You probably have an old processor lying around that you ended up modding into a keychain, but to take your geek cred to a whole new level, try wielding a blu-ray laser like a light saber the next time you fumble around for your house key.
Not only can it be done, but "jayrob," a DIY lasers expert, has posted a worklog of how he built his own using a keychain light made from a solid piece of brass that he picked up from Lowe's. In short, Jay stuffed a laser diode and a larger battery inside, did a little drilling, and ended up with the coolest keychain we've ever seen.
Read all about it here.
Image Credit: hacknmod.com
Links:
[1] http://www.maximumpc.com/user/paul_lilly
[2] http://hacknmod.com/hack/powerful-blu-ray-laser-on-a-keychain/
[3] http://www.maximumpc.com/article/news/8_foot_tall_case_mod_would_look_great_your_next_steampunk_lan_party
[4] http://www.maximumpc.com/article/go_go_gadget_modding
[5] http://www.maximumpc.com/article/modding_failure_is_an_option
[6] http://www.maximumpc.com/tags/bluray
[7] http://www.maximumpc.com/tags/diy
[8] http://www.maximumpc.com/tags/modder
[9] http://www.maximumpc.com/tags/modding
[10] http://www.maximumpc.com/articles/news
[11] http://www.maximumpc.com/user/login?&commentfragment=comments_top_anchor
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