Search results for nanoscience:
Silicon Nanotechnology to Combat Biowarfare Agents
Sep 06, 2005 |
not rated yet |
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In fall 2001, several letters containing deadly spores were sent to targeted spots across the county. The documents threatened the lives of postal workers, government administrative workers, officials and others. ...
First-ever calculation performed on optical quantum computer chip
Sep 03, 2009 |
4.6 / 5 (34) |
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(PhysOrg.com) -- A primitive quantum computer that uses single particles of light (photons) whizzing through a silicon chip has performed its first mathematical calculation. This is the first time a calculation ...
Scientists Make 'Perfect' Nanowires
Jan 23, 2008 |
4.3 / 5 (57) |
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Scientists have created silicon nanowires that are perfect—at least atomically. Down at the single-atom level, the identical wires have no bumps, bends, or other imperfections. They are perfectly crystalline, even more so ...
Proposed 'Nanomechanical' Computer is Both Old-School and Cutting-Edge
Aug 03, 2007 |
4.3 / 5 (48) |
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A group of engineers have proposed a novel approach to computing: computers made of billionth-of-a-meter-sized mechanical elements. Their idea combines the modern field of nanoscience with the mechanical engineering principles ...
'Blown Bubble' Method Disperses Nanostructures Over Large Areas
Jun 22, 2007 |
4.7 / 5 (35) |
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Researchers from Harvard University and the University of Hawaii at Manoa recently announced a new method for organizing nanowires and carbon nanotubes across large areas: blowing bubbles.
Scientists Hand-Make Devices Smaller than 10 Nanometers
Apr 27, 2007 |
4.3 / 5 (42) |
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A research team from the University of Pennsylvania has used an electron beam to hand-carve ultra-small metal structures and devices, all with dimensions below 10 nanometers, from very thin metal sheets. Their ...
ANSOM Microscope Achieves Sub 10nm Resolution
Jan 18, 2007 |
4.3 / 5 (30) |
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The idea behind near-field microscopy is to offer a technique by which extremely small structures (at the nanometer level) can be measured and manipulated. However, 20 nanometers has been the best resolution accomplished. ...
Ancient Hair-Dyeing – A Nanoscience?
Nanotechnology / Nanomaterials
Oct 30, 2006 |
3.6 / 5 (31) |
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Scientists have discovered that an ancient method used to darken hair, dating back more than 4,000 years, is based on a chemical process that takes place at the nanoscale. This may be one of the earliest examples ...
Nanoscience May Produce 'Perfect' Materials
Nanotechnology / Nanomaterials
Aug 25, 2006 |
4.4 / 5 (55) |
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Nanoscience may provide a way to engineer materials that are virtually defect-free – perfect, that is.
Scientists pin down causes of dust eruptions
Physics /
Apr 18, 2006 |
4.9 / 5 (49) |
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By simple light and heat mechanisms, dust particles seem to defy gravity and leap up into the air. The effect, which once played a role in the formation of the Earth and asteroids, could also have applications ...
Nanoscience study shows that quantum dots 'talk'
Feb 21, 2006 |
4.2 / 5 (48) |
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Scientists who hope to use quantum dots as the building blocks for the next generation of computers have found a way to make these artificial atoms communicate. ...
Towards Molecular Electronics: New Way of Making Molecular Transistors
Jan 20, 2006 |
4.4 / 5 (43) |
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Researchers at Columbia University's Nanoscience Center are on the verge of solving one of the most vexing barriers facing advances in molecular electronics: incorporating individual molecules into functional ...
Toward a Quantum Computer, One Dot at a Time
Jan 19, 2006 |
4.3 / 5 (19) |
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Researchers at the University of Pittsburgh have developed a way to create semiconductor islands smaller than 10 nanometers in scale, known as quantum dots. The islands, made from germanium and placed on the surface of silicon ...
Flat bacteria in nanoslits
Nanotechnology / Bio & Medicine
Aug 17, 2009 |
5 / 5 (5) |
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It appears that bacteria can squeeze through practically anything. In extremely small nanoslits they take on a completely new flat shape. Even in this squashed form they continue to grow and divide at normal speeds. This ...
More than meets the eye: New blue light nanocrystals
Nanotechnology / Nanomaterials
Jul 21, 2009 |
4.6 / 5 (7) |
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Berkeley Lab researchers have produced non-toxic magnesium oxide nanocrystals that efficiently emit blue light and could also play a role in long-term storage of carbon dioxide, a potential means of tempering ...
