Adrenaline: (isolation of) John Jacob Abel, U.S., 1897. Aerosol can: Erik Rotheim, Norway, 1926. Air brake: George Westinghouse, U.S., 1868. Air conditioning: Willis Carrier, U.S., 1911.…
(Encyclopedia) mathematics, deductive study of numbers, geometry, and various abstract constructs, or structures; the latter often “abstract” the features common to several models derived from the…
