On this day, the 9th November, along with the fall of the Berlin wall in 1989 (my earliest ever memory!), the murder by Jack the ripper of his last victim in 1888 and last but by no means least both the launch of the first Saturn V Rocket and the first issue of the rolling stone magazine both in 1967.
More importantly for us scientists perhaps are these two events:
Coincidentally today is also the birthday of Theodor Kaluza, born in 1885, a scientist who proved a link between Einsteins theory of relativity and that of James Clark Maxwell‘s equations for electromagnetism!
The photoelectric effect occurs when electrons are emitted from matter as a result of their absorption of a photon of light. (This is why you must never put metal into a microwave oven, DO NOT TRY THIS!!!)
A new element Darmstadtium was discovered and named after the town in which it was discovered in Germany, with an atomic number of 110 its the heaviest element in group 10 however it is sufficiently stable enough to carry out some chemical experiments to confirm its place