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My name is John Casey and I live in San Diego, CA.

I have a degree in physics I earned in 1966!!! I had a lasers class and we all wondered what they could be used for, if anything !!! I think of that thought often. I actually started being interested in a laser by my neighbor as a way to deter crows from killing the birds in our nrighborhood.

I am stupid. I bought a 10,000 mw laser pointer from Laserpointerpro and it is hardly any brighter than a small one that claims <5mw on the label. It comes in a heavy space age looking tube with attachments that are worthless and a shiny metal case with glasses. It was $100. Sanwu has a blue...