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Yesterday I went to the shooting range for a regular shooting match. It struck me that that a wide open space where it is safe to shoot high power rifles with a high dirt berm around three sides would be a good place to play with powerful lasers. My shooting club has a security gate with...

The first laser I ever bought was a small greenie for outreach programs put on by the Tallahassee Astronomical Society. It allowed me to point out stars in the sky when we put on programs for the general public. I was always impressed by the Lunar Laser Ranging Experiment, but never was able...

Understand your point. I have read that a laser beam would not be visible in outer space since there are no molecules in outer space; yet the beams are visible in the Earth's atmosphere so there must be some refraction. Do you know of any examples of comparing laser beam visibility at sea...

Since fog makes a laser beam more visible I am wondering about the effect of humidity on how visible a laser beam is.

Impressive. I have made "tubes" for mounting solar filters on my telescopes out of various materials. For long term use cardboard/construction paper did not seem durable enough for me. I am wondering if some type of metal pipe, plastic pipe, or dense sheet foam would work. Also wondering...

I asked Sanwu if the set up was compatible and they said yes. I also am going to get some JL stuff and may well follow in your foot steps in adapting the light saber to other devices. Thanks for the link with all the information. I am hoping to make vids of my lasers once they arrive.

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I use paypal a lot as well, but could not find that option at Sanwu or JetLaser. Gotta say it looks like lasers are like potato chips, you can't stop at just one.

Thanks for the help

Living on a sailboat there is a constant problem with birds landing on the mast head and leaving unwanted gifts. I have seen multiple ways others have used to get rid of them. The plastic owls, or snakes, or other fake animals never seem to work and I have seen some birds actually land on...

Just ordered a Sanwu 7w with the light saber. Also got the G7 and a beam expander. I know enough to always use something like Survival Laser safety glasses with the Striker. What I don't know is if they are needed when the light saber is on the Striker. Also wondering about using the G7 and...

While my first choice is to buy stuff made in America I often find I am buying a lot of my toys (quadcopters, hexcopters, contrillers, and various electrical components) from China. So late last night I ordered a Sanwu 7w big boy laser with a G7, beam expander, adapter, and light saber. Got up...

Stuff like Amsteel and Dyneema is almost other worldly slick (not to mention weight for weight it is stronger and has less stretch than stainless steel wire) so much so that it seems like there is oil on it. I have tried ceramic knives and very expensive sewing scissors I use when repairing...

Good point. I had read here that sometimes a blue laser will not pop blue balloons as easily as black balloons but sorta forgot it. I was using one of the plasma cigar lighters to cut the rope but it simply was not big enough to cut/seize anything bigger that maybe 1/4 inch. I am guessing I...

I am a sailor who cruises on my 42 foot catamaran when it is not hurricane season; often times in somewhat remote places without the things wifi, internet, and reliable constant electric power. I do have good solar and a fair size battery bank on the boat but I can really only count on an...