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  2. List of random number generators - Wikipedia

    en.wikipedia.org/wiki/List_of_random_number...

    However, generally they are considerably slower (typically by a factor 2–10) than fast, non-cryptographic random number generators. These include: Stream ciphers. Popular choices are Salsa20 or ChaCha (often with the number of rounds reduced to 8 for speed), ISAAC, HC-128 and RC4. Block ciphers in counter mode.

  3. Roblox Corporation - Wikipedia

    en.wikipedia.org/wiki/Roblox_Corporation

    Roblox Corporation. Roblox Corporation ( / ˈroʊblɒks / ROH-bloks) is an American video game developer based in San Mateo, California. Founded in 2004 by David Baszucki and Erik Cassel, the company is the developer of Roblox, which was released in 2006. As of December 31, 2023, the company employs over 2,400 people. [1]

  4. Ghostbusters (franchise) - Wikipedia

    en.wikipedia.org/wiki/Ghostbusters_(franchise)

    Ghostbusters (1984) Ghostbusters, the first film in the series, is a 1984 sci-fi comedy film about three New York City scientists. After they are fired from Columbia University, they start their own business investigating and capturing ghosts. Starring Bill Murray, Dan Aykroyd, Harold Ramis, Rick Moranis, Sigourney Weaver, Annie Potts, and ...

  5. Magnetohydrodynamic generator - Wikipedia

    en.wikipedia.org/wiki/Magnetohydrodynamic_generator

    A magnetohydrodynamic generator ( MHD generator) is a magnetohydrodynamic converter that transforms thermal energy and kinetic energy directly into electricity. An MHD generator, like a conventional generator, relies on moving a conductor through a magnetic field to generate electric current. The MHD generator uses hot conductive ionized gas (a ...

  6. Radioisotope thermoelectric generator - Wikipedia

    en.wikipedia.org/wiki/Radioisotope...

    A radioisotope thermoelectric generator ( RTG, RITEG ), sometimes referred to as a radioisotope power system (RPS), is a type of nuclear battery that uses an array of thermocouples to convert the heat released by the decay of a suitable radioactive material into electricity by the Seebeck effect. This type of generator has no moving parts and ...

  7. Function generator - Wikipedia

    en.wikipedia.org/wiki/Function_generator

    Frequency stability of 0.1 percent per hour for analog generators or 500 ppm for a digital generator. Maximum sinewave distortion of about 1% (accuracy of diode shaping network) for analog generators. Arbitrary waveform generators may have distortion less than -55 dB below 50 kHz and less than -40 dB above 50 kHz.

  8. Wind turbine - Wikipedia

    en.wikipedia.org/wiki/Wind_turbine

    A wind turbine is a device that converts the kinetic energy of wind into electrical energy. As of 2020, hundreds of thousands of large turbines, in installations known as wind farms, were generating over 650 gigawatts of power, with 60 GW added each year. [1]

  9. Biden unveils $3 billion for nationwide lead pipe replacement

    www.aol.com/biden-unveils-3-billion-nationwide...

    May 2, 2024 at 6:00 PM. Pool. President Joe Biden announced Thursday $3 billion toward identifying and replacing the nation’s unsafe lead pipes, a long-sought move to improve public health and ...

  10. Industrial radiography - Wikipedia

    en.wikipedia.org/wiki/Industrial_radiography

    A portable wireless controlled battery powered X-ray generator for use in non-destructive testing and security. Gamma radiation sources, most commonly iridium-192 and cobalt-60, are used to inspect a variety of materials. The vast majority of radiography concerns the testing and grading of welds on piping, pressure vessels, high-capacity ...

  11. Hydrogen production - Wikipedia

    en.wikipedia.org/wiki/Hydrogen_production

    It is the cheapest source of industrial hydrogen, being the source of nearly 50% of the world's hydrogen. The process consists of heating the gas to 700–1,100 °C (1,300–2,000 °F) in the presence of steam over a nickel catalyst. The resulting endothermic reaction forms carbon monoxide and molecular hydrogen (H 2).