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Could you use a harmonic of a microwave freq, in visible light, to cause beat interference. Eg, using a known peak wavelength of microwave of very low power and a laser at very close not not exact f4 harmonic to set up a beat wave patterns. Then use the pattern to gain information about the...

So today out of no where, with no setting changed I have noticed things like, when I click a spell check option the add on the other side gets clicked or when I click on my clock it sometimes closes the window as soon as it opens, is my mouse failing? Eg. I missed spelled a word, the drop down...

do your friends list easy to visual optic junk and then "demand you find it in a time limit or have bad luck" this is how I reply to them "if ZN+XT = TZ and ZV x ZR = ZJR what is Z+Z? you have 3 min to find the solution or risk being hit by a comet."

a quick question, did a quick search and did not find much, but why is the model for a hydrogen atom's electron "probability cloud" at different energy states, the same a the profile for a Gaussian mode profile for a laser? Just something that's been bugging me for a bit, I figure this would be...

I wont go into the math and the jargon, but I have a wondering if light though any method, would lose energy during extreme distance of say 100 light years, if so the implications would be huge, light could be dark energy, it could also be that we are not in an expanding universe but the red...

ok I am working on a project I will show the build when I am finished but, will need a laser beam that is clearly visible though 30% mirror tint form the non polarized side. IE its type of infinity mirror set up that uses a simple one sided mirror but need the light of the beam itself to be...

so, my batteries drained like normal, I put a fresh pair in my laser from the charger, and nothing but a dull blue led. Charged up my old batteries and put them in same thing, I left the batts in the laser for about 1 hour and came back, it worked!. I checked my batts on my DMM they are...

Hello all, I live in central TX area, and am kinda retired looking for a hobby allot earlier than expected. My other hobbies include electronics, avionics, building pc systems and guitar, I hope to build a machine shop one day but my funds prohibit this at present. I must say I have been into...