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I've been busy the past year or so with college, and various engineering competitions/projects; therefore I haven't posted here or at LC in a while (I probably wouldn't have posted at LC anyway). I haven't used these lasers for about a year now, since I used them in some physics projects, and...

Although it is not completely handheld, this is technically a portable 20W laser. I don't know what wavelength it is, but it looks to be ~405nm or shorter (ultraviolet).

I've seen these on eBay for a while, and recently decided to ask the seller about them. I asked if they could allow me to see the beam of an 808-980nm laser. They replied that the glasses could "see" wavelengths from 700-1000nm. I still don't believe it is true. So, does anyone know whether or...

Although this auction doesn't appear to be very trustworthy to me (for many reasons), someone here may be interested in it. I can't visit google video at work so I don't know what happens in the video he links to.

I want to ship (at my expense both ways) a solar panel and a voltmeter; which I use as non-linear way to measure laser power, so they can find out how accurate it is for me. I've measured four lasers with it by connecting the voltmeter to the solar panel to measure its output voltage while...

EBay keeps canceling my laser auctions >:(, so I'm trying a different approach in this auction.  Price is a bit high, but it comes with tons of extras. It lights white matches with a lens and pops balloons. EDIT: The laser sold for $200. Seems I lucked up and didn't get removed.