aids = aids
Created on: January 11th, 2008
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January 11th, 2008
(1)
dfsdf
January 11th, 2008
(1)
HELLO I AM ANGRY PERSON I AM ANGRY SHUT UP *SSH*LE IDIOT DUMBASS
January 11th, 2008
(2)
fuk u asole u hurt my eyesaZ
January 11th, 2008
(-3)
nope. no epilepsy.
January 11th, 2008
(2)
The carbon dioxide laser (CO2 laser) was one of the earliest gas lasers to be developed (invented by Kumar Patel of Bell Labs in 1964[1]), and is still one of the most useful. Carbon dioxide lasers are the highest-power continuous wave lasers that are currently available. They are also quite efficient: the ratio of output power to pump power can be as large as 20%. The CO2 laser produces a beam of infrared light with the principal wavelength bands centering around 9.4 and 10.6 micrometers.
January 11th, 2008
(2)
Because CO2 lasers operate in the infrared, special materials are necessary for their construction. Typically, the mirrors are made of coated silicon, molybdenum, or gold, while windows and lenses are made of either germanium or zinc selenide. For high power applications, gold mirrors and zinc selenide windows and lenses are preferred. Historically, lenses and windows were made out of salt (either sodium chloride or potassium chloride). While the material was inexpensive, the lenses and windows degraded slo
January 11th, 2008
(2)
The wavelength is related to the frequency by \lambda = { c \over u }. [3] The law is sometimes written in terms of the spectral energy density[4] u( u,T) = { 4 \pi \over c } I( u,T) = \frac{8\pi h u^3 }{c^3}~\frac{1}{e^{\frac{h u}{kT}}-1}, which has units of energy per unit volume per unit frequency (joule per cubic meter per hertz). Integrated over frequency, this expression yields the total energy density. The radiation field of a black body may be thought of as a photon gas, in which
January 11th, 2008
(2)
Because of the high power levels available (combined with reasonable cost for the laser), CO2 lasers are frequently used in industrial applications for cutting and welding, while lower power level lasers are used for engraving. They are also very useful in surgical procedures because water (which makes up most biological tissue) absorbs this frequency of light very well. Some examples of medical uses are laser surgery, skin resurfacing ("laser facelifts") (which essentially consist of burning the skin to pr
February 2nd, 2008
(-1)
laser
January 11th, 2008
(-2)
Thanks I just had a seizure
March 26th, 2008
(0)
January 11th, 2008
(-2)
That is not eye-friendly. With that fast of a flicker, you might want to watch where you're going.
January 11th, 2008
(2)
a
March 26th, 2008
(1)
c
April 26th, 2008
(0)
d
February 3rd, 2008
(1)
OW, dude, take the 5! HERE! TAKE IT!
March 11th, 2008
(2)
darkraven 2921-8761-4125 2921-8761-4125 2921-8761-4125 2921-8761-4125 2921-8761-4125 2921-8761-4125 2921-8761-4125 2921-8761-4125 2921-8761-4125 2921-8761-4125 2921-8761-4125 2921-8761-4125 2921-8761-4125 2921-8761-4125 2921-8761-4125 2921-8761-4125 2921-8761-4125 2921-8761-4125 2921-8761-4125 2921-8761-4125 2921-8761-4125 2921-8761-4125 2921-8761-4125 2921-8761-4125 2921-8761-4125 2921-8761-4125 2921-8761-4125 2921-8761-4125 2921-8761-4125 2921-8761-4125 2921-8761-4125 2921-8761-4125
March 11th, 2008
(3)
0430-7957-0342 0430-7957-0342 0430-7957-0342 0430-7957-0342 0430-7957-0342 0430-7957-0342 0430-7957-0342 0430-7957-0342 0430-7957-0342 0430-7957-0342 0430-7957-0342 0430-7957-0342 0430-7957-0342 0430-7957-0342 0430-7957-0342 0430-7957-0342 0430-7957-0342 0430-7957-0342 0430-7957-0342 0430-7957-0342 0430-7957-0342 0430-7957-0342 0430-7957-0342 0430-7957-0342 0430-7957-0342 0430-7957-0342 0430-7957-0342 0430-7957-0342 0430-7957-0342 0430-7957-0342 0430-7957-0342 0430-7957-0342 0430-7957-0342 0430-7957-0342 04