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Plurb
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re: Fusion reactors inch toward commercialization
Plurb   12/8/2008 4:34:44 PM
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I started as a R&D Tech at Eimac/Varian on the Megawatt Project in the mid 70's and I have watched the science evolve on Fusion. We are probably a lot closer than the researchers realize as they tend to stand too close to the action. I have always wondered why the toroidal shape for confinement? It would seem that since you are using magnetic fields genereated by RF the shape could be any kind of thermos bottle. Why not cylindrical and for that reason why not set up a confinement field of standing waves like a Klystron or a Flourescent Tube?

truant
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re: Fusion reactors inch toward commercialization
truant   12/5/2008 3:35:16 PM
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The ITER is the wrong answer. It is Negative power, and there is no plan to make it Positive power. MIT is going to add megawatts to the Negative power output. Polywell is the only viable fusion solution, it holds the world's record for DD fusions/second (at 10^9) and the cost is trivial compared to the ITER. It's Great science though! Keep it up.



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As data rates begin to move beyond 25 Gbps channels, new problems arise. Getting to 50 Gbps channels might not be possible with the traditional NRZ (2-level) signaling. PAM4 lets data rates double with only a small increase in channel bandwidth by sending two bits per symbol. But, it brings new measurement and analysis problems. Signal integrity sage Ransom Stephens will explain how PAM4 differs from NRZ and what to expect in design, measurement, and signal analysis.

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