Lasers
Sam's Laser FAQ—The mother-lode of technical information concerning lasers including identifying, building, powering and repairing many kinds. It's been around for ages (the site consists primarily of hyperlinked text and looks like it hasn't changed since 1999) and there's a ton of info about gas tube lasers. If you need to know what voltage/current/ballast resistor your Eyes Blind Industries model L769 HeNe tube requires this is the first place to look.
Laser Pointer Forums—The forum for laser enthusiasts. Be sure to introduce yourself in the "Welcome" forum first or you may receive a mild chiding for not performing this reasonable formality.
Solar Astronomy
The following information is very dated
Solar Astronomy Forums
Charlie Bates' Solar Chat
Solar Yahoo Groups—search for "Lunt", "Coronado", "Solar" etc. There are several groups.
Solar astronomers
Greg Piepol—incredible photos | bio
Theo Bakalexis—solar reports from Greece-—pictures taken with a PST!
Charlie Bates' Solar Chat
Solar Yahoo Groups—search for "Lunt", "Coronado", "Solar" etc. There are several groups.
Solar astronomers
Greg Piepol—incredible photos | bio
Theo Bakalexis—solar reports from Greece-—pictures taken with a PST!
Electrostatics
Tesla Coils
More to come...
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