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3 giorni fa · Christiaan Huygens fu uno di questi. Nel 1656 sciolse l’enigma dell’aspetto di Saturno individuando un anello intorno al piano equatoriale del pianeta. Durante queste osservazioni scoprì ...
5 giorni fa · Già nel Seicento, l’astronomo Christiaan Huygens suggeriva che osservare la Terra da lontano potrebbe aiutarci a comprendere meglio cosa sia realmente il nostro pianeta e come dovremmo considerarlo.
3 giorni fa · The first invention of this type was the pendulum clock, which was designed and built by Dutch polymath Christiaan Huygens in 1656. Early versions erred by less than one minute per day, and later ones only by 10 seconds, very accurate for their time.
4 giorni fa · In 1656 Christiaan Huygens made a telescope that was 23 feet long. It had an aperture of several inches and magnified about 100 times, with a field of view of only 17 arc-minutes. Huygens also invented the first achromatic eyepiece - the Huygenian - which was still being used in recent times.
5 giorni fa · Christiaan Huygens found out the centrifugal force which explained variations of gravitational acceleration depending on latitude. He also discovered that the seconds pendulum length was a means to measure gravitational acceleration.
1 giorno fa · At Spinoza’s country home in Rijsenburg, just outside of Leiden, and later in The Hague, figures like Christiaan Huygens, Henry Oldenburg, and G.W. Leibniz called on him to discuss his ...
2 giorni fa · The Dutch mathematician Christiaan Huygens developed the balance wheel, in its current form, in the 1670s and was granted a French patent for it in 1675. Huygens’s contribution was to introduce a spiralled balance spring or hairspring to the balance wheel, which causes it to oscillate with a constant frequency.
