On a sunny day (Fri, 19 Dec 2014 12:44:48 -0800 (PST)) it happened Lasse Langwadt Christensen wrote in :
It is fair to say that I also ordered this:
formatting link
Safety I have some Xperience with helium neon laser reflecting to my eye. (They are still looking for that alien space craft ??/ :-) These diodes are easier to modulate.
google changes a lot of things in this world, education, research. LOL