Fear of another terrorist attack has spawned a huge, worldwide competition in the transportation security business.

The San Diego Convention center is filled this week with hundreds of companies competing in that field.

That includes one San Diego Company that may have the next big product. It's an advanced scanner that searches you for weapons, explosives or contraband.

SAGO Systems uses what's called "millimeter-wave" technology to scan your body for anything that doesn't match you body temperature.

To see how it works, click on the video icon above.