'Phonon Hall Effect' Observed

What effect do magnetic fields have on uncharged particles? Their effect on charged particles is familiar to every student of physics or electrical engineering. A common example is the Hall Effect, a basic phenomenon of ...

Oct 23, 2005 feature
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How to find a black hole

Black holes. Just the name evokes mystery and intrigue. But do they really exist? Scientists have discovered at least 20 objects in 20 different galaxies that are potential black holes and may contain event hor ...

Oct 20, 2005 feature
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Study Shows Silver Nanoparticles Attach to HIV-1 virus

In the first-ever study of metal nanoparticles' interaction with HIV-1, silver nanoparticles of sizes 1-10nm attached to HIV-1 and prevented the virus from bonding to host cells. The study, published in the Journal of Na ...

Oct 14, 2005 feature
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NanoWorld: Nature Inspired Micro Circuits

A team of chemical engineers, biologists, geneticists, and electronic engineers headed by Kenneth Sandhage at the Georgia Institute of Technology and colleagues has developed a new process for converting the finely detailed ...

Oct 13, 2005 feature
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Unlocking the organic composition of ancient asteroids

New technology discovers primitive organic matter in 4.5 billion year old meteorites Meteorites contain fragments of asteroids brought about by collisions within the asteroid belt. These meteorites have not been exposed ...

Oct 07, 2005 feature
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Machines making other machines: new twist on self-replication

How can we best build self-replicating machines? The past few decades have witnessed self-replicating virtual automata, ranging from the benign Game of Life by Conway to malicious computer viruses. Self-replicating physical ...

Oct 03, 2005 feature
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Analysis: China's futile Web clampdown

An axiom of Communist China's founder Mao Zedong goes, "a single spark can start a prairie fire." Today, the country's leaders fear this is only an Internet click away.

Sep 26, 2005
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Nano radios for microchips

Radios the size of bacteria employing nano-magnets could help microchips wirelessly communicate with one another, experts told UPI's Nano World.

Sep 15, 2005
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Zinc Powder Will Drive Your Hydrogen Car

A revolutionary method of using concentrated solar energy for producing hydrogen in a clean, safe and inexpensive way was developed by a cooperation of scientists from Israel, Sweden, Switzerland and France. ...

Sep 11, 2005
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Nanotechnology for Recovery and Reuse of Spilled Oil

The recent hurricane Katrina disaster has resulted in an oil crisis. Apart from the shortage there are reports of oil spills. Interface Science Corporation has announced that the company is launching its ...

Sep 09, 2005 feature
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Silicon Nanotechnology to Combat Biowarfare Agents

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. ...

Sep 06, 2005 feature
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