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Interstellar travel is the hypothetical travel of spacecraft from one star system, solitary star, or planetary system to another. Interstellar travel is expected to prove much more difficult than interplanetary spaceflight due to the vast difference in the scale of the involved distances. Whereas the distance between any two planets in the ...
Parts of a driver's work day are defined in four terms: On-duty time, off-duty time, driving time, and sleeper berth time.. FMCSA regulation §395.2 states: [5]. On-duty time is all time from when a driver begins to work or is required to be in readiness to work until the driver is relieved from work and all responsibility for performing work.
An isochrone (iso = equal, chrone = time) is defined as "a line drawn on a map connecting points at which something occurs or arrives at the same time". [ 2] In hydrology and transportation planning isochrone maps are commonly used to depict areas of equal travel time. The term is also used in cardiology [ 3][ 4][ 5] as a tool to visually ...
A radar-based traffic counter (about 2/3 of the way up the pole) powered by a solar panel (near top of pole). A traffic counter is a device, often electronic in nature, used to count, classify, and/or measure the speed of vehicular traffic passing along a given roadway. The device is usually deployed in near proximity to the roadway and uses an ...
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Count data is also captured from mapping software developed by the project. Mapping captures the line of travel for each route, plus the distances of mailstops, mailboxes and direct door delivery stops associated with each customer address. These mapped locations are used to calculate walking and driving distances. [12]
Warp drive, or a drive enabling space warp, is one of several ways of travelling through space found in science fiction.[3] It has been often discussed as being conceptually similar to hyperspace. [3][4]: 238–239 A warp drive is a device that distorts the shape of the space-time continuum. [5]: 142 A spacecraft equipped with a warp drive may ...
Space travel under constant acceleration is a hypothetical method of space travel that involves the use of a propulsion system that generates a constant acceleration rather than the short, impulsive thrusts produced by traditional chemical rockets. For the first half of the journey the propulsion system would constantly accelerate the ...