If you want to ride your bike around without everyone noticing, you're going to need stealth technology. This bike from Slovak engineer Brano Meres takes a few ideas from the F-117 Nighthawk stealth fighter, and turns them into bicycle form. Meres even named his machine after the stealthy plane, calling it the X9 Nighthawk.

We already know that heavily modified and ultra stealthy MH-60 Blackhawks were used in the raid on Osama Bin Laden's compound in Pakistan. The Associated Press has learned that two MH-47 Chinooks were involved as well, and it seems likely that they were also modified to be silent and invisible on radar.

Like something straight out of 2001: A Space Odyssey, Arcade Tables' jumbo "Stealth" tabletop is a perfect blend of futuristic style and retro arcade games. Old school gaming never looked so sexy.

I guess the Navy is too good for Ebay. Instead, the US aquatic fighting force is trying to find a new home for its top secret stealth ship, the Sea Shadow, and the barge that housed it and kept it...