It is well-known that a radioactive substance follows a fixed exponential decay, no matter what you do to it. The fact has been set in stone since 1930 when the “father” of nuclear physics Ernest ...

Radioactive decay (also known as nuclear decay, radioactivity, radioactive disintegration or nuclear disintegration) is the process by which an unstable atomic nucleus loses energy by radiation. A ...

IN previous notes 1 an account has been given of a measurement of the decay constant of radium C'. The method consisted in determinations of the number of particles emitted from a beam of recoil atoms ...