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Here, all we get is seminars on topics like "Criteria for Stability of
Markov Processes".....

------- Forwarded Message

From: Robert L Krawitz <rlk@Think.COM>
To: tanstaafl@ucbvax.Berkeley.EDU
Subject: You won't BELIEVE the seminar we had today.

Eric Begleiter, President of Dimensional Foods, gave a seminar on a
product concept his company (to use the term liberally) is developing,
along with a few prototypes.  Seems he's invented a cheap process to put
a hologram or other diffraction grating on the surface of foods.  His
current prototypes are chocolate, breakfast cereal, and sugar/starch
mixtures.  Evidently he creates the grating on a metal master and
transfers it to a plastic surface, which is then used as a mold for the
food.

The cereal is done by imprinting a sheet of cellulose (which actually
makes a transmission grating, rather than the reflection grating on
chocolate) and grinding it up into powder.  The powder is sparkly.  It
evidently imparts no taste to the food (microtexture at the micron level
is indetectable by the mouth), and requires no dyes.

He currently uses photolithography, but is working on a digital process
to create square-waved surfaces rather than sine waves, which should
narrow the spectrum of the reflected/transmitted light, enabling
production of colored surfaces without dye.

------- End of Forwarded Message