On Feb 15, 2005, at 12:40, R.A. Hettinga wrote:
Instant, is a property-marking fluid that, when brushed on items like office equipment or motorcycles, tags them with millions of tiny fragments, each etched with a unique SIN (SmartWater identification number) that is registered with the owner's details on a national police database and is invisible until illuminated by police officers using ultraviolet light.
That's amazing! How do the tiny particles know that it's not a civilian illuminating them with ultraviolet light?
And how does Wired reporter Robert Andrews fail to ask that question?
--------------------------------------------------------------------- The Cryptography Mailing List Unsubscribe by sending "unsubscribe cryptography" to [EMAIL PROTECTED]