When a person wearing the shirt applies pressure to the shirt's millimeter-thick cloth, the shirt captures the strength and location of the pressure with sensors sewn into its fabric and transmits the hug via Bluetooth to a cell phone.
Three items inside Odeh's bag -- a pair of jeans, a T-shirt, and a cloth described as a bed sheet -- tested positive for either TNT or PETN, Mount said.
That's because an average shirt comprises several different pieces of cloth cut and stitched together in many separate processes -- and, often, places.