Also referred to as pleural effusion or ' fluid on lungs ', the condition is commonly diagnosed among TB patients. Normally, there is a small amount of fluid surrounding the lungs but in TB there is bacterial growth in the fluid filled space between the chest wall and the lungs.
Following are the equations of several nuclear reactions that have important roles in the history of nuclear chemistry: 1  The first naturally occurring unstable element that was isolated, polonium, was discovered by the Polish scientist Marie Curie and her husband Pierre in 1898. It decays, emitting Î± particles:
June 1911: Invention of the Geiger Counter. Hans Geiger. It is impossible to discuss the history of the atom without reference to the famous gold foil experiment spearheaded by Ernest B. Rutherford in 1909, which demonstrated experimentally for the first time the existence of the atomic nucleus.