To surrender or relinquish, as sovereign power; to withdraw definitely from filling or exercising, as a high office, station, dignity; as, to abdicate the throne, the crown, the papacy. [imp. & p. p. Abdicated ( ); p. pr.
History of IR and FTIR spectroscopy. Chemical IR spectroscopy was emerged as a science in 1800 by Sir William Herschel. Firstly most IR instrumentation was based on prism or grating monochromators. Michelson invented interferometer in 1881.
When the microscope was invented around 1590, suddenly we saw a new world of living things in our water, in our food and under our nose. But it's unclear who invented the microscope. Some historians say it was Hans Lippershey, most famous for filing the first patent for a telescope. Other evidence points to Hans and Zacharias Janssen, a father-son team of spectacle makers living in the same town as Lippershey.