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These 67 different three-letter call signs are currently grouped as follows: 25 assigned only to an AM station. 8 assigned only to an FM station. 6 assigned only to a TV station. 13 assigned to both an AM and an FM station. 8 assigned to both an AM and a TV station. 7 assigned to an AM, FM, and TV station.
Traffic-sign recognition ( TSR) is a technology by which a vehicle is able to recognize the traffic signs put on the road e.g. "speed limit" or "children" or "turn ahead". This is part of the features collectively called ADAS. The technology is being developed by a variety of automotive suppliers. It uses image processing techniques to detect ...
Signs including Stop, Yield, No Turns, No Trucks, No Parking, No Stopping, Minimum Speed, Right Turn Only, Do Not Enter, Weight Limit, and Speed Limit are considered regulatory signs. Some have special shapes, such as the octagon for the Stop sign and the crossbuck for railroad crossings.
It doesn't take much to send autonomous cars crashing into each other. While car makers and regulators are mostly worried about the possibility of self-driving car hacks, University of Washington ...
Variable-message sign. Early style of VMS on the New Jersey Turnpike using neon tubes, since replaced by new LED VMS signs. It is next to a vane variable speed-limit sign. A variable- (also changeable-, [1] electronic-, or dynamic-) message sign or message board, often abbreviated VMS, VMB, CMS, or DMS, and in the UK known as a matrix sign, [2 ...
Google has updated some of its accessibility apps to add capabilities that will make them easier to use for people who need them. It has rolled out a new version of the Lookout app, which can read ...
(Amazon Kids+ is a paid service that offers unlimited access to thousands of kid-friendly books, movies, TV shows, educational apps, games, and premium kids’ skills for Alexa.) Amazon Glow is ...
The United States has 22 Air Route Traffic Control Centers (ARTCC). They are operated by and are part of the Federal Aviation Administration of the U.S. Department of Transportation. An ARTCC controls aircraft flying in a specified region of airspace, known as a flight information region (FIR), typically during the en route portion of flight.