[Lex Computer & Tech Group/LCTG] Fusion

[L Wittig]

I watched Rein’s presentation (not the Q&A).  He spent a fair amount of
time talking about how plentiful and cheap deuterium is. Indeed you can get
it from water by simple electrolysis. It could hardly be any cheaper. But
he didn't talk about tritium, which is more complicated.  If you wanted to
buy it it costs ~$300,000/gram and has a 12 yr half life; probably the most
expensive material on earth bar none. (
https://en.wikipedia.org/wiki/Tritium#:~:text=As%20of%202000%2C%20commercial%20demand,approximately%20US%2430%2C000%20per%20gram.
) The cost is high because it is a byproduct of breeder reactors. HOWEVER
for use for fusion it can be breed inside the reactor by bombardment of
beryllium and lithium. Fortunity, there is a lot of research on this
(MIT/CFS don't have to develop it.) It does mean you need to procure
beryllium and lithium which is a more expensive process than  procuring
deuterium. Beryllium and lithium blankets for fusion reactors are discussed
here starting about one-fourth of the way down:
https://www.fusion.qst.go.jp/rokkasyo/en/project/blanket.html
[image: image.png]


On Thu, Mar 24, 2022 at 8:14 AM john rudy <jjrudy1 at comcast.net> wrote:

> 85 minutes
>
>
>
> John Rudy
>
> 781-861-0402
>
> 781-718-8334 (cell)
>
> John.rudy at alum.mit.edu
>
>
>
> 13 Hawthorne Lane
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> Bedford, MA  01730-1047
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>
> *From:* Robert Primak <bobprimak at yahoo.com>
> *Sent:* Thursday, March 24, 2022 6:03 AM
> *To:* Lex Computer Group <lctg at lists.toku.us>; john rudy <
> jjrudy1 at comcast.net>
> *Subject:* Re: [Lex Computer & Tech Group/LCTG] Fusion
>
>
>
> We haven't had a session on fusion in awhile. Would this update take a
> whole session? Are there any other items to group with this topic?
>
>
>
> -- Bob Primak
>
>
>
>
>
> On Wednesday, March 23, 2022, 07:55:22 PM EDT, john rudy <
> jjrudy1 at comcast.net> wrote:
>
>
>
>
>
> Here is Rein’s recent Fusion talk.  It is fascinating.  Start at about 7
> mins after the stuff dealing with my class and out reunion
>
> John
>
>
>
>
> https://1967.alumclass.mit.edu/s/1314/2015/club-class-main.aspx?sid=1314&gid=58&pgid=60177
>
>
>
> John Rudy
>
> 781-861-0402
>
> 781-718-8334 (cell)
>
> John.rudy at alum.mit.edu
>
>
>
> 13 Hawthorne Lane
>
> Bedford, MA  01730-1047
>
>
>
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