This is the reply I got from Raph, a fine fellow.
reposted by permission.
From: Raph Levien <raph@acm.org>
Brian D Williams wrote:
>
> I was curious if your patent was related to this article, on
> tetrachromatics.
Yes, they work. They are not in production, however. If you feel
like blowing some money, it would probably cost about $1k to
fabricate another prototype. (I only had a few made, and only one
of those in a wearable eyeglass frame).
Another possibility would be to get them into production. If you
know anyone who would like to do so, I'd be interested.
Incidentally, I dug out my protype and am wearing it now. While
most color shifts are fairly subtle, they make the LCD screen I'm
typing on bright magenta. They have other interesting effects on
"unusual color sources". For example, your standard yellow-green
retroreflective strip for bike safety appears to have a deep inner
glow.
If you want to try these yourself and are near Benicia any time
soon, I could show them in person. I'm a bit protective of the one
prototype, and am not willing to ship it.
Raph
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