Radium revealed: 120 years since the Curies found the most radioactive substance on the planet
Wednesday, December 19, 2018 - 10:40
in Astronomy & Space
Scientific discovery can be achingly slow, but it was moving swiftly in the 1890s. X-rays had been discovered in Germany just a few days before Christmas in 1895. Several months later, while researching these new X-rays, the French physicist Henri Becquerel accidentally discovered another new mysterious type of ray when he detected radiation emitting from uranium.