What’s Nuclear About A Football?
Whose nuclear launch button is bigger? There has been a serious kerfuffle in the news about buttons and their relative size. Specifically, nuclear launch buttons. Kim Jong-un, the leader of North Korea, flatly stated that a nuclear button is on his desk at all times. “It’s not a mere threat but a reality that I have a nuclear button on the desk in my office.” …
Why is a new element named after a suburb of San Francisco?
On Saturday the International Union of Pure and Applied Chemistry proposed the names of two new elements. Currently element number 114 and element number 116 do not have official names in the periodic table of elements. The elements were previously known as ununquadium and ununhexium. Those long, unpronounceable words were the temporarily used systematic element names. The names are generated from their atomic number, but …
Origin of nuclear fission
First recorded in 1885–90
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
the splitting of an atomic nucleus into approximately equal parts, either spontaneously or as a result of the impact of a particle usually with an associated release of energySometimes shortened to: fission Compare nuclear fusion
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012