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Episode 1138             Episode 1140
Episode 1139

JT-60
Tue, 2020-Jun-16 00:20 UTC
Length - 2:42

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Welcome to random Wiki of the Day where we read the summary of a random Wikipedia page every day.

The random article for Tuesday, 16 June 2020 is JT-60.

JT-60 (short for Japan Torus-60) is a large research tokamak, the flagship of Japan's magnetic fusion program, previously run by the Japan Atomic Energy Research Institute (JAERI) and currently run by the Japan Atomic Energy Agency's (JAEA) Naka Fusion Institute in Ibaraki Prefecture. It is properly an advanced tokamak, including a D-shaped plasma cross-section and active feedback control.

First designed in the 1970s as the "Breakeven Plasma Test Facility" (BPTF), the goal of the system was to reach breakeven, a goal also set for the US's TFTR, the UK's JET and the Soviet T-15. JT-60 began operations in 1985, and like the TFTR and JET that began operations only shortly before it, JT-60 demonstrated performance far below predictions.

Over the next two decades, JET and JT-60 led the effort to regain the performance originally expected of these machines. JT-60 underwent two major modifications during this time, producing JT-60A, and then JT-60U (for "upgrade"). These changes resulted in significant improvements in plasma performance. As of 2018, JT-60 currently holds the record for the highest value of the fusion triple product achieved: 1.77×1028 K·s·m−3 = 1.53×1021 keV·s·m−3.

This recording reflects the Wikipedia text as of 00:20 UTC on Tuesday, 16 June 2020.

For the full current version of the article, see JT-60 on Wikipedia.

This podcast is produced by Abulsme Productions based on Wikipedia content and is released under a Creative Commons Attribution-ShareAlike License.

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This has been Kendra. Thank you for listening to random Wiki of the Day.

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