Search results
Results from the WOW.Com Content Network
This page is a listing of articles for time machines: any fictional, theoretical, or hypothetical device used for time travel. Pages in category "Time travel devices" The following 6 pages are in this category, out of 6 total.
A Tipler cylinder is used as a plot device in Chuck Grossart's story "The Phoenix Descent". Episode 9 of the webseries Ask Weathersby [14] mentions the Tipler cylinder, discussing time travel. [15] In "The Miracle of Christmas", Episode 2.11 of the American TV series Timeless, a Tipler cylinder is mentioned as being added to an upgraded time ...
This timeline of time measurement inventions is a chronological list of particularly important or significant technological inventions relating to timekeeping devices and their inventors, where known. Note: Dates for inventions are often controversial. Sometimes inventions are invented by several inventors around the same time, or may be ...
The idea of using atomic transitions to measure time was first suggested by the British scientist Lord Kelvin in 1879, [204] although it was only in the 1930s with the development of magnetic resonance that there was a practical method for measuring time in this way. [205] A prototype ammonia maser device was built in 1948 at NIST. Although ...
Original pendulum clock by S. Coster, after Huygens' design (1657).. Salomon Coster (c. 1620–1659) was a Dutch clockmaker of the Hague, who in 1657 was the first to make a pendulum clock, which had been invented by Dutch mathematician Christiaan Huygens (1629-1695).
An analog pendulum clock made around 18th century. A clock or chronometer is a device that measures and displays time.The clock is one of the oldest human inventions, meeting the need to measure intervals of time shorter than the natural units such as the day, the lunar month, and the year.
Royal Observatory, Greenwich, London.Installed in 1833, a time ball sits atop the Octagon Room. A time ball or timeball is a time-signalling device. It consists of a large, painted wooden or metal ball that is dropped at a predetermined time, principally to enable navigators aboard ships offshore to verify the setting of their marine chronometers.
The fusee, the other mainspring compensation device, was much more efficient. [10] The only advantages of the stackfreed were that it was easier to make and much thinner than the fusee, [ 8 ] [ 10 ] which, combined with the fact that it was located in unused space on the outside of the back plate, allowed stackfreed watches to be flatter. [ 4 ]