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Here's a link that is interesting Using laser pointers for voice communications

No problem Isaac. Here is a link to the album Laser Pointer Slideshow by pumpu9 | Photobucket I've uploaded the set of photos now to PB, I'll update the links as soon as my daughter stops hogging the bandwidth !!! ATB MM

Hi Isaac, I have a Pbucket account. I'll upload the full set of photos and then just have to slog through updating all the links -:cryyy: ATB MM

Photos are back ( flipin Imageshack don't do a free service anymore) I'll re-host the picks on another site and re do the links some time. Atb MM

Hi, I don't know whats happened, but I'll rehost the photos and edit the links - it will take a couple of days but I'll get the photos back :-) ATB MM

There was exactly the same discussion a while ago - The conclusion was it's more related to the "vanishing point" effect rather than layers in the atmosphere. Cypro explained it very well. ATB MM

I'm waiting for "what is the wavelength of true black" thread.... and I do hope Cyp starts another poll.

Pure yellow is the colour of your wee after drinking a pint of lemon juice - science fact ;-)

Maybe be take a step back - Perhaps it is less of a technical challenge to design a system that prevents a fixed ethernet cable / fibre optic from being snagged than designing a reliable laser link ??? ATB MM

The weight that 4 meters of gallons smells like Ahhhahahah. I need a laser to weld my sides back together - best "wavelength" poll ever :-)

Hi Camvo, It's been a while, hope you're OK and the project is going well :-) ATB MM

Hi DTR, What would be the combined output using simgle modes you sell? I have a few sets of the mechanical parts for the handheld and over the winter have a go at building another RGB Handheld using SM diodes. Thunderdome, to reverse the question, what are you willing to pay :-) ATb MM

Good try, but that sounds like an infinite extrapolation of the facts :D I'd love to hear what a physicist from CERN would make of that;) ATB MM

I am a minnow in the pool of knowledge, so I keep an open mind to things I don't have experience of or understand.....BUT, I'm having a real hard time to not to LOL at post #1 Good luck finding aliens, I hope they don't think you're trying to shoot their flying saucer down or if you do meet up...

Very nice job guys +1 +1 ATB MM

I love it CDB - Nice job combining all this into a small package and your philosophy of using standard parts. ATB MM

Helllloo, I ordered a Mits 300mw and a Opnext 120mw diodes from DTR on the 3rd July and they arrived today (standard shipping). Great service again DTR, thank you :beer: ATB MM

Maybe you can replace the red laser with a blue diode??? Usually the red laser is just a few mw used for directional pointing and a more powerful IR diode and IR RX does the actual measurement. I'm not 100% sure though???

Hi All, I guess it also boils down to weighing up the balance of what real life advantage 3rd party firmware gives over the OEM firmware and loosing the manufacturers warantee. I wouldn't do it on a meter that was under warantee. ATB MM

Hi, Do you need it to work?. i.e. actually measure or just an on set prop that emits a blue beam? If the latter is the case, just rip the guts out of a standard unit and install a blue module? ATB MM