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Anybody ever seen or tried these on ebay? Copper Steampunk Style Laser Safety Googles 405nm 445nm 532nm 650nm US Seller | eBay I have some of the eagle vision from survival as the backup pair, but seeing these welding goggles with custom "laser filters" really look appetizing. Many places...

I happened to acquire a 1W+ arctic from someone local who just happened to have one sitting in storage. Since my investment was next to nothing and I plan to use the host for an upgrade in the future, I dissected it. I was very surprised to find little epoxy on the lens housing and so much...

Here it is, my first build, and boy did it hurt my pocketbook. :( I bought the Nichia diode with the G2 xdrive 2.4A and copper module from ebay from a gentleman from St Louis. At 30 feet, the divergence is so great, you can underline words in a presentation. Wasn't expecting that, but oh...

My name should be obvious ;) I'm currently on the east coast and I decided to join because i decided to jump into this scientific hobby. I have to call it a hobby. I mean it's more fun than pure research into electronics and light. I just finished my first build. I suppose I'll post it...