OK, this isn't really a technique. Classify it under "fun stuff." We stuck it here since
we didn't have anywhere else to put it.
Ever wonder what the TSA officials were looking at when they looked at your
driver's licence or passport with their small flashlight. Well, so did we.
Those little flashlights are actually small ultraviolet (UV) lights. We took several
objects and placed them under our UV light and took some pictures. Take a look at
what we found by clicking the link to the left.