Music in three stages: early 1761-1772 middle 1772-1781 late 1781-1791 best known works Mozart composed over 600 works including: 21 stage and opera works, 15 Masses, over 50 symphonies, 25 piano concertos, 12 violin concertos, 27 concert arias, 17 piano sonatas, 26 string quartets, and many other pieces.
It is also known as eka-radon or element 118, and on the periodic table of the elements it is a p-block element and the last one of the 7th period. Ununoctium is currently the only synthetic member of group 18. It has the highest atomic number and highest atomic mass of all the elements discovered so far.
Today I found out Super Glue was invented by accident, twice. Super Glue, also known as cyanoacrylate, was originally discovered in 1942 by Dr. Harry Coover, who by the way died last month on March 26th, 2011. Coover was attempting to make clear plastic gun sights to be put on guns used by Allied soldiers in WWII.