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Re:A Practical Guide to Lasers for Experimenters and Hobbyists by sbierwagen on Thursday May 19, 2016 @12:18PM (#11731314)
Sam's Laser FAQ! Ah, the hours I spent reading through this when I was younger.
Re:A Practical Guide to Lasers for Experimenters and Hobbyists by HeyLaughingBoy on Thursday May 19, 2016 @01:23PM (#11731856)
I have to admit I look back at sci.electronics.* and comp.robotics with a lot of fondness.
Re:A Practical Guide to Lasers for Experimenters and Hobbyists by drauh on Friday May 20, 2016 @02:01AM (#11735798)
Re:A Practical Guide to Lasers for Experimenters and Hobbyists by LeifCarrotson on Thursday May 19, 2016 @12:29PM (#11731392)
There have been many developments in laser technology and many updates to the page since then - check the version history (unfortunately missing dates) and you may spend a few more hours!

http://www.repairfaq.org/sam/lasersam.htm#samver

Re:A Practical Guide to Lasers for Experimenters and Hobbyists by weinzierl on Thursday May 19, 2016 @02:21PM (#11732398)
Lasers and the "Holography Handbook: Making Holograms the easy way". It had xkcd style drawings back in the 80s.
Re:A Practical Guide to Lasers for Experimenters and Hobbyists by GregBuchholz on Thursday May 19, 2016 @03:17PM (#11732918)
Except we called them "Forrest M. Mims" style drawings back then.

https://www.google.com/search?q=forrest+m+mims&source=lnms&t...

Re:A Practical Guide to Lasers for Experimenters and Hobbyists by Florin_Andrei on Thursday May 19, 2016 @01:26PM (#11731886)
I've spent time on Sam's FAQ even when I was somewhat older. :)