• Thumbnail for Theta pinch
    Theta-pinch, or θ-pinch, is a type of fusion power reactor design. The name refers to the configuration of currents used to confine the plasma fuel in...
    37 KB (5,480 words) - 17:22, 17 July 2025
  • Thumbnail for Pinch (plasma physics)
    Screw pinch – A combination of a Z-pinch and theta pinch (also called a stabilized Z-pinch, or θ-Z pinch) Reversed field pinch or toroidal pinch – This...
    39 KB (4,614 words) - 21:12, 13 June 2025
  • Thumbnail for Z-pinch
    pinch (after Willard Harrison Bennett), but the introduction of the θ-pinch (theta pinch) concept led to the need for clearer, more precise terminology. The...
    14 KB (1,740 words) - 09:19, 31 May 2024
  • Thumbnail for Field-reversed configuration
    The FRC was first observed in laboratories in the late 1950s during theta pinch experiments with a reversed background magnetic field. The original idea...
    32 KB (2,914 words) - 05:08, 8 July 2025
  • Thumbnail for Fusion power
    in the theta direction. This induces a magnetic field running down the center of the plasma, as opposed to around it. The early theta-pinch device Scylla...
    220 KB (22,889 words) - 10:13, 25 July 2025
  • Thumbnail for Spheromak
    the wall. However, the theta-pinch failed to reach the high-energy conditions needed for fusion, and most work on theta-pinch had ended by the 1970s....
    26 KB (3,337 words) - 13:56, 1 February 2025
  • thesis, An Investigation Of Anomalous Scattering Of Laser Radiation By A Theta-pinch Plasma, in 1977. Ng was a postdoctoral researcher at University of Alberta...
    3 KB (203 words) - 21:40, 22 July 2025
  • Thumbnail for List of fusion experiments
    25 MA, predecessor to the first tokamak (1955, USSR) Trisops – 2 facing theta-pinch guns FF-2B, Lawrenceville Plasma Physics, United States Levitated Dipole...
    97 KB (3,394 words) - 17:34, 22 July 2025
  • working fusion reactor. 1939 Peter Thonemann develops a detailed plan for a pinch device, but is told to do other work for his thesis. Hans Bethe publishes...
    64 KB (7,451 words) - 05:26, 15 July 2025
  • Z-pinch devices had largely ended, although some research continued on the related theta-pinch concept. Tuck never restricted himself to the pinch concept...
    9 KB (1,192 words) - 02:43, 16 March 2025
  • Thumbnail for Magnetic confinement fusion
    fired two theta-pinch rings towards each other.) Some more novel configurations produced in toroidal machines are the reversed field pinch and the Levitated...
    43 KB (4,491 words) - 10:03, 30 June 2025
  • the public was given its first fusion demonstration. The device was a Theta-pinch from General Electric. This was similar to the Scylla machine developed...
    88 KB (9,719 words) - 23:39, 17 July 2025
  • could operate. However, the LSX used a method of forming FRCs called a theta-pinch, which does not allow FRCs to be further sustained and heated. The US...
    3 KB (365 words) - 18:53, 2 June 2023
  • Thumbnail for James Benford
    2022-01-12. Benford, J. N. (1970). "Rotation in the Implosion Phase of a Theta Pinch" (Ph.D. dissertation). University of California at San Diego: 1. {{cite...
    25 KB (2,276 words) - 05:25, 12 July 2025
  • the LSX experiment formed FRCs in a power-hungry, violent way called a theta-pinch. The US Department of Energy funded the Translation Confinement Sustainment...
    8 KB (1,016 words) - 10:33, 12 December 2023
  • Thumbnail for Dynomak
    1, 1960). "Evidence for the Containment of a Hot, Dense Plasma in a Theta Pinch". Physical Review Letters. 5 (7): 297–300. doi:10.1103/PhysRevLett.5...
    16 KB (2,052 words) - 03:29, 31 July 2024
  • plasma with a null toroid, firstly, is generally produced by prolate-theta-pinches with the necessarily existing field condition where the field magnetic...
    4 KB (500 words) - 14:16, 20 January 2025
  • they had recently constructed for a larger pinch machine, in July 1958 they also suggested building a theta pinch system they called a thetatron. Harwell...
    23 KB (3,557 words) - 17:51, 25 July 2025
  • Thumbnail for Klein bottle
    {\begin{aligned}x(\theta ,\varphi )&=(R+r\cos \theta )\cos {\varphi }\\y(\theta ,\varphi )&=(R+r\cos \theta )\sin {\varphi }\\z(\theta ,\varphi )&=r\sin \theta \cos...
    20 KB (2,874 words) - 14:38, 22 June 2025
  • Thumbnail for Squeeze theorem
    ^{2}\theta \,\Delta \theta }{2}}\leq {\frac {\tan(\theta +\Delta \theta )-\tan \theta }{2}}\leq {\frac {\sec ^{2}(\theta +\Delta \theta )\,\Delta \theta }{2}}}...
    11 KB (1,752 words) - 14:19, 8 July 2025
  • of Fluids 20.8 (1977): 1289–1295. Weitzner, Harold. "End loss from a theta pinch." The Physics of Fluids 20.3 (1977): 384–389. Weitzner, Harold, and Donald...
    12 KB (1,569 words) - 05:28, 29 January 2025
  • Thumbnail for Roman surface
    {\displaystyle x=r^{2}\cos \theta \cos \varphi \sin \varphi } y = r 2 sin ⁡ θ cos ⁡ φ sin ⁡ φ {\displaystyle y=r^{2}\sin \theta \cos \varphi \sin \varphi...
    15 KB (2,751 words) - 03:47, 5 March 2025
  • Thumbnail for Linus (fusion experiment)
    experiments and many later devices. The liner was driven inward through the theta pinch process, using a 50 kJ capacitor bank. A.E. Robson and P.J. Turchi joined...
    20 KB (2,696 words) - 00:44, 28 May 2025
  • Thumbnail for Tandem Mirror Experiment
    tokamaks grew larger. The two most successful designs at that time were the theta pinch and mirrors. Hirsch's assistant, Stephen O. Dean, visited LLNL and told...
    21 KB (2,970 words) - 06:25, 28 May 2025
  • Thumbnail for Henry Hurwitz Jr.
    Nucleonics and Radiation Branch. His team of scientists used advanced theta-pinch techniques to harness fusion reactions. In 1955, a year after Fortune...
    6 KB (529 words) - 23:18, 4 May 2025
  • Thumbnail for ZETA (fusion reactor)
    experiment in the early history of fusion power research. Based on the pinch plasma confinement technique, and built at the Atomic Energy Research Establishment...
    76 KB (10,162 words) - 19:41, 20 July 2025
  • Krall and Alvin Trivelpiece, McGraw-Hill, 1973 "Effect of turbulence on theta pinch modeling by hybrid numerical models" HAMASAKI, S; KRALL, NA, Laboratory...
    5 KB (594 words) - 14:11, 10 June 2025
  • z^{2}}}\right]{\hat {\mathbf {e} }}_{\theta }.\end{aligned}}} The nature of the equilibrium, whether it be a tokamak, reversed field pinch, etc. is largely determined...
    8 KB (1,469 words) - 09:04, 3 April 2025
  • Thumbnail for Wormhole
    {\displaystyle ds^{2}=-c^{2}\,dt^{2}+d\ell ^{2}+(k^{2}+\ell ^{2})(d\theta ^{2}+\sin ^{2}\theta \,d\varphi ^{2}),} first presented by Ellis (see Ellis wormhole)...
    58 KB (7,177 words) - 00:16, 30 July 2025
  • Thumbnail for Safety factor (plasma physics)
    Martin David Kruskal and Vitaly Shafranov, who noticed that the plasma in pinch effect reactors would be stable if q was larger than 1. Macroscopically...
    8 KB (1,274 words) - 04:10, 5 April 2025