'The Blacklist' Season 2 Spoilers: Liz Finds The Fulcrum In Episode 10 [RECAP] By On 02/05/15 AT 10:20 PM. Red (James Spader, center) and Dembe (Hisham Tawfiq, left) tracked down Braxton (Ron Perlman, right) in episode 10 of The Blacklist Season 2.
Normally the Danish physicist Hans Christian Ãrsted Ã¸rsted is said to have discovered electromagnetism while doing a lecture in. 1820 he was a professor at The university Of â¦ copenha gen at the. time
In 1869 Russian chemist Dimitri Mendeleev started the development of the periodic table, arranging chemical elements by atomic mass. He predicted the discovery of other elements, and left spaces open in his periodic table for them.In 1886 French physicist Antoine Bequerel first discovered radioactivity.Thomson student from New Zealand Ernest Rutherford named three types of radiation; alpha, beta and gamma rays.n 1894 Sir William Ramsay and Lord Rayleigh discovered the noble gases, which were added to the periodic table as group 0. In 1897 English physicist J. J. Thomson first discovered electrons; small negatively charged particles in an atom. John Townsend and Robert Millikan determined their exact charge and mass.