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How to Build a blue laser ray gun that will burn things magnificently « Hacks, Mods & Circuitry :: Gadget Hacks
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Amazon.com: Cloudray LightBurn Software G-Code License Key, for Most Blu-ray Engraving Machine,Supports Blue Laser Machine : Arts, Crafts & Sewing
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Blu Ray DVD Player with HDMI, Portable Blue ray Player for TV Mini 1080P Blue-Ray Disc Player Compact CD Player - Walmart.com
![TIL that Blu-Ray discs are called blue and can hold more storage because the laser is blue, which has a shorter wavelength than red and hence can read more accurately, allowing for TIL that Blu-Ray discs are called blue and can hold more storage because the laser is blue, which has a shorter wavelength than red and hence can read more accurately, allowing for](https://external-preview.redd.it/RpwbVyTv2MJyUFVJp1e9P42vaH1ZlgsOK_hal2KFRq4.jpg?auto=webp&s=620a1db8273766d29876fc4a45d52a5d9b92e35c)