Until the mid-1960s most American car horns were tuned to the musical notes of E-flat or C. Since then, many manufacturers have moved up on the scale to notes F-sharp and A-sharp.
Source: Car Horns: A History
Benjamin Franklin’s Glass Armonica: The Musical Instrument That Could Drive You Mad (According to People Who Were Probably Mad)
Benjamin Franklin invented a musical instrument so beautiful that Mozart composed music for it—and so unsettling that people feared it could cause insanity, depression, or even summon spirits. Meet the glass armonica, an invention that went from entertaining European aristocrats to inspiring medical panic. Not exactly the glowing reviews Franklin was hoping for.
10 Unsung People Who Changed History by Inspiring Someone Famous
Behind Billy Graham, Einstein, Darwin, Churchill, and Beethoven stood people whose names history largely forgot. From a Sunday school teacher in a shoe store to a professor whose recommendation helped revolutionize science, meet 10 unsung influences who changed the world without getting top billing.
Gene Autry: The Singing Cowboy Who Battled Robots, Made Rudolph Famous, and Bought a Baseball Team
Gene Autry was more than America’s favorite singing cowboy. He battled underground robots, flew military planes, helped make Rudolph the Red-Nosed Reindeer a Christmas institution, owned the Los Angeles Angels, and had a horse that enjoyed afternoon tea at London’s Savoy Hotel. Somehow, he also found time to make 93 movies.
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