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4,861 to 4,872 of 4,866 stories (651 over past year)
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Scientists Confirm Existence Of Atom-Sized Electronic Devices Within Carbon Nanotubes
December 16, 1997 — Berkeley Lab scientists have confirmed the existence of atom- sized electronic devices on nanotubes, hollow cylinders of pure carbon about 50,000 times more narrow than a human hair in diameter. ... > full story -
Shape Changes In Ceramic Particles: A Paradox Explained
December 8, 1997 — A long-standing paradox in the theory of sintering ceramics has been resolved by Alan W. Searcy of the Materials Sciences Division at the Ernest Orlando Lawrence Berkeley National Laboratory. ... > full story -
Researchers Suggest Using Shock Waves As Inexpensive Method To Detect Plastic
December 5, 1997 — Plastic land mines are a guerrilla fighter's dream: they cost as little as a dollar, they're easy to make, they're often lethal and they cannot be detected by current technology. However, ... > full story -
Compressed Sulfur Found To Be A Superconductor
December 3, 1997 — A group of scientists from the Carnegie Institution and Russian Academy of Sciences report in this week's Nature magazine the surprising observation that sulfur becomes a superconductor at 93 GPa ... > full story -
U-M And U-Ill. Chemists Create Molecular Antenna To Harvest Light
November 17, 1997 — Imagine your roof covered with a thin film of organic molecules busily converting sunlight into electricity. Visualize tiny molecular flashlights illuminating the DNA of living cells. Picture ... > full story -
A Real McCoy 'Tricorder' -- Researchers Develop Affordable, Hand-Held Biosensor For Diagnostics
November 7, 1997 — A portable, hand-held biosensor capable of detecting a wide range of medically important chemical compounds has been created by a team of researchers from The Scripps Research Institute (TSRI) of La ... > full story -
Yale Scientists Measure Current Across Single Organic Molecule
October 10, 1997 — Researchers at Yale have succeeded for the first time in measuring an electric current flowing through a single organic molecule sandwiched between metal electrodes. The feat could pave the way ... > full story -
Modified Catalyst Simplifies Manufacture Of Myriad Goods
October 7, 1997 — By tweaking the structure of a class of increasingly popular chemical catalysts known as metallocenes, chemists at the University of Rochester have uncovered a much simpler way to make billions of ... > full story -
New Way To Drive Chemical Reactions: Collision Of Liquids At High Speed
October 5, 1997 — When a liquid moves fast enough, gas bubbles form and collapse in a process called cavitation, heard in the babbling sounds of streams and rivers. University of Illinois chemists report that ... > full story -
Electron Microscope Reveals Magic Sizes In Metal Alloys
September 24, 1997 — Scientists at the Ernest Orlando Lawrence Berkeley National Laboratory (Berkeley Lab) have made the surprising discovery that tiny crystals of lead in an aluminum matrix come in only a few specific ... > full story -
Sandia Patents Extreme Ultraviolet Source
September 22, 1997 — The realization that atomic gas clusters could serve as part of a sort of "light bulb" that emits extreme ultraviolet (EUV) light when laser-heated has inspired a recently patented invention ... > full story -
Computational Shortcut Speeds Quantum Chemical Calculations
September 11, 1997 — A Duke University theoretical chemist has described the development and application of a "divide and conquer" method requiring far fewer calculations to model the electronic structure of ... > full story
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