Examples of using Pendulum clock in English and their translations into Vietnamese
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The first fully operational pendulum clock was made by Christiaan Huygens in the 1650s.
In 1641 Galileo conceived anddictated to his son Vincenzo a design for a pendulum clock;
In a pendulum clock, there is a change from potential energy to kinetic energy with each swing.
In terms of horology, Huygens most famous work, Horologium Oscillatorium of 1673,was a major treatise on pendulum clocks.
Huygens' pendulum clock had an error of less than 1 minute a day, the first time such accuracy had been achieved.
From the time of its invention by Christiaan Huygens in 1656 until the 1930s, the pendulum clock was the World's most precise timekeeper.
Huygen's pendulum clock had an error of less than one minute a day, the first time such accuracy had been achieved.
As a result, Christiaan Huygens' publication of Horologrium Oscillatorium in 1657is recognized as the first recorded proposal for a pendulum clock.
Imagine that we seal ourselves into a box with a light clock and a pendulum clock and set them ticking away in sync.
But by the early 1900's, the company was also branching out into a number of related products,including table clocks and pendulum clocks.
Spring driven pendulum clock, designed by Christiaan Huygens(1657) and copy of the Horologium Oscillatorium, Museum Boerhaave, Leiden.
During his expedition to Cayenne, French Guiana in 1671,Jean Richer found that a pendulum clock was 2 1⁄2 minutes per day slower at Cayenne than at Paris.
According to Vincenzo Vivian, one of Galileo's contemporaries, it was in 1641 while underhouse arrest that Galileo created a design for a pendulum clock.
There is no important difference between a light clock and a pendulum clock, which works by“bouncing” the pendulum between two places once every second.
The pendulum clock remained the most accurate timekeeper until the 1930s, when quartz oscillators were invented, followed by atomic clocks after World War 2.
Almost 350 years ago,Dutch inventor and scientist Christiaan Huygens observed that two pendulum clocks hanging from a wall would synchronize their swings over time.
What makes us think, though, that a pendulum clock is more accurate than a sundial, or that a cesium atom is a more accurate timekeeper than a pendulum clock?
Watch makers, tinkerers, and inventors continued to develop advancements that would lend greater and greater accuracy,until they were just as reliable as full-sized pendulum clocks.
Huygens, inventor of the pendulum clock, was the first to discover the resonance of two separate pendulum clocks, which he logically surmised should keep slightly different time.
Close to 350 years ago,a Dutch inventor and scientist by the name of Christiaan Huygens observed that two pendulum clocks hanging from the same wall would synchronise their swing after a certain amount of time.
A practical and accurate pendulum clock had recently been invented, so Roemer could check whether the ratio of the two clocks' cycles, about 42.5 hours to 1 orbit, stayed exactly constant or changed a little.
These observations became the basis of his later work with pendulums to keep time- work which would also be picked up almost a century later whenChristiaan Huygens designed the first officially-recognized pendulum clock.
There had been remarkable progress towards more and more accurate measurement andat the beginning of the century pendulum clocks had been perfected to the extent that they recorded time to an accuracy of less than 1/100 of a second error in a day.
While never reaching the level of accuracy based on today's standards of timekeeping, the water clock was the most accurate and commonly used timekeeping device for millennia,until it was replaced by the more accurate pendulum clock in 17th century Europe.
The pendulum clock invented by Christian Huygens in 1658 became the world's standard timekeeper, used in homes and offices for 270 years, and achieved accuracy of about one second per year before it was superseded as a time standard by the quartz clock in the 1930s.
The first mechanical clocks, employing the verge escapement mechanism with a foliot or balance wheel timekeeper, were invented in Europe at around the start of the 14th century,and became the standard timekeeping device until the pendulum clock was invented in 1656.
A pendulum clock was first operated in a constant-pressure tank by Friedrich Tiede in 1865 at the Berlin Observatory,[84][85] and by 1900 the highest precision clocks were mounted in tanks that were kept at a constant pressure to eliminate changes in atmospheric pressure.