Silicon.com: Passports replaced by iris scanning in Amsterdam

[Owen Blacker]

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However, I can think of at least a couple of friends who have irises that
seem to change (subjectively) with their mood / circumstance / whatever. 
The perceived changes can be quite dramatic (usually from blue-grays to
piercing-bright blues.  Is this really just a change in my (and other
people's simultaneous) ~perception~ of the iris coloring and pattern,
rather than some actual change?

This is wildly off-topic, so it's prolly best replied to offlist...  :)


O x

> -----Original Message-----
> From: David_Biggins@usermgmt.com [mailto:David_Biggins@usermgmt.com] 
> Sent: Tuesday, October 30, 2001 12:18 PM
> To: ukcrypto@chiark.greenend.org.uk
> Subject: RE: Silicon.com: Passports replaced by iris scanning 
> in Amsterdam
> 
> 
> Assuming you mean Iris, not retina, I'm assured it is surprisingly
> little...
> 
> Such things change the dilation of the iris significantly, but not the
> radial patterns.
> 
> > -----Original Message-----
> > From: Nexus [mailto:nexus@patrol.i-way.co.uk]
> > Sent: Tuesday, October 30, 2001 11:28
> > To: ukcrypto@chiark.greenend.org.uk
> > Subject: Re: Silicon.com: Passports replaced by iris scanning in
> > Amsterdam
> > 
> > 
> > Personally, I'm wondering how much a persons' retina pattern will
> > change due to say, fatigue, alchohol, medication (atropine ;-) or even
> > half a ton of skunk ;-)
> > 
> > > ----- Original Message -----
> > > From: "Owen Blacker" <owen.blacker@wheel.co.uk>
> > > To: "UK Crypto list" <ukcrypto@chiark.greenend.org.uk>
> > > Sent: Tuesday, October 30, 2001 10:24 AM
> > > Subject: Silicon.com: Passports replaced by iris scanning...
> > > 
> > > > HEADLINE: Passports replaced by iris scanning in Amsterdam
> > > > PUBLISHED: 8:59am on Tuesday 30th October 2001
> > > > CHANNEL: Beyond the processor
> > > > AUTHOR: Will Sturgeon
> > > > SERVICE: http://www.silicon.com

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