Real Life Laser Cannons

Laser Cannons are very common in the Star Wars universe and now they might become reality:

"US airliners'n'armaments colossus Boeing announced today that one of its prototype aerial laser cannon planes has fired its first energy bolts in ground testing. "First firing of the high-energy laser aboard the ATL aircraft shows that the program continues to make good progress," said Boeing blast-cannon biz boss Scott Fancher.