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Re: [linux_var] fusione nucleare
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- Subject: Re: [linux_var] fusione nucleare
- From: Gabriele Biucchi <gbiucchi@yahoo.de>
- Date: Tue, 16 Jul 2013 10:12:17 +0100 (BST)
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.148.557|Date:=20Tue,=2016=20Jul=202013=2010:12:17=20+0100=20(BST) |From:=20Gabriele=20Biucchi=20<gbiucchi@yahoo.de>|To:=20linux_var= 20-=20LUG=20di=20Varese=20e=20Provincia=20Mailing=20List=20<talkin g@ml.linuxvar.it>|In-Reply-To:=20<1373908212.1795.10.camel@localho st.localdomain>|MIME-Version:=201.0|Subject:=20Re:=20[linux_var]=2 0fusione=20nucleare|X-BeenThere:=20talking@ml.linuxvar.it|X-Mailma n-Version:=202.1.13|Precedence:=20list|Reply-To:=20linux_var=20-=2 0LUG=20di=20Varese=20e=20Provincia=20Mailing=20List=0D=0A=09<talki ng@ml.linuxvar.it>|List-Id:=20linux_var=20-=20LUG=20di=20Varese=20 e=20Provincia=20Mailing=20List=0D=0A=09<talking.ml.linuxvar.it>|Li st-Unsubscribe:=20<http://ml.linuxvar.it/cgi-bin/mailman/options/t alking>,=0D=0A=09<mailto:talking-request@ml.linuxvar.it?subject=3D unsubscribe>|List-Archive:=20<http://ml.linuxvar.it/pipermail/talk ing>|List-Post:=20<mailto:talking@ml.linuxvar.it>|List-Help:=20<ma 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Ciao
--------------------------------------------
Luca Mastrobuono <luca-mastro@libero.it> schrieb am Mo, 15.7.2013:
> ho seguito sia il post sul riciclo dei pannelli solari (e ho trovato
> qualcosa di buono), di fusione a freddo se ne parla da parecchio
I link che ho postato si riferiscono in realta' alla fusione "calda": non si tratta ovviamente di un reattore a fusione completo, ma di un piu' semplice "Farnsworth–Hirsch fusor" (http://en.wikipedia.org/wiki/Fusor).
Invece, le ricerche di un reattore a fusione (calda) _controllata_ si concentrano attorno al progetto ITER (http://en.wikipedia.org/wiki/Iter), che si trova vicino a Marsiglia.
L'argomento puo' sembrare OT, ma il seminario in cui si e' tenuto il talk si intitolava:
"Exceptionally Hard & Soft Meeting exploring the frontiers of open source and DIY"
e ha trattato anche di open hardware e di GSM stack.
Comunque, la fusione nucleare e' un processo fisico completamente diverso rispetto alla fissione nucleare: per semplificare TANTO, la funzione nucleare funziona con deuterio (sostanza stabile e gia' presente in natura) e trizio (sostanza radiottiva con tempo di dimezzamento di 12 anni) e le scorie sono fatte di elio4 (quello usato per i palloncini).
La fissione nucleare (quella usata nelle centrali gia' esistenti, di qualunque generazione si parli) funziona invece con uranio235 (sostanza radiottiva con tempo di dimezzamento di 703.8 milioni di anni) e tra le scorie c'e' il plutonio239 (sostanza radiottiva con tempo di dimezzamento di 24100 anni).
Ma so che in lista c'e' almeno un esperto di energia nucleare e mi scuso con lui per la semplificazione.
Ciao,
Gabriele
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