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Neon sign. The neon sign is an evolution of the earlier Geissler tube, [11] which is a sealed glass tube containing a "rarefied" gas (the gas pressure in the tube is well below atmospheric pressure). When a voltage is applied to electrodes inserted through the glass, an electrical glow discharge results.
The PLATO system was launched in 1960 at the University of Illinois and subsequently commercially marketed by Control Data Corporation.It offered early forms of social media features with innovations such as Notes, PLATO's message-forum application; TERM-talk, its instant-messaging feature; Talkomatic, perhaps the first online chat room; News Report, a crowdsourced online newspaper, and blog ...
Piccadilly Circus, London, 1962. Neon lighting consists of brightly glowing, electrified glass tubes or bulbs that contain rarefied neon or other gases. Neon lights are a type of cold cathode gas-discharge light. A neon tube is a sealed glass tube with a metal electrode at each end, filled with one of a number of gases at low pressure.
Jennifer Lopez just posted rare photos of her kids, Emme and Max (or her Coconuts, as she likes to call them), and they're basically her little mini-mes. On Sunday, the 55-year-old singer posted ...
t. e. Instagram[ a] is a photo and video sharing social networking service owned by Meta Platforms. It allows users to upload media that can be edited with filters, be organized by hashtags, and be associated with a location via geographical tagging. Posts can be shared publicly or with preapproved followers.
Signage. The "Welcome to Fabulous Las Vegas" sign, just to the south of the Las Vegas Strip. Driver location sign used in England to assist drivers when contacting emergency services. Signage is the design or use of signs and symbols to communicate a message. [ 1][ 2] Signage also means signs collectively or being considered as a group. [ 3]
The most followed person is Portuguese footballer Cristiano Ronaldo, and the most followed woman is American singer-actress Selena Gomez . Instagram 's own account is the most-followed on the platform with 675 million followers, as well as the most-followed corporate account. Cristiano Ronaldo is the most-followed individual user and ...
A neon-sign transformer ( NST) is a transformer made for the purpose of powering a neon sign. They convert mains voltage in the range 120-347 V up to high voltages, in the range of 2 to 15 kV. These transformers supply between 18-30 mA; 60 mA on special order. [1] The high-voltage electricity produced is used to excite neon or other gases are ...