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 ...
Jobs Says Apple Customers Not into Renting Music
Apr 27, 2007 |
4.7 / 5 (6) |
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Apple Chief Executive Steve Jobs indicates he is unlikely to give in to calls from the music industry to add a subscription-based model to Apple's wildly popular iTunes online music store.
FCC Sets Digital TV Rules
Apr 27, 2007 |
3.8 / 5 (17) |
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The FCC adopts measures to ensure a smooth transition to DTV in 2009, which is necessary to free up the 700MHz band for wireless voice and data.
Ocean's 'Twilight Zone' May Be a Key to Understanding Climate Change
Space & Earth / Earth Sciences
Apr 27, 2007 |
4.3 / 5 (16) |
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A major study sheds new light on the role of carbon dioxide once it's transported to the oceans' depths. The research indicates that instead of sinking, carbon dioxide is often consumed by animals and bacteria ...
Researchers find plant protein that may aid biofuel production
Apr 27, 2007 |
4.1 / 5 (16) |
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In a breakthrough that could make the production of cellulosic ethanol less expensive, Cornell researchers have discovered a class of plant enzymes that potentially could allow plant materials used to make ...
Plants do not emit methane
Apr 27, 2007 |
4.2 / 5 (15) |
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A recent study in Nature suggested that terrestrial plants may be a global source of the potent greenhouse gas methane, making plants substantial contributors to the annual global methane budget. This controversial findin ...
New nanocomposites may mean more durable tooth fillings
Nanotechnology / Bio & Medicine
Apr 27, 2007 |
4.4 / 5 (17) |
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The mouth is a tough environment—which is why dentists do not give lifetime guarantees. Despite their best efforts, a filling may eventually crack under the stress of biting, chewing and teeth grinding, or ...
Anti-dandruff compound may help fight epilepsy
Apr 27, 2007 |
4.5 / 5 (11) |
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Researchers at Johns Hopkins have discovered that the same ingredient used in dandruff shampoos to fight the burning, itching and flaking on your head also can calm overexcited nerve cells inside your head, making it a potential ...
Placing single nanowires: NIST makes the connection
Apr 27, 2007 |
4.6 / 5 (17) |
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Researchers at the National Institute of Standards and Technology have devised a system for manipulating and precisely positioning individual nanowires on semiconductor wafers. Their technique, described in ...
Florida Might Be Tech's Next Big Hub
Apr 27, 2007 |
4 / 5 (9) |
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Silicon Valley is still thriving despite its high cost of living, but a recent AEA report ranks Florida as the fourth-largest and second-fastest-growing "Cyberstate."
Gyrochronology -- a Powerful New Method to Determine Stellar Ages
Apr 27, 2007 |
4.8 / 5 (14) |
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Gyrochronology, a new method for accurately determining the ages of field stars based on their rotational rates, is being announced today by Sydney Barnes, Lowell Observatory astronomer. This fundamental research, "Ages for ...
Arming the fight against resistant bacteria
Biology /
Apr 27, 2007 |
5 / 5 (8) |
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In 1928, Alexander Fleming opened the door to treating bacterial infections when he stumbled upon the first known antibiotic in a Penicillium mold growing in a discarded experiment.
Nano Structures Can Pose Big Measurement Problems
Nanotechnology / Nanomaterials
Apr 27, 2007 |
2.6 / 5 (8) |
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Materials scientists will tell you that to best understand, characterize and eventually utilize the properties of a specific material, you have to be able to define how the atoms within it are arranged. In the case of common ...
Optoelectronic tweezers push nanowires around
Apr 27, 2007 |
3.5 / 5 (2) |
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In efforts that can improve studies of biological objects and the construction of nanotech materials, researchers at the University of California-Berkeley have invented "optoelectronic tweezers," a new way of controlling ...
Sponging up the evolutionary past
Biology /
Apr 27, 2007 |
4.6 / 5 (16) |
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University of Queensland researchers are exploring the evolution of what has been termed the “Rosetta Stone” of the gene world, by tracing the development of the humble sea sponge.
