The story

The "black box" is actually an orange cylinder -- about 13 pounds of metal wrapped around a stack of memory chips and designed to withstand the force of being slammed high-speed into a brick wall.

One such device -- possibly sitting more than two miles below the surface of the Atlantic Ocean -- is the object of a massive international search and could hold the answer to why Air France Flight 447 mysteriously plunged into the sea off the coast of Brazil last week with 228 people on board.

"These record many, many parameters of the flight -- the aircraft, its altitude, even the amount of force that one of the pilots might put on a pedal," John Perry Fish, an underwater recovery expert, told CNN. "It's very important to find these in order to find out what happened to the flight." Read full article »

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