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The Globe included mechanisms to show the annual movement of the Sun and to drive a "world clock" that indicated where on Earth it was midday or midnight. The Globe was driven, either by water power from the basement to make one turn in 24 hours, or manually by the occupant of the Globe to accelerate the otherwise imperceptible motion.
Jagiellonian globe. The Jagiellonian globe, also known as the Globus Jagellonicus, is a mechanical armillary sphere made in France before 1510. It is an astronomical instrument and a universal clock tracking both local solar time and sidereal time. The central brass sphere is engraved with a map of Earth and contains the clock mechanism.
Earth's rotation is slowing slightly with time; thus, a day was shorter in the past. This is due to the tidal effects the Moon has on Earth's rotation. Atomic clocks show that the modern day is longer by about 1.7 milliseconds than a century ago, [1] slowly increasing the rate at which UTC is adjusted by leap seconds.
The clockwork universe is a concept which compares the universe to a mechanical clock. It continues ticking along, as a perfect machine, with its gears governed by the laws of physics, making every aspect of the machine predictable. It evolved during the Enlightenment in parallel with the emergence of Newton's laws governing motion and gravity.
The viewer may read the time by seeing what number the time zone's arrow is currently pointing to. The map is backlit, and a mechanism behind the map defines well-lit and shaded areas that are also stationary relative to the movement of the map. In this way, as time progresses, different areas are shown to be experiencing daytime and night.
The ident itself was modified with the caption beneath showing a BBC corporate logo, with the slanted legend 'World Service Television' beneath, in the same style as used for regional variations of the BBC1 ident at the time. No clock accompanied the look, due to the various time zones used around the world, with serious or news programming ...
The globe was built with a scale of 1:1,000,000, on which one inch represents sixteen miles (1mm = 1km). [ 3 ] [ 4 ] As with most globes, it is mounted at a 23.5 degree angle, the same axial tilt as the Earth itself; thus the equator is diagonal to the floor.
A torsion pendulum clock, more commonly known as an anniversary clock or 400-day clock, is a mechanical clock which keeps time with a mechanism called a torsion pendulum. This is a weighted disk or wheel, often a decorative wheel with three or four chrome balls on ornate spokes, suspended by a thin wire or ribbon called a torsion spring (also ...
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