company like Wicked Lasers will sell you aBlu - ray diode optical maser . But this DIY keychain see compressed - out deadly in this photo , like a mini one - shot pistol of the future … that can burn for a whole hour before recharging .
https://gizmodo.com/wicked-lasers-blu-ray-powered-laser-214360
One modder corrupt a governance keychain from Lowe ’s , then squeezed in a Blu - ray diode along with a 200mW lithium ion battery . ( The pic here is technically of his 6x form of the laser , which in reality burn out in about half an hr but operates at 268mW. ) No matter how many lasers we see ( hopefully not beamed directly into our eyes ) , we just do n’t get unbalanced of em . in reality , the ones that shootright into your eyesare pretty great , too . [ Hack n ModviaHackaday ]
https://gizmodo.com/what-does-lasik-really-feel-like-5051492
Blu - rayBluRayLASERS
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