Thank you for this Ignition pdf link. Looks interesting. The frontipiece image identifies `Mach diamonds'. I said to myself its time to find out just what are t

Thank you for this Ignition pdf link. Looks interesting. The frontipiece image identifies `Mach diamonds'. I said to myself its time to find out just what are those beats anyways, having just now viewed the Proton catastrophe video. Mach diamonds: http://en.wikipedia.org/wiki/Mach_diamonds http://en.wikipedia.org/wiki/Mach_diamonds