"Nanowire
transistors could be packed one billion to a square
centimeter, and narrower nanowires would permit one
trillion transistors per square centimeter."
That's not a "billion"
transistors on a chip, as our evolutionary lithographic
processes might yield by the end of this decade, but
potentially a "TRILLION" carbon nanotube-based
transistors in about the same space, if (remember that
all-important "IF") this laboratory experiment
can be commercialized!
Building Blocks…
But since these experimental
nanotube transistors were not built using lithography in a
traditional "fab," how were they built?
It turns out that -- they built (self-assembled)
themselves!
"The researchers built
the transistors by chemically growing silicon and gallium
nitride nanowires 10 to 30 nanometers in diameter and
several microns long. They coaxed the nanowires to form
circuits by suspending them in fluid and flowing the
mixture across a surface. The tiny wires line up in the
direction of the flow. They placed the silicon nanowires
in one direction and the gallium nitride nanowires in a
perpendicular direction.
Simply putting the wires in place was enough to assemble
the gates: the nanowires are so small that atomic forces
make them stick when they touch."
A far cry from today's laborious chip-building
techniques.
Even Smaller.
But even these possible changes to the chips that
increasingly power our societies could turn out to be a
mere drop in the bucket -- in the bucket of quantum
computing, that is, where it isn't merely molecules or
atoms that provide the storage and computing capabilities
for our information, but it's the "quantum states
of electrons, such as their energy levels or their nuclear
spin, [which will] perform calculations and store
data." As
improbable as this idea may seem, of using elements
smaller than even atoms to do our bidding, Erick Schonfeld
gives us some insight into work being done in just this
area by IBM scientists, in the Dec. 5 Business 2.0 (http://www.business2.com/articles/web/0,1653,35998,FF.html).
And remember, what we take for granted today seemed
equally outrageous just a few years ago.
(For a consumer electronics example, could you,
just a few years ago, have realistically expected a tiny
6.5-ounce pocket device that would hold 1,000 songs and
run for 10 hours on a charge?
Yet that's today's $400 Apple iPOD - http://www.apple.com/ipod/).
Spinning…
So we are indeed on-track to get more out of Moore;
potentially a LOT more than Moore had ever envisioned, by
completely "changing the rules" in one (or more)
directions. And
while the "numbers game" of microns and
nanometers and atomic layers (now down to three for
certain insulating layers), and "quantum spin,"
can easily make our heads spin, these worlds-of-the-tiny
are going to be putting a very new spin on our electronics
over the next years.
If you're thinking of creating a product that could do
amazing things, if only CPUs could be faster or use less
power, or if we could store more data in a smaller space
-- then just wait awhile.
And given what we've seen in just the past two
issues, perhaps not a very long while at all.
Don't Blink!

Back to
Table of Contents
Speaking of the "revolutionary," no one (at
least not most of us) wants to look like the half human,
half machine Star Trek "Borg."
But according to the Nov. 24 Wired News (http://www.wired.com/news/print/0,1294,48572,00.html),
brought to our attention by reader Kenneth LaCrosse,
scientists at the University of Texas are working towards
being able to graft a microelectronic circuit directly
onto a neuron! (Similar
work is also taking place at the Max Planck Institute (http://www.nytimes.com/2001/12/10/technology/10NECO.html)
and at other research labs.)
They're far from ready to "plug us in" --
they have many steps yet to go before significant
"direct connects" are feasible.
But this line of research is fascinating, and a
pretty good hint of things to come, as described by Brian
Korgel,
"We can now take a
semiconductor and position it where we want it on a cell.
We can interface microelectronic materials with
cells."
They did run into an interesting roadblock in this
process; current semiconductor manufacturing techniques
don't have the precision to align an electronic quantum
dot with just the right location on a neuron.
So Korgel and Christine Schmidt simply changed the
rules -- they co-opted peptides, a biomolecule, to connect
with exactly the right protein on the surface of the
neuron!
If this process turns out to be successful, what might
it eventually mean to us?
"Bio-prosthetics," for one thing, where
artificial limbs might work as naturally as real ones.
But derivatives of this primary research could be
even more interesting, according to Korgel:
"On a more basic level
than the actual brain, you may be able to make a
substrate, put nerve cells on those, grow them and then
put semiconductor dots on different nerve cells -- and
then use those nerve cells as a computer."
Shuning Nie, a quantum dot chemist at Indiana
University, sums the potential of this work up nicely:
"These are fairly
far-out ideas. But
we are talking about interfacing semiconductor
nanostructures and biology. It's a big field."
Which would change a whole lot of rules.
Changing The Rules!
Computing advances are not going to be confined to
faster CPUs and smaller memory -- "computing"
will continue to completely redefine our world in ways
that today are science fiction.
Just as today's computing was very much the science
fiction of just a few years ago.
Again, Don't Blink!

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Table of Contents
Your Feedback is Important!
I'd like to
understand your interest in The Harrow Technology
Report, how you make use of it, and the value you feel
it provides to you, your career, and to your company.
Please send
your comments to me at Jeff@TheHarrowGroup.com
.
I look
forward to hearing from you!
Spread
The Word!
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.
Jeff Harrow
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I still remember Rocky & Bullwinkle's "Wayback
Machine;" the show used it to teach us kids a bit
about history in a way that was far more engaging than a
dry classroom lecture (http://www.rockyandbullwinkle.com/).
We may not (at least yet) be able to zip back to
view events earlier in our world's history, but now the
Internet Archive (http://www.archive.org/)
lets us do exactly that for the history of the Web!
In conjunction with Alexa, the Internet Archive has
amassed 100,000 gigabytes (100 terabytes) of Web pages
(five times the amount of information in the Library of
Congress), growing at the rate of 12 terabytes each month!
And these archives of the Web are available to us
all at http://web.archive.org/
. Might this
change how we think about traditional
"libraries"?
The Wayback Machine works like this.
Say you wanted to explore the history of a
particular Web page -- simply type it's address into the
Wayback Machine, and it will present you with a calendar
showing each day on which it recorded a copy of the page,
ready for your click.
And what a prize this fount of knowledge is!
For example, I typed in the address of Dragon
Systems
(www.dragonsys.com)
to explore it as it was before it was bought by the now
defunct L&H. The
Wayback Machine instantly presented me with more than 50
different versions of their home page, ranging back to as
early as 1996.
Of course I expected that most of the links on these pages
would be long dead -- clearly, it's unlikely that a
six-year-old link would still be valid on the company's
current site. But
I was very pleasantly surprised -- the Wayback Machine
also recorded most of the "link pages" as well,
and altered their addresses so that I could click around a
Web site just as if I were back in 1996!
(Did you, perhaps, need an old driver or
instruction manual...?)
Something Old = Something Very New!
This is a view into the history of business and social
aspects of our global society that we've never had before.
For example, with some exploration, we can track
how a politician might have changed his or her stance on
an issue over the years.
Or as described by the director of the Internet
Archive, Brewster Kahle, he was able to explore the
history of the Heaven's Gate cult, which performed the
California group suicide in 1997.
And this is just the very beginning of where such a
resource might lead.
Imagine if the Web were not six, but sixty years
old. Or six
hundred. And
that we had this level of historical detail to explore.
We have, in fact, begun this very journey.
Indeed, as computing and storage continue their
inexorable improvements and miniaturization, I can foresee
the day when all TV and radio programs are similarly
recorded and indexed for later exploration. And the images from the growing number of public surveillance
cameras. And,
eventually, even the 24x7 experiences of people going
about their daily lives, perhaps through the lens of
"eyeglass cameras" and the like (see http://www.informationweek.com/story/IWK20011218S0004
, with thanks to reader David Breed.)
Be Careful Out There...
The Internet Archive should also remind us that NOTHING
that we say or do or write on the Internet is ephemeral --
we should assume that it's been captured and recorded.
And if it's something we're not proud of, it may
well come back to haunt us.
(For example, if you've ever posted something to an
Internet Newsgroup, you (and anyone else) can probably
still read your long-departed words, since Google has now
made the past twenty years of Newsgroup articles but a
click and a Search away -- see http://www.google.com/googlegroups/archive_announce_20.html
, as brought to our attention by reader Michael
Engle.)
Future historians are going to have SO much fun!!
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Finally, you've probably seen one -- those large,
high-density color graphic displays at sports stadiums;
they do such a wonderful job of showing graphics and full
motion video that your home TV might need therapy for a
serious inferiority complex.
But short of New York's Times Square and a few
other places, really large displays are just too expensive
to litter the landscape.
Germany's Chaos Computer Club, however, decided that
their city of Berlin needed a large display, and they've
taken a rather untraditional and bargain-basement approach
to giving Berliners a holiday present called "BlinkenLights."
(http://www.blinkenlights.de/).

Using a minimalist approach, they've positioned 144
computer-controlled 150-watt lights behind the windows of
this building, yielding a monochrome display of 18x8
pixels.
Now this might not seem very impressive, or even useful
at first, compared to those beautiful high-density color
stadium displays, but add in the computers that drive this
minimalist display, plus "interactivity" via
cell phones, and BlinkenLights is able to provide a
building-sized canvas that YOU can use to display
"love letter" movies to your significant other,

and even play a real-time interactive game of Pong for
the city to see! (http://www.blinkenlights.de/interactive.en.html)

Details are at http://www.blinkenlights.de/interactive.en.html
, and as you can see from this animated picture, this
building-sized if simple display yields impressive
results. (A
gallery of examples of what the building has been playing,
each one designed by a "user," is at http://www.blinkenlights.de/gallery.en.html
.)
It's also impressive that this project went from
conception to "first movie" in just four weeks,
demonstrating how a group of talented volunteers can make
a, er, SuperSized, very positive impact on their city!
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Well, I don't have a building-sized display to use to
wish each of you a very happy holiday season in this last
issue in 2001, but the sentiment is there just the same.
2001 has been a trying year in many ways, which has
brought out both the worst and the best of human nature.
It's also demonstrated incredible evolutionary and
revolutionary advances in computing, memory, and storage,
to the point where each can now be done (in the research
labs) using but single molecules or less, or even the
stuff of life (DNA) itself!
And as we learned earlier in this issue, the
boundaries between Man and machine may be thinning as
scientists learn to meld neurons and silicon.
These are the latest examples of the ongoing magic that
has brought us from a world of gas lamps and horse-drawn
wagons, to an interactive, interconnected World Wide Web
that does bring our world closer together.
And even to cell phone-driven, building-sized love
letters. Yet
this is just the beginning.
The very beginning, of where this technological
road has yet to take us.
I hope that you will continue to join me as we explore
and understand and extrapolate and experience this
incredible journey, as The Harrow Technology Report begins
2002 with its first issue on January 7.
Happy Holidays!
Jeff