April 24
Posted in White History on Apr 24th, 2011
1913 The Woolworth Building, one of the oldest and most famous skyscrapers in New York City, was officially opened. 1817 Swiss chemist Jean-Charles-Galinard de Marignac was born in Geneva. His life work consisted of making many precise determinations of atomic weights which suggested the possibility of isotopes and the packing fraction of nuclei. In 1878 [...]