#TodayInSTEM, French chemist Nicolas-Louis Vauquelin was born in 1763. Vauquelin discovered the elements chromium (Cr) and beryllium (Be). Chromium is a hard, silvery metal used to make stainless steel. Beryllium is used in gears and cogs, particularly in aeroplanes. Photo: Chromium #Vauquelin #NicolasLouisVauquelin #chromium #beryllium #ChemIsTry #1763 #chemist #STEMist