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Farming is the main business in Iowa. It is rolling hills in the east and flat in the west. Iowans tend to be very down-to-earth, and easy going. The largest cities are located along I-80 the main highway through Iowa. Fortunately, it is only about 150km from Des Moines. Your friend will do fine...

Sorry to hear of this Dave. Let me know what I can do to help. (You know, a .45 for retribution, my old M-9 bayonet for up close and personal satisfaction.) Sorry, cannot offer a specific course of action on an electronic medium.

Umm, have you talked with the customs department? Perhaps they could shed some light on the subject. If not, perhaps they might open an investigation into the theft if that is the case.

Sorry just trying to help you out. Your Class IIIb labels have the Class IIIa warning statement on them. Class IIIb should state, per FDA requirements, AVOID DIRECT EXPOSURE TO BEAM.

My absolutely favorite war movies are the films where the plot just happens to be set in war. The original MASH (Gould, Sutherland, Skerritt) is an example of this. One of my all time favorites is The Dirty Dozen with Lee Marvin. Sure the last half is about executing the skills learned in the...

What do you use to print them? Is it a standard color laser printer? Also here is the appropriate text for the various laser classes CLASS II - Caution / Laser Radiation / DO NOT STARE INTO BEAM / CLASS II Laser Product CLASS IIIa - Caution / laser Radiation / DO NOT STARE INTO BEAM OR VIEW...

The mode and ratings are the CE certification information. D = Continuous Wave lasers (>0.25 sec) I = Pulsed lasers (1us - 0.25 sec) R = Short pulsed mode (1ns - 1us) M = mode locked lasers (<1ns pulse) L1-L10 is the OD, L1 is OD1, L10 is OD10

Black holes are actually very well understood. Basic calculus provides the necessary mathematics to calculate the Schwarzschild radius of any given black hole mass. There are other relativistic conditions that must be accounted for such as frame dragging in a rapidly rotating black hole but it...

w0 is the beam waist radius. The waist size is a function of the hemispherical OC mirror (and HR if it is not flat) and the resonator length, and is located within the resonator. It is used to determine the active area of the resonator which is directly related to the number of transverse...

The carrier sits in the middle of the battle group. If a lighthouse is asking a carrier to divert course then the cruisers and destroyers out front would have already hit the light house. The E-2 Hawkeye radar planes (looks like propeller driven AWACS) would have known about it long before the...

Probably a Helium Neon based on the brick type power supply taped to it and the tube.

South Park Episode: Two Days Before the Day After Tomorrow

This tube is 1250mm by like 54mm. The tubes delivered today are not mine. One is going to a customer and the other is going into inventory. They will still need to be tested, however.

I knew CO2 tubes were big but somehow I didn't think in my mind that a 60W tube was this big (4ft tube).

Here's an absorption/transmission chart for skin: http://deviantphoton.com/opticalsafety/30-the-effects-of-laser-exposure-on-the-skin

I just ran the beam through a prism and there are 5 lines oscillating at idle

the ML in the designation is multi line but at idle the only line resonating is the 488nm line. When I crank up the amperage it'll put out more lines.

Here's the first coherent light from a JDSU 2214-40MLA argon laser I pulled from a PerkinElmer 377 96-Lane DNA sequencer. Here is the power supply for the system. This is not the original power supply that came with the sequencer. This one runs natively on 110VAC: If you want to run one of...

Hey, I need the expertise of you argon guys. I'm about to fire up a JDSU 2114ML but I don't have the cooling fan available for use at this time. My goal is just to get the tube to light and see that it works. Can I fire up the unit without the forced air from the cooling fan?

Do you know the output power rating of the tube? If not how long is the tube and how wide is it?