VIDEO OF THE WEEK: LOCKHEED MARTIN'S P-791 AIRSHIP

This week's video came to us under the radar, and we were planning to save it for another week — but after you see it, we think you'll agree that it's hard to put out of your head. (Maybe especially so if you watched the History Channel's Lost Worlds episode "The Age of Airships," as we did this week. Or if you're a fan of Pink Floyd and always wanted to see an even bigger flying pig.) The behemoth shown here is Lockheed Martin's P-791, a (possibly)… (www.youtube.com) 기타...