News tagged with tunnel
'Most extreme' material: Graphene could be successor to silicon for next generation microchips; 200 times stronger than
(PhysOrg.com) -- In a blown-up image from a scanning tunneling microscope, it looks just like an endless sheet of chicken wire: a simple flat sheet made up of a lattice of hexagons. But this nanoscopic material ...
Nanotechnology / Nanomaterials
May 05, 2009 |
4.6 / 5 (23) |
1
A 'hands-on' approach to computers
(PhysOrg.com) -- At a time when ever more aspects of our lives are moving toward the virtual, online world -- stores, newspapers, games and even social interactions -- Hiroshi Ishii seems to be swimming against ...
Technology / Hi Tech & Innovation
Apr 06, 2009 |
2.3 / 5 (3) |
0
Exerting better control over matter waves
(PhysOrg.com) -- “The concept of matter waves is at the heart of quantum mechanics,” Oliver Morsch tells PhysOrg.com. “At the beginning of the last century, scientists discovered that solid particles could exhibit proper ...
Mar 27, 2009 |
4.6 / 5 (29) |
15
Space shuttle experiment to provide insights into turbulence, heating
A Purdue University aerospace researcher helped shape plans to install a new experiment currently on the space shuttle Discovery to collect data for controlling deadly friction and heating in the design of ...
Mar 23, 2009 |
not rated yet |
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Covering the bases: Quantum effect may hold promise for low-cost DNA sequencing, sensor applications
A ghostly property of matter, called quantum tunneling, may aid the quest for accurate, low-cost genomic sequencing, according to a new paper in Nature Nanotechnology Letters by Stuart Lindsay and his collab ...
Nanotechnology / Bio & Medicine
Mar 22, 2009 |
4.7 / 5 (9) |
0
High-speed signal mixer demonstrates capabilities of transistor laser
(PhysOrg.com) -- Scientists at the University of Illinois have successfully demonstrated a microwave signal mixer made from a tunnel-junction transistor laser. Development of the device brings researchers ...
Mar 19, 2009 |
5 / 5 (1) |
0
Physicist develops battery using new source of energy
Researchers at the University of Miami and at the Universities of Tokyo and Tohoku, Japan, have been able to prove the existence of a "spin battery," a battery that is "charged" by applying a large magnetic ...
Mar 11, 2009 |
4.7 / 5 (53) |
11
Researchers discover a potential on-off switch for nanoelectronics
As electronic circuits shrink from finely etched lines in silicon wafers to nearly elusive proportions, researchers at the U.S. Department of Energy's Lawrence Berkeley National Laboratory and Columbia University ...
Mar 03, 2009 |
4.9 / 5 (11) |
2
Nano-sonar uses electrons to measure under the surface
Just as sonar sends out sound waves to explore the hidden depths of the ocean, electrons can be used by scanning tunnelling microscopes to investigate the well-hidden properties of the atomic lattice of metals. ...
Feb 27, 2009 |
4.9 / 5 (7) |
1
Sleek new MIT solar car heads to the races
MIT's Solar Electric Vehicle Team, the oldest such student team in the country, has just finished construction of its latest high-tech car and will be unveiling it to the public this Friday from 3 to 5 p.m. ...
Feb 25, 2009 |
4.7 / 5 (3) |
1
Scientists prove graphene's edge structure affects electronic properties
(PhysOrg.com) -- Graphene, a single-atom-thick sheet of carbon, holds remarkable promise for future nanoelectronics applications. Whether graphene actually cuts it in industry, however, depends upon how graphene ...
Feb 15, 2009 |
4.2 / 5 (10) |
3
Nanoscale materials grow with the flow (Videos)
Imagine unloading a pile of bricks onto the ground and watching the bricks assemble themselves into a level, straight wall in only a few minutes. While merely a fantasy for builders in the everyday world, ...
Nanotechnology / Nanomaterials
Feb 12, 2009 |
not rated yet |
0
Nanotechnology makes supertelescopes much more sensitive
Nanotechnologist Chris Lodewijk has succeeded in significantly increasing the sensitivity of the new supertelescopes in Chile. He will receive his PhD on this topic at Delft University of Technology on Monday 2 February.
Nanotechnology / Nanomaterials
Feb 02, 2009 |
4.7 / 5 (3) |
0
Sub-atomic-scale Writing Using a Quantum Hologram Sets New Size Record (Video)
(PhysOrg.com) -- Physicists have set a new world record for the smallest writing, with features of letters as small as 0.3 nanometers, or roughly one third of a billionth of a meter. The accomplishment demonstrates ...
Jan 28, 2009 |
4.5 / 5 (19) |
13
The pseudogap persists as material superconducts
For nearly a century, scientists have been trying to unravel the many mysteries of superconductivity, where materials conduct electricity with zero resistance.
Jan 27, 2009 |
4.9 / 5 (187) |
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