100/(2n) Half-life (abbreviated t1â2) is the time required for a quantity to reduce to half its initial value. The term is commonly used in nuclear physics to describe how quickly unstable atoms undergo, or how long stable atoms survive, radioactive decay.
Baby names meanings search results: The name Kellan is a baby boy name. The name Kellan comes from the Gaelic origin. In Gaelic The meaning of the name Kellan is: Slender; fair.he name Kellan is a baby boy name. The name Kellan comes from the Gaelic origin. In Gaelic The meaning of the name Kellan is: Slender; fair.
Gunner /gun-ner/ [2 sylls.] as a name for boys is of German origin, and Gunner means battler, warrior. Gunner is a variant transcription of Gunther (German): Gunnar is a Scandinavian variant.Ganner is a conventional surname.unner is a rare first name for males but a very popular surname for all people (#29142 out of 150436, Top 19%). (2000 U.S. Census). Displayed below is the baby name popularity of Gunner for boys. Gunner was first listed in 1994 and reached its peak rank of #235 in the U.S. in 2014. (2014 Birth Statistics).