[tt] advanced nanotechnology - 3 new articles
Eugen Leitl
<eugen at leitl.org> on
Sun Oct 14 09:41:24 UTC 2007
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Date: Sun, 14 Oct 2007 03:39:35 -0400
To: eugen <eugen at leitl.org>
Subject: advanced nanotechnology - 3 new articles
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"[2]advanced nanotechnology" - 3 new articles
1. [3]Cyberdome 8500
2. [4]Numenta system central to image analysis project
3. [5]Atomic orbitals change at the interface of certain types of
nanostructures
4. [6]More Recent Articles
5. [7]Search advanced nanotechnology
[8]Cyberdome 8500
[9]CyberDomes with any arbitrary screen size can be developed and it
is
possible to have high resolution distortion free life size immersive
visualization for many interactive real time applications.
cyberdome
Cyberdome that 8.5 meters in diameter
[1563385094_dd4f848088.jpg?v=0]
Here is the gear behind the screen
[]
Here is the projectors for the cyberdome
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[22]Numenta system central to image analysis project
[23]The Defense Advanced Research Projects Agency (DARPA) and the
National Geospatial-Intelligence Agency awarded Lockheed Martin a
$4.9-million, 18-month program to use brain-inspired technologies to
develop a system that will speed an image analyst's job by 100 times.
Called Object Recognition via Brain-Inspired Technology (ORBIT),
the system will use electro-optical (EO), light detection and
ranging (LIDAR), and brain-inspired technologies to automatically
recognize objects in urban environments from ground and aerial
surveillance. ORBIT will fuse commercial airborne EO and LIDAR
sensor data into a three-dimensional, photorealistic model of the
landscape. Its brain-inspired object-recognition technology will
automatically generate lists of recognizable imagery, like
mailboxes and dumpsters.
"ORBIT's automated, 3D, object-recognition capability will help
eliminate the time analysts spend manually identifying objects,"
said Dr. Peter Bilazarian, ORBIT program manager, Lockheed Martin
Advanced Technology Laboratories (ATL). "We think ORBIT will reduce
analysis time of one square kilometer of imagery from 1,300 hours
to less than 10 hours. Faster turnaround time for analysts means
more timely and accurate mission planning."
Central to ORBIT are three complementary brain-inspired and
machine- learning approaches to object recognition: Numenta's
Hierarchical Temporal Memory technology, which performs invariant
pattern learning based on a model of the brain's neocortex; a
standard model of the brain's visual cortex for spatial
recognition; and a computer-vision technology, which mimics the
process of human vision and recognition.
[24][advancednano?i=RnI4FVzs] [25][advancednano?i=RpwNCGtJ]
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[36]Atomic orbitals change at the interface of certain types of
nanostructures
[37]Until now, materials science researchers believed that an
electron's charge and spin influenced the characteristics of
conventional bulk materials. Atomic orbitals, which consist of the
patterns of electron density that may be formed in an atom, were
previously thought to be inactive.
Chakhalian's work has focused on what happens at the interface
between two different materials - for instance, superconductors and
ferromagnets, two materials with properties that were thought to be
incompatible with each other in bulk. In 2006, he and his
colleagues created the first high-quality material to have both
superconducting and ferromagnetic properties, and they used that
material in this experiment.
The researchers forced a high-temperature superconducting material
containing copper oxide and a ferromagnetic material containing
manganese oxide into unusual quantum states. Using a technique
called resonant X-ray absorption, they were able to "look" at the
atomic orbitals at the interface and determine their symmetry in a
non-destructive way.
They found that the atomic orbitals changed the nature of their
symmetry at the interface and created a covalent bond between the
copper and manganese atoms. This bonding does not exist in the bulk
of the individual materials
"When you merge these two materials, the atomic orbitals at the
interface become important. They start contributing to the
electronic properties of the material," Chakhalian said. "This
opens a new way of designing materials. We can design quantum
materials with engineered physical properties."
The discovery may allow researchers to manipulate nanoscale
superconductivity at the interface - opening the possibility of
creating room-temperature superconductors.
Generators that use superconducting materials generate electricity
extremely efficiently, at half the size of conventional generators.
General Electric estimates the potential market for superconducting
generators to be between $20 billion and $30 billion over the next
decade.
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nanostructures'
More Recent Articles
* [50]Future and past productivity improvement
* [51]Applying metamaterial invisibility for electromagnetic
wormholes
* [52]50-100 nanometer nanodiamond particles good for drug delivery
* [53]New force-fluorescence device measures nanometer-scale motion
and pico-newton forces
* [54]Suggestions for optimizing IQ test performance
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Eugen* Leitl <a href="http://leitl.org">leitl</a> http://leitl.org
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