Easy Build Burning Laser For Less Than $20: "n this Instructable I will show you how I built my own burning laser, including the driver circuit, the laser is able to burn through electrical tape, black plastic, and light matches with Sharpie on them (I'll let you figure out what happens to the Sharpies on your own) I diode I used is a 400mW 650nM laser diode, for those of you who don't know what that means, 400mW means 400 thousandths of a Watt is the peak power for this specific diode and 650nm is short for 650 nano meters this is referring to the wavelength of the radiation (in this case light) coming from the laser diode 650nm happens to be red. "
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