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Nanotechnology
Nano-Champagne(October 16, 2008)
Electron micrographs of the iron oxide nanotubes.
Flexible Display(October 16, 2008)
Organic light emitting diodes make possible a variety of flexible displays.
Penrose Tilings(October 16, 2008)
Quasicrystal
Strongly-bound Ultracold Molecules(October 15, 2008)
For the first time tightly bound molecules in large numbers have been held at very low temperatures.
Strongest Material(July 28, 2008)
A new experiment is the first to directly measure the strength of graphene, and it is now considered the world?s strongest material.
On Very Thing Ice(June 4, 2008)
Ice only a few nm thick has for the first time been imaged in the act of forming into a sheet
World's Smalles Diamond Ring(March 13, 2008)
Australian scientists have made a diamond ring only 4 microns across
World's Smallest Diamond Ring(March 14, 2008)
Australian scientists have made a diamond ring only 5 microns across.
Fractal Plant Tumor(February 28, 2008)
A new study looks at fractals in time and space
Darkest Object(February 5, 2008)
A nanotube array is the darkest object ever made in the lab
Neutrinos and Non-proliferation(February 4, 2008)
Tiny neutrino detectors will let international inspectors monitor reactor output.
Digital Drop Sorting(Nov. 12, 2007)
A new microfluidic chip sorts drops electrostatically
Acoustic Quantum Dots(September 7, 2007)
Acoustic waves in a Gas surface can be used to move electrons around a microchip
Light-Driven Electricity(August 21, 2007)
Laser light can be used to drive electricity.
Single Atom Spins(August 20, 2007)
The spin properties of single atoms can be measured.
All-Optical Magnetic Recording(June 25, 2007)
All-optical recording may speed up data encoding.
90-nm Resolution MRI(April 30, 2007)
A new device at IBM-SAn Jose produce MRI images with better-than-100-nm resolution
Nanotube Repair(February 7, 2007)
Scientists have now determined how carbon nanotubes can repair themselves so quickly
Paser(September 12, 2006)
The first demonstration of the idea of particle acceleration by stimulated emission of radiation.
Artificial-Muscle Display(September 6, 2006)
Tunable diffraction gratings based on artificial muscles could bring a new generation of color displays.
Optical Antenna(September 5, 2006)
A device, mounted right on the face of a commercial diode laser, allows 800-nanometer-wavelength light to resolve structures only 40 nanometer in size.
Sharpest Manmade Thing(August 9, 2006)
A new etching method allows needles to be tapered down at the end to the width of a single atom.
Measuring Gravity at the Micron Scale(August 9, 2006)
Quantum and gravity measurements mix for the first time.
Chemical Transistor(July 24, 2006)
A fast-acting, sensitive transistor is triggered by chemical signals, not electrical signals.
BEC Magnetometer(July 17, 2006)
Bose-Einstein condensates can be used in producing a high-sensitivity, high-resolution magnetometer.
Double Quantum Dot(April 11, 2006)
Sound waves can be used to send an electron from one quantum dot to another.
Sharper X-Ray Imaging(April 11, 2006)
Hard X-rays can be focused to a line only 30 nanometer across.
Sunlight on a Chip(April 4, 2006)
Phosphors can turn light from a blue LED into a beam of warm white light.
DNA Traversing through a Tiny Pore(March 22, 2006)
Researchers are testing fundamental properties of individual biomolecules such as DNA by moving them through nanometer-scale pores.
Sharper Electron Microscope Pix(February 17, 2006)
A new addition to electron microscopes will improve contrast for difficult-to-image biological subjects.
Superhydrophobic Surface(February 6, 2006)
An upside-down hydrofoil effect helps to reduce drag
Helium Nanodroplets(November 15, 2005)
Tiny droplets of helium can be used to chill molecules of nitrogen oxide for making extremely clear spectra.
Waveguide for Slow Light(November 8, 2005)
A column of cold atoms are used as waveguide for slowing and focusing light.
Solid State Refrigerator(April 13, 2005)
An on-chip solid-state refrigerator can chill large chunks of matter
Relaxation Oscillator(April 7, 2005)
The heart of the world's smallest electric motor consists of metallic blobs sitting on a carbon nanotube
Wet Biotransistor(April 7, 2005)
The single-protein biotransistor in a wet environment has been created
240 Electrons Set in Motion(March 3, 2005)
Light can be used to excite all 240 valence electrons in a C-60 molecule
Antenna for Visible Light(September 16, 2004)
Nanotubes can be used to catch visible light the way antennas catch radio waves.
Optical Funnel for Focusing Atoms(August 26, 2004)
A new device can focus cold neutral atoms with a funnel of light.
Nanotube Water(June 21, 2004)
Water molecules arrange themselves strangely inside carbon nanotubes.
Multilevel Memory(March 9, 2004)
A molecular form of data storage can register information in more than just the
traditional 0 and 1 states.
Self-Assembled Fluidic Machines(March 9, 2004)
A system of tiny gears can not only assemble itself but can be reconfigured to meet new requirements.
Attogram Mass Detection with a Cantilever
(February 18, 2004)
An oscillating cantilever setup can be used to measure a particle's mass with attogram precision.
Micro-Origami and Micromirrors(November 4, 2003)
Micro-origami may soon speed and simplify the manufacture of tiny microelectromechanical (MEMS) devices.
Playing Nanoguitars(October 28, 2003)
A nanoguitar, devised at Cornell years ago, has been "played" for the first time by shooting laser light at the silicon "strings."
Micromotor(October 28, 2003)
An MIT lab has made tiny motor that will provide electric power for portable microscale devices.
Left Handed Material at Work(October 14, 2003)
Materials with a negative index of refraction are starting to live up to their promise.
Non-Contact Friction(September 4, 2003)
Two bodies can interact frictionally without actually touching.
Color-Filtered STM(May 30, 2003)
Researchers have developed a method for filtering atom-scale microscopy images that enables them to better see desired atoms and chemical bonds.
Carbon Nanowire inside a Carbon Nanotube(April 30, 2003)
A carbon nanowire, a one-dimensional string of carbon atoms threaded through a carbon nanotube, has been observed for the first time.
Femtogram Mass Detection(April 22, 2003)
The mass of microscopic particles can be determined by the change it produces to the resonant frequency of a cantilever to which the particle attaches.
Sharpest Optical Image of Molecular Vibrations(March 18, 2003)
Researchers have made the sharpest optical images ever of molecular vibrations, revealing details as small as 20 nanometers in the process.
Shaking up Nanoparticles(February 27, 2003)
Agitating tiny metal particles suspended in fluids leads to intricate patterns that may point the way to self-assembling, nanoscale structures.
Tunable Optical Fibers(February 27, 2003)
Optical fibers have, for the first time, been tuned using liquid uptake in microfluidic channels.
Extreme Ultraviolet Lithography(February 13, 2003)
Ultraviolet beams from a synchrotron are testing out the lithographic procedures for producing the next generation of integrated circuits.
X-Ray Interferometry(January 6, 2003)
Interference has been carried out with x rays in a Fabre-Perot interferometer for the first time.
Tuning Carbon Nanotubes(December 23, 2002)
An electrode scheme has been used to discover the resonant mechanical frequencies of carbon nanotubes.
Chip-Based Protein Studies(December 13, 2002)
The flow of ions in and out of cells can be studied with a new chip-based platform.
Neutron Holography(October 15, 2002)
Atomic-scale neutron holography is now possible.
Self-Assembled Nanotube Network(September 13, 2002)
Nanotubes strung across silicon pillars might serve as a nano-neural net.
DNA Laser Film(August 29, 2002)
A laser in which fluorescent dye molecules reside in a DNA matrix has been demonstrated.
Nanotube Diagnostic X-Ray Source(July 9, 2002)
A new design avoids the hot cathode used in conventional diagnostic x- ray devices to produce a cool, focused source of x rays.
Ballistic Magnetoresistance(June 26, 2002)
A new, potent form of magnetoresistance operates at room temperature.
Microrocket(May 29, 2002)
A new "micro-rocket" joins up with the other components needed for producing a microsatellite.
Nonmagnetic Read-Head Sensors(May 14, 2002)
Areal densities of 115 Gb/in^2 have been achieved using nonmagnetic read-head sensors.
The Birth of a CO2 Molecule(October 12, 2001)
In work that might provide insights into improving pollution-control devices, researchers have witnessed, at the single-molecule level, how carbon dioxide forms in a common chemical reaction on a metal surface
Nanosprings(August 29, 2001)
Researchers have transformed boron carbide nanowires into helix-shaped "nanosprings" which may have a host of potential applications.
Stretching Chains
of Gold Atoms (July 3, 2001)
Researchers push engineering analysis to its limits by measuring the properties
of chains formed of individual gold atoms.
Tungsten Trapped in a Silicon Cage Cluster
(20 February, 2001)
Recently discovered arrangements of silicon atoms known as cage clusters
are the
semiconductor equivalent of fullerenes, and may lead to novel materials
and applications.
Light Powered MEMS Rotor
(12 January, 2001)
Tiny structures that spin when illuminated by laser beams may soon power
micromachines.
Atom Optics: Magnetic Conveyor
Belt (13 December, 2000)
A conductor pattern laid down on a substrate can be used to transport
and position tiny atom clouds.
Atom Optics: Beamsplitter
on a Chip (13 December, 2000)
One of several new atom optics devices: a planar beam splitter.
Single Molecule
STM Chemistry (September 22, 2000)
A new experiment tests how dust grains coalesced into planetesimals in
the early solar system.
Pyramid
Pixels (August 23, 2000)
Pyramid-shaped, organic pixels for displays can now be made without cumbersome
mask technology.
Atomic
Scale Locomotives (June 22, 2000)
The nano-factories of the future will need a nano-locomotive to move them
about. See the movie!
Muon Precession
used for mapping magnetism. (May 18, 2000)
Muon spins can be used to map magnetic fields inside superconductors.
Microlaser
made of powder (May 18, 2000)
Smallest powder laser also operates at room temperature
New Gravitational
Constant (April 29, 2000)
The best yet measurement of the gravitational constant, G, provides a
higher precision mass for the Earth.
DNA Canyon
(February 11, 2000)
Attaching a short DNA molecule to two metal electrodes, Dutch researchers
have found evidence that DNA acts as a semiconductor for electrical charge.
Quantum
Mirage (February 8, 2000)
Electron waves moving inside an elliptical "quantum corral" interact with
a non-existent atom.
D-Wave SQUID
(February 8, 2000)
The d-wave nature of high-temperature superconductivity has been directly
exploited in designing a SQUID magnetometer for the first time.
Vibration-induced
droplet atomization (January 10, 2000)
Placing large, 10 millimeter droplets on a vibrating surface converts
them into an extremely fine spray in a fraction of a second.
Scanning
Gate Spectroscopy (January 10, 2000)
The use of a gated probe helps to sharpen STM spectroscopy of small gold
clusters.
Color
Nanotube Display (November 24, 1999)
Carbon nanotubes, used as emitters of electrons, have been fashioned into
a full-color display.
Kinky Nanotube
Electronics (November 18, 1999)
Kinks in carbon nanotube wires create useful electronic properties.
Zigzag Gold
Chain (November 2, 1999)
New simulations suggest that very thin gold nanowires are actually zigzag
shaped.
Nanotriodes
(October 22, 1999)
Vacuum tube technology makes a comeback in the form of 10-nm-wide electron
emitters used as a cathode in what can be called a vacuum ballistic electron
transistor (VBET).
Nanotube
Diode (October 18, 1999)
A single carbon nanotube, bestriding three gold electrodes, has been made
into a diode by doping one half of the nanotube.
Buckeyball
Orientation (October 11, 1999)
Images of individual carbon-60 molecules sitting on a silicon substrate
Sinusoidal
Microstructures (October 8, 1999)
Tiny washboard structures on polymer films will be useful for producing
diffraction gratings, detectors, and a variety of microelectromechanical
(MEMS) devices.
Vortices
in a Bose Einstein Condensate (September 23, 1999)
Quantized vortices have been observed in Bose Einstein condensates of
rubidium atoms.
Freestanding
Carbon Nanotubes (September 13, 1999)
Freestanding single carbon nanotubes can now be grown on a grid pattern.
Third
Harmonic Microscope (June 2, 1999)
A new method using nonlinear optics allows the imaging of low-contrast
biological samples.
Microphone
and Radio Components May Lead to a Real-Life Dick Tracy Watch
(April 21, 1999)
Researchers have made significant progress in constructing a microphone
and single-chip radio for what could someday be parts of a real-life Dick
Tracy watch.
Digital
Friction (March 15, 1999)
A striking stepwise change in friction occurs when an atomic force microscope
probe is scraped across a monolayer of strandlike molecules.
Pinpoint
Laser Polymerization (March 15, 1999)
Highly focused laser light, absorbed two photons at a time, can be used
to sculpt microstructures.
Nanobalance
(March 8, 1999)
Vibrating carbon nanotubes can directly weigh viruses and other tiny particles
Transistor
Hologram (February 26, 1999)
Electron holography can provide maps of the electrostatic potential inside
a transistor.
Wire-Guided
Atoms (February 26, 1999)
Atoms can be guided along and around a current-carrying wire.
Tunable
X-ray Waveguide (February 19, 1999)
Efficient air-filled waveguides can now channel x-rays at synchrotron
sources.
3D Photonic
Crystal (February 4, 1999)
First 3D photonic crystal will be useful in optical integrated circuits.
Quasi-2-Dimensional
Atom Gas (December 23, 1998)
A nearly planar array of laser-cooled atoms has been created for the first
time.
Stacked LED's
(October 30, 1998)
Stacked organic LEDs can now produce full color.
Conductivity
of single molecule is measured (October 28, 1998)
The conductivity of a single molecule can be measured directly by using
the molecule to bride the break in a wire.
Writing with
a Nanopencil (September 10, 1998)
Nanotubes can be used as wear-resistant pencils at the nanometer scale.
Smart Pixels
(June 17, 1998)
Researchers have made "smart pixels" composed entirely of carbon-based
materials.
Nanoscale
Electrochemistry (June 16, 1998)
Using electrodes immersed in an electrically conducting solution, researchers
have created nanometer-scale features on a gold surface.
Carbon Nanotube
Transistor (May 13, 1998)
A transistor based on a single, nanometer-scale molecule composed of carbon
atoms.
Sodium-Iodide
Crystallite (May 11, 1998)
An STM image showing what happens when you place some sodium and iodine
atoms together on a copper surface.
Flattened
Carbon Nanotube (May 11, 1998)
This computer-drawn figure shows the view within a carbon nanotube flattened
in order to form a flexible "nanoribbon."
Quantum Corral
(May 11, 1998)
Image of a stadium-shaped "quantum corral" made by positioning iron atoms
on a copper surface.
Boron-Nitride
Nanotube (May 11, 1998)
A computer simulation of the view down a boron-nitride nanotube.
Quantum Tunneling
Transistor (February 4, 1998)
A transistor that exploits an electron's ability to pass through normally
insurmountable energy barriers.
Metallic
and Semiconducting Carbon Nanotubes (January 5, 1998)
A microscope determines whether nanoscopic tubes of carbon are metallic
or semiconducting.
Superconducting
Quantum Dots (December 1, 1997)
See an image of tiny aluminum superconducting disks, 0.1 to 2 millionths
of a meter in size, sitting atop a semiconductor
A Reversible
Metal-Insulator Film (October 20, 1997)
Chemical physicists have made the first solid material that switches between
metal and insulator properties reversibly without changing its chemical
makeup, and at room temperature and pressure.
Nanodiamonds
(October 8, 1997)
Physicists have created nanometer-scale diamonds--without the usual requirement
for subjecting carbon to high pressures--by squeezing onionlike structures
of carbon with beams of ions.
Trapping
Single Particles with Nanoelectrodes (August 26, 1997)
See images of single nanoparticles trapped between electrodes separated
by just billionths of a meter
Measuring Bond
Rupture Forces with the Atomic Force Microscope (August
15, 1997)
See how the atomic force microscope can measure the forces required to
tear apart two complementary strands of DNA.
Viewing
Tiny Electric and Magnetic Fields in Real Time (August
8, 1997)
See how tiny electric and magnetic fields can be imaged in real time.
Nanoguitar
(July 30, 1997)
See the world's smallest guitar--it's approximately the size of a single
red blood cell.
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