In reply to Russ George's message of Fri, 20 Jan 2017 17:40:12 -0800: Hi, [snip] >Might you provide a ref or few to the comment. " It is well known that when >you shine a laser through a plasma, you get a bench top GeV particle >accelerator." Are the necessary conditions present in Holmlid's experiment?
See also https://phys.org/news/2015-11-discovery-enable-portable-particle.html Regards, Robin van Spaandonk http://rvanspaa.freehostia.com/project.html

