A massive green and blue laser beam was spotted in the San Francisco sky earlier this week, and despite plenty of speculation online, no one seemed to know much about its purpose or origin – until now. Barrett Lyon, CEO of the aptly named MegaLasers and CTO of Tarsal, a data security company, told SFGATE that he was testing out the 400-watt beam in the Coit Tower parking lot for an upcoming conference. “It’s kind of a fun art project, but it's also kind of a fun celebration for our security... Read this story
