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.
Aiden is an uncommon first name for males. Aiden is a unique surname too for all people. (2000 U.S. Census). Charted below is the baby name popularity of Aiden for boys.Aiden was first listed in 1995 and reached its peak rank of #9 in the U.S. in 2011, and is currently at #14.iden /ai-den/ [2 sylls.] as a boys' name is of Gaelic derivation, and the meaning of Aiden is fire.