1950 CE is known as the year zero in the so-called ‘BP time scale.’ The BP stands for, “Before Present,” and has its roots in the development and conventions of radiocarbon dating [1]. The radioactive isotope of carbon (14C) with a half-life of 5700 years [2; 3] is a cosmogenic isotope produced in the atmosphere …[Read More]
Bomb 14C – a tracer and time marker of the mid-20th century
