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Varia. Traité des couronnes et des parhélies (1662 ou 1663) (1932). Tome XXII: Supplément à la correspondance.
He generally receives credit for his discovery of the centrifugal force the laws for collision of bodies for his role in the development of modern calculus and his original observations on sound perception (see repetition pitch). His work included early telescopic studies elucidating the nature of the rings of Saturn and the discovery of its moon Titan the invention of the pendulum clock and other investigations in timekeeping and studies of both optics and the centrifugal force. Christiaan Huygens FRS (/ˈhaɪɡənz/ or /ˈhɔɪɡənz/; [ˈɦœy̆ɣə(n)s] ([Image] listen); 14 April 1629 – 8 July 1695) was a prominent Dutch mathematician astronomer physicist and horologist.