka. It is of Old Norse origin, and the meaning of Erica is complete ruler .Latinate feminine form of Eric, and also a flower name, as the Latin word erica means  heather . Scandinavian name revived in the 19th century.t is of Old Norse origin, and the meaning of Erica is complete ruler . Latinate feminine form of Eric, and also a flower name, as the Latin word erica means  heather . Scandinavian name revived in the 19th century.