Homebuilt laser shotgun is every bit as dangerous as it sounds
 

If you thought building your own laser weapon at home was hot stuff, you haven't seen anything yet. Do-it-yourself fan Styropyro has built a laser "shotgun" whose eight 5W beams are adjustable with lenses, much like you'd adjust the choke on a conven...

http://www.engadget.com/2015/06/08/h...=rss_truncated