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It is post No. 27
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http://thepolywellblog.blogspot.com/201 ... oneer.html
This post looks at the constraints, technology and organizations involved in fusion
power. The failure to get ignition at NIF is connected to compression, laser-plasma
interactions, fuel mix and errors in measurement and experiments. NIF will slowly
decline making a shift in research, not seen in decades. Ion beams and excess
electrons are discussed as a method for ion injection and well preservation in
polywells. The Lawson criterion points to net power by raising fusion and efficiency and
lowering conduction and radiation losses. An argument that radiation losses in the polywell
were overestimated is discussed. A 48% energy capture experiment using direct
conversion is summarized.
Technology is covered, starting with the first fusion machine in 1958. Early
magnetic ideas including mirrors, biconic cusps, picket fences and rings are reviewed
and connected to the polywell. Biconic cusp work reveals three electrons types which
may also exist in polywells. The history of electrostatic machines is covered including
Elmore-Tuck-Watson, fusors and polywells. Issues common to these machines: cloud
structure, angular momentum, uniform convergence and modes of operation
emerge. Polywell mechanism is illustrated and fusion with ion beams is mentioned.
Three organizations to realize fusion are contrasted: public bureaucracies,
individual innovators and amateur communities. Fusion is unfit for government
bureaucracy because it needs cognitive work, has no deadline, disrupts markets, is
considered impossible and has no war driving it. Bureaucratic strengths and weakness
are discussed. Solo innovators add vision and speed but suffer risk, poverty and
alienation by society. The homebrew computer club is examined as an amateur
community; it is compared with today's fusion communities. Amateur communities
makes markets and acceptance for a new technology. Finally, a desktop polywell is
If polywell fusion is developed, in what ways will the world change for better or worse? Discuss.
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