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  2. Cavity magnetron - Wikipedia

    en.wikipedia.org/wiki/Cavity_magnetron

    The cavity magnetron is a high-power vacuum tube used in early radar systems and subsequently in microwave ovens and in linear particle accelerators. A cavity magnetron generates microwaves using the interaction of a stream of electrons with a magnetic field, while moving past a series of cavity resonators, which are small, open cavities in a ...

  3. Vibrating-sample magnetometer - Wikipedia

    en.wikipedia.org/wiki/Vibrating-sample_magnetometer

    However, N and A are often unnecessary if the VSM is properly calibrated. [7] By varying the strength of the electromagnet through computer software, the external field is sweeped from high to low and back to high. [7] Typically this is automated through a computer process and a cycle of data is printed out.

  4. Therac-25 - Wikipedia

    en.wikipedia.org/wiki/Therac-25

    The hardware provided no way for the software to verify that sensors were working correctly. The table-position system was the first implicated in Therac-25's failures; the manufacturer revised it with redundant switches to cross-check their operation.

  5. Klystron - Wikipedia

    en.wikipedia.org/wiki/Klystron

    The work of physicist W. W. Hansen was instrumental in the development of the klystron and was cited by the Varian brothers in their 1939 paper. His resonator analysis, which dealt with the problem of accelerating electrons toward a target, could be used just as well to decelerate electrons (i.e., transfer their kinetic energy to RF energy in a ...

  6. Gyrotron - Wikipedia

    en.wikipedia.org/wiki/Gyrotron

    High-power 140 GHz gyrotron for plasma heating in the Wendelstein 7-X fusion experiment, Germany.. A gyrotron is a class of high-power linear-beam vacuum tubes that generates millimeter-wave electromagnetic waves by the cyclotron resonance of electrons in a strong magnetic field.

  7. Magnet motor - Wikipedia

    en.wikipedia.org/wiki/Magnet_motor

    Addressing the question, why the magnet motor is still not adopted by the industry, despite its supposedly great potential, conspiracy theories are put forward: Magnet motors would provide free energy for everyone, harm the existing energy industry, and would thus be suppressed.

  8. Magnetron - Wikipedia

    en.wikipedia.org/?title=Magnetron&redirect=no

    From a short name: This is a redirect from a title that is a shortened form of a more complete page title, such as a person's full name or the unbroken title of a written work. Use this rcat (not {{R from initialism}} nor {{R from abbreviation}}) to tag redirects that are the initials of a person's name.

  9. Fourier-transform ion cyclotron resonance - Wikipedia

    en.wikipedia.org/wiki/Fourier-transform_ion...

    The electric field and the resulting axial harmonic motion reduces the cyclotron frequency and introduces a second radial motion called magnetron motion that occurs at the magnetron frequency. The cyclotron motion is still the frequency being used, but the relationship above is not exact due to this phenomenon.