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SCIgen is a paper generator that uses context-free grammar to randomly generate nonsense in the form of computer science research papers.Its original data source was a collection of computer science papers downloaded from CiteSeer.
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 ...
A 1 ⁄ 10 scale model of Victor 6000 at the Musée national de la Marine. Victor 6000 is a deep-water remotely operated vehicle (ROV) operated by the French Research Institute for Exploitation of the Sea (IFREMER). In service since 1999, it can reach depths up to 6,000 m (20,000 ft).
A cam follower, also known as a track follower, [1] is a specialized type of roller or needle bearing designed to follow cam lobe profiles. Cam followers come in a vast array of different configurations, however the most defining characteristic is how the cam follower mounts to its mating part; stud style cam followers use a stud while the yoke style has a hole through the middle.
Conversely, a voltage follower inserted between a small load resistance and a driving stage presents a large load to the driving stage—an advantage in coupling a voltage signal to a small load. This configuration is commonly used in the output stages of class-B and class-AB amplifiers.
Betty Botter is a tongue twister written by American author Carolyn Wells in her book "The Jingle Book" published in 1899. [1] It was originally titled The Butter Betty Bought . By the middle of the 20th century, it had become part of the Mother Goose collection of nursery rhymes.