In reply to Michel Jullian's message of Sat, 5 Dec 2009 11:02:45 +0100: Hi, [snip] >For instance, the laser >welding nuclear fusion used by Arata and Zhang was only >300 watts and generated about 1019 to 1020 particles per 10 >seconds.
...as I believe I have pointed out previously, this has to be wrong. 1E19 particles / 10 sec = 1E18 / sec. which in turn represents 1E18 reactions / sec. If we assume a very modest 1 MeV / nuclear reaction, this equates to a power of 160 kW, which I very strongly doubt actually happened. Regards, Robin van Spaandonk http://rvanspaa.freehostia.com/Project.html