Iridium is the most corrosion-resistant element on the Periodic Table of Elements. It also has the highest density of all the elements. Because it resists corrosion, it is used to set standards in ...
The story of iridium is both modern and prehistoric. It was discovered along with osmium in 1803 by the British chemist Smithson Tennant, born in 1761 in Selby, Yorkshire. Tennant studied medicine but ...