[16924] in cryptography@c2.net mail archive
Re: Digital Water Marks Thieves
daemon@ATHENA.MIT.EDU (Matt Crawford)
Thu Feb 17 08:05:57 2005
X-Original-To: cryptography@metzdowd.com
X-Original-To: cryptography@metzdowd.com
Date: Wed, 16 Feb 2005 22:36:33 -0600
From: Matt Crawford <crawdad@fnal.gov>
In-reply-to: <p061104adbe37f1e7369a@[68.167.57.91]>
To: "R.A. Hettinga" <rah@shipwright.com>
Cc: crypto <cryptography@metzdowd.com>
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?
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