A radioactive decay chain and the spectrum obtained by the INTEGRAL observatory. Note the scale of the vertical axis -- about one gamma quantum an hour per 1cm2! Disclaimer: AAAS and EurekAlert! are ...
Elements that do not exist in nature—that have been created in a laboratory—are unstable. After hours or days of one element bombarding another with enough energy for both to fuse, the resulting new ...
Outdone only by nuclear fusion, the process of nuclear fission releases enormous amounts of energy. The ‘spicy rocks’ that are at the core of both natural and artificial fission reactors are generally ...