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Quantum mechanics of time travel. The theoretical study of time travel generally follows the laws of general relativity. Quantum mechanics requires physicists to solve equations describing how probabilities behave along closed timelike curves (CTCs), theoretical loops in spacetime that might make it possible to travel through time. [1][2][3][4 ...
Flip clock. A flip clock (also known as a "flap clock") is an electromechanical, digital time keeping device with the time indicated by numbers that are sequentially revealed by a split-flap display. The study, collection and repair of flip clocks is termed horopalettology (from horology - the study and measurement of time and palette - and the ...
Twemco is the world's leading manufacturer of automatic flip clocks and its products became a symbol of Hong Kong precision engineering during the mid-20th century. [3] [4] The company claims to have sold almost 1 million clocks. [5] The design of Twemco's desk clocks resembles that of the world's first flip clock, the Cifra 3 designed in Italy ...
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Solari Cifra 3 designed by Gino Valle [] Photo of "split-flap" display mechanism Detail showing the another part of the internal mechanism. The Cifra 3 [ˈtʃiːfra ˈtre] is a digital flip clock manufactured by Solari di Udine, S.p.A., Italy designed by Italian architect Gino Valle [] (1923–2003) in 1965, with significant contribution from John Myer, a Belgian inventor.
History of timekeeping devices. A marine sandglass. It is related to the hourglass, nowadays often used symbolically to represent the concept of time. The history of timekeeping devices dates back to when ancient civilizations first observed astronomical bodies as they moved across the sky. Devices and methods for keeping time have gradually ...
Clocks; a watch-maker seated at his workbench. Chronometry[a] or horology[b] (lit. 'the study of time') is the science studying the measurement of time and timekeeping. [3] Chronometry enables the establishment of standard measurements of time, which have applications in a broad range of social and scientific areas.