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The larger ion lasers use a cylindrical electromagnet around the bore that "squeezes" the plasma along the length of the bore, decreasing its volume, which increases the energy density (and hence output), and greatly assists in keeping the plasma away from the bore walls, reducing erosive...

Brown, light-wise, is orange viewed at low intensity, or in contrast against a brighter background, for example a dim orange area against a bright white field will be perceived as brown- a trick of perception. Several years ago a friend of mine told me about an experiment that was done in...

Bakersfield, California (roughly 120 moles north of Los Angeles). Anyone close?

Bakersfield, California, about 120 miles north of L.A. Anyone else in or near (50 mile radius of) this area? Ragnarok

Anyone who's ever done a group buy - for anything - soon finds out that it is pretty much a labor of love. I know the feeling! ;D You're doing fine, Senkat! :)

It depends on the club; The PGI (Pyrotechnics Guild International) has provisions for those under 18 uears of age to join, but a parent still has to sign off on it: "Applicants must be 18 years of age or older. Within this level there is an additional option open to members of a household where...

I LOVE HV stuff!! 8-) ;D Here is a link to a Myspace video of friend Tony taking arcs from my Tesla coil to a fluorescent lamp while - and this is extremelu important - standing on an insulated platform well off the ground.. Otherwise it could deliver a potentially fatal shock...

Hey, if it lights up or blows up it has my attention. ;D WPA member; I highly recommend joining a fireworks club, and going to their events, for those who haven't already. It's sp cool to be able to do your own thing and learn more along with a bunch of other like-minded people. :o 8-) ;D

I'll be sending you an MO for ten of those puppies tomorrow. 8-)

BWAHAHAHAHAAAA! Now, THAT's how things are SUPPOSED to be!! Justuce served up home style!! :) :) :)

It is possible to make white light with only two complementary colors, perhaps more economically than with RGB. Pumped-fiber laser designs might also be good candidates for a white pointer.

No problemo, I may be on vacation anyway when the lasers would arrive here (dagnabit). To me lasers are secondary to important family matters. Do what you need to do, and I will keep you and yours in prayer. Loss? Only a temporary loss of contact here in this time. Keep the biggest picture in...

That reminded me of this painting by Louis Wain - I think it's called "Summer cat":

I messaged a couple friends about this deal, they may chime in too. Sweeeeet! Thank you, Senkat! :)

Well, if you consider $300 or so for 500mW of 632nm red to be a decent price, you mught consider these, but they hava a minumum order requirement of 10 pieces. http://www.diytrade.com/directory/global/buy/products/2529237/635nm_500mw_High_power_red_laser_diode.html :

440 blue - ah, I can almost taste it. I know what that color is, and I wish they'd come out wiith those diodes soon!! :P (slobber)

Dang, that's a nice price. I've been waiting for a good deal on a "Big Red" for a long time. Are you SURE you can't/won't accept even US Postal money orders? Otherwise I will have to get a Paypal up and running to do this, and I really don't want or need a Paypal account. :-? Whichever way it...

GEEZ. I probably couldn't fly one of those things in level flight, much less do that!! :o

Re: High Power/Common Color vs. Low Power/Rare Col My quandary is that I like ANY visible laser color! ;D It is unfortunate that colors other than red and green are so much more expensive per mW. I also think that red is underrated, maybe because of the ubiquitous nature of low-power red...

I've always wanted a really high power red, but the greens seem to be hogging that spot in the market amd no one but Glowtorch seems to be stepping up to the plate. Guess it's up to us to build our own. I'd definitely be interested in some reasonably priced reds in that power range - especially...