This is a simple box that allows safe use of high power lasers with NO expensive goggles. The concept is very simple as it uses a phone camera in order to veiw what you are doing. Also as a plus you can use any laser wavelenth in action,and with no expensive goggles or danger! All you need is a c...By: johnsimo95
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Source: http://www.instructables.com/id/super-cheap-and-easy-laser-box/
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