Physicists Set 'Speed Limit' For Future Superconducting Magnet Feb 13, 2007
A research team led by a Northwestern University physicist has identified a high-temperature superconductor -- Bi-2212, a compound containing bismuth -- as a material that might be suitable for the new wires needed to one day build the most powerful superconducting magnet in the world, a 30 Tesla magnet. The material currently used in magnetic resonance (MR) imaging machines in both hospitals and research laboratories -- a low-temperature superconducting alloy of the metallic element niobium --... (Science Daily)
In Russia's Science City, elemental discoveries Feb 12, 2007
Itkis, a nuclear physicist himself, knows the atomic number of every element in Dmitri Mendeleev's famous table and has a text on "exotic nuclei" on his bookshelf. Technically, the new elements weren't discovered so much as created. (SunSpot.net)
Controlling Electrical Properties Of Organic Semiconductor Materials Feb 4, 2007
-- Indium is a chemical element in the periodic table that has the symbol In and atomic number 49. This rare, soft, malleable and easily fusible poor metal, is chemically similar to aluminium or gallium. (Science Daily)
Nanostructured Material Offers Environmentally Safe Armor-piercing Capability, May Replace Depleted Uranium Feb 3, 2007
Armor-piercing projectiles made of depleted uranium have caused concern among soldiers storing and using them. Now, scientists at the U.S. Department of Energy s Ames Laboratory are close to developing a new composite with an internal structure resembling fudge-ripple ice cream that is actually comprised of environmentally safe materials to do the job even better. (Science Daily)
Researchers Achieve Major Breakthrough In Laser Diode Development Feb 1, 2007
A team of researchers at the University of California, Santa Barbara led by Shuji Nakamura, winner of the 2006 Millennium Technology Prize, has reported a major breakthrough in laser diode development. The photograph shows the far-field pattern of the world's first gallium nitride (GaN) nonpolar blue-violet laser diodes. (Science Daily)
Chaos On A Chip Feb 1, 2007
-- Krypton is a chemical element with the symbol Kr and atomic number 36. A colorless, odorless, tasteless noble gas, krypton occurs in trace amounts in the atmosphere, is isolated by fractionating. (Science Daily)
Green Detergents Clean Up As Environmentally Friendly Consumer Products Jan 31, 2007
-- Phosphorus is the chemical element in the periodic table that has the symbol P and atomic number 15. Phosphorus is commonly found in inorganic phosphate rocks and in all living cells. (Science Daily)
Transistor Technology Breakthrough Represents Biggest Change To Computer Chips In 40 Years Jan 30, 2007
-- Germanium is a chemical element in the periodic table that has the symbol Ge and atomic number 32. This is a lustrous, hard, silver-white, metalloid that is chemically similar to tin. (Science Daily)
Magnetic, Luminescent Nanoparticles Set New Standard Jan 27, 2007
-- The lanthanide series comprises the 15 elements from lanthanum to lutetium on the periodic table, with atomic numbers 57 through 71 ... -- Cerium is a chemical element in the periodic table that has the symbol Ce and atomic number. (Science Daily)
NIST 'Standard Bullet' Fights Gang Violence Jan 23, 2007
-- Lead is a chemical element in the periodic table that has the symbol Pb and atomic number 82. Lead has a dull luster and is a dense, ductile, very soft, highly malleable, bluish-white metal that has. (Science Daily)
Scientists Discover Way To Order Polar Molecules In Crystals Jan 23, 2007
-- Bismuth is a chemical element in the periodic table that has the symbol Bi and atomic number 83. This heavy, brittle, white crystalline trivalent poor metal has a pink tinge and chemically resembles. (Science Daily)
Scientists Stabilize Platinum Electrocatalysts For Use In Fuel Cells Jan 13, 2007
-- Platinum is a chemical element in the periodic table that has the symbol Pt and atomic number 78. A heavy, malleable, ductile, precious, grey-white transition metal, platinum is resistant to. (Science Daily)
Radiation Degrades Nuclear Waste-containing Materials Faster Than Expected Jan 12, 2007
-- Bismuth is a chemical element in the periodic table that has the symbol Bi and atomic number 83 ... -- Thallium is the chemical element in the periodic table that has the symbol Tl and atomic number 81 ... -- Radon is a chemical element in the periodic table that has the symbol Rn and atomic number 86. (Science Daily)
A New Family Of Lead-Free Optical Glasses Jan 9, 2007
-- Thallium is the chemical element in the periodic table that has the symbol Tl and atomic number 81 ... -- Lanthanum is a chemical element in the periodic table that has the symbol La and atomic number. (Science Daily)
PO for polonium Jan 7, 2007
Until recently, polonium was a little-known metalloid going by the symbol Po on the periodic table of elements and the atomic number 84. That all changed in late 2006, when the substance was ;ngered as a possible murder weapon in the. (Boston Globe -- World)
Nanoscale Cubes And Spheres: Uniform Porous Silicon Oxide Nano-objects Formed By Controlled Disassembly Of A Lattice Structure Jan 5, 2007
-- Silicon is the chemical element in the periodic table that has the symbol Si and atomic number 14. A tetravalent metalloid, silicon is less reactive than its chemical analog carbon. (Science Daily)
Could Improved Wheats Reduce Magnesium Deficiencies? Jan 4, 2007
-- Magnesium is the chemical element in the periodic table that has the symbol Mg and atomic number 12 and an atomic mass of 24. 31. (Science Daily)
Environmental Fate: Industrial Nanomaterials Appear Vulnerable To Dispersal In Natural Environment Dec 24, 2006
-- Carbon is a chemical element in the periodic table that has the symbol C and atomic number 6. Carbon occurs in all organic life and is the basis of organic chemistry. (Science Daily)
World's Fastest Transistor Approaches Goal Of Terahertz Device Dec 14, 2006
Scientists at the University of Illinois at Urbana-Champaign have again broken their own speed record for the world's fastest transistor. With a frequency of 845 gigahertz, their latest device is approximately 300 gigahertz faster than transistors built by other research groups, and approaches the goal of a terahertz device. (Science Daily)
Stripping Away Lead-based Paint In A Flash Dec 12, 2006
A new paint stripper that combines the principles of a vacuum cleaner and a pulsed lamp shows promise as a much-needed new technology for removing dangerous lead-based paint from older housing, scientists in Massachusetts are reporting. Michael J. Grapperhaus and Raymond B. Schaefer explain that existing lead abatement methods have drawbacks. (Science Daily)
Regional Nuclear War Could Devastate Global Climate Dec 12, 2006
It has the symbol Pu and the atomic number 94 ... -- Isotopes are forms of an element whose nuclei have the same atomic number-the number of protons in the nucleus--but different mass numbers because they contain different numbers of. (Science Daily)
Unusually Stable Glasses May Benefit Drugs, Coatings Dec 9, 2006
-- Boron is a chemical element in the periodic table that has the symbol B and atomic number 5. A trivalent metalloid element, boron occurs abundantly in the ore. (Science Daily)
Researchers Clear Way To Stronger Glass Dec 8, 2006
Look at your window - not out it, but at it. Though the window glass looks clear, if you could peer inside the pane you would see a surprising molecular mess, with tiny particles jumbled together any which way. (Science Daily)
Low Doses Of Arsenic Can Have Broad Impact On Hormone Activity Dec 7, 2006
-- Arsenic is a chemical element in the periodic table that has the symbol As and atomic number 33. This is a notoriously poisonous metalloid that has three allotropic forms; yellow, black and grey. (Science Daily)
'Stripes' And Superconductivity: Two Faces Of The Same Coin? Dec 7, 2006
-- Tin is a chemical element in the periodic table that has the symbol Sn (L. Stannum) and atomic number 50. This silvery, malleable poor metal that is not easily oxidized in air and resists corrosion. (Science Daily)
Experts Fear Spy Death Will Inspire Terrorists Dec 7, 2006
Polonium is atomic number 84 on the periodic table. It was the first element discovered by Nobel Prize winner Marie Curie in the late 19th Century, and she named it in honor of her country of origin, Poland. (CBS 11, TX)
Brilliant Growth Without Gold: New Methods For Manufacturing Nanowires From Silicon Nov 30, 2006
Silicon nanowires can help to further reduce the size of microchips. Scientists at the Max Planck Institute for Microstructure Physics in Halle have for the first time developed single crystal silicon nanowires that fulfil the key criteria to this end. (Science Daily)
Nanotubes Tracked In Blood And Liver: Study Finds No Adverse Effects Nov 30, 2006
In the first experiments of their kind, researchers at Rice University and The University of Texas M. D. Anderson Cancer Center have determined that carbon nanotubes injected directly into the bloodstream of research lab animals cause no immediate adverse health effects and circulate for more than one hour before they are removed by the liver. The findings are from the first in vivo animal study of chemically unmodified carbon nanotubes, a revolutionary nanomaterial that many researchers hope... (Science Daily)
Dutch Scientists Make World's Smallest Piano Wire Nov 29, 2006
Researchers from Delft University of Technology and FOM Foundation have successfully made and 'tuned' the world's smallest piano wire. The wires are made of carbon nanotubes that measure approximately 2 nanometers in diameter. (Science Daily)
Scientists Find Safer Ways To Detect Uranium Minerals Nov 27, 2006
The threat of 'dirty' bombs and plans to use nuclear power as an energy source have driven Queensland University of Technology scientists to discover a new, safer way of detecting radioative contamination in the ground. Professor Ray Frost, from QUT's School of Chemical and Physical Sciences, has found a way of identifying, from a remote location, uranium deposits that have leached into the soil and water. (Science Daily)
On The Cutting Edge: Carbon Nanotube Cutlery Nov 23, 2006
Researchers at the National Institute of Standards and Technology (NIST) and the University of Colorado at Boulder (CU) have designed a carbon nanotube knife that, in theory, would work like a tight-wire cheese slicer. In a paper presented this month at the 2006 International Mechanical Engineering Congress and Exposition*, the research team announced a prototype nanoknife that could, in the future, become a tabletop tool of biology, allowing scientists to cut and study cells more precisely than... (Science Daily)
Visionary security Nov 22, 2006
" Optosecurity was able to showcase its ability earlier this year at a demonstration at its Quebec City headquarters to all stakeholders in cross-border security including representatives from Transport Canada, the Canadian Airline Safety Agency and the US Homeland Security Agency. When asked if the system could recognize potentially harmful liquids, the company was able to demonstrate OptoScreener's talents. "Some x-ray machines now come with the ability to recognize atomic numbers of items,"... (Globe and Mail -- Technology)
Rice Chemists Create, Grow Nanotube Seeds Nov 18, 2006
Rice University chemists today revealed the first method for cutting carbon nanotubes into "seeds" and using those seeds to sprout new nanotubes. The findings offer hope that seeded growth may one day produce the large quantities of pure nanotubes needed for dozens of materials applications. (Science Daily)
Honey, I Shrunk The Carbon Nanotubes! Nov 16, 2006
ScienceDaily: Honey, I Shrunk The Carbon Nanotubes. Honey, I Shrunk The Carbon Nanotubes. (Science Daily)
Researchers Discover Way To See How A Drug Attaches To A Cell Nov 15, 2006
Sandia National Laboratories researchers John Shelnutt and Yujiang Song have discovered a better way to see where a drug attaches to a cell through a new process that produces novel hollow platinum nanostructures. Electron microscope image of hollow platinum nanocage. (Science Daily)
Cold War Invisible Ink Secrets Unlocked Nov 9, 2006
-- Cerium is a chemical element in the periodic table that has the symbol Ce and atomic number. . (Science Daily)
New Techniques Pave Way For Carbon Nanotubes In Electronic Devices Nov 9, 2006
Many of the vaunted applications of carbon nanotubes require the ability to attach these super-tiny cylinders to electrically conductive surfaces, but to date researchers have only been successful in creating high-resistance interfaces between nanotubes and substrates. Now a team from Rensselaer Polytechnic Institute reports two new techniques, each following a different approach, for placing carbon nanotube patterns on metal surfaces of just about any shape and size. (Science Daily)
Shedding Light On The Darkening Of Ancient Pompeii's Paintings Nov 2, 2006
-- Mercury, also called quicksilver, is a chemical element in the periodic table that has the symbol Hg and atomic number 80. A heavy, silvery, transition metal, mercury is one of five elements that are. (Science Daily)
HYPER-CEST MRI Breaks New Ground In Molecular Imaging Oct 24, 2006
-- Xenon is a chemical element in the periodic table that has the symbol Xe and atomic number 54. A colorless, very heavy, odorless noble gas, xenon occurs in the earth's atmosphere in trace amounts and. (Science Daily)
Potassium Limitation, Ammonium Toxicity And Amino Acid Excretion In Yeast Oct 21, 2006
-- Nitrogen is the chemical element in the periodic table that has the symbol N and atomic number 7. Nitrogen constitutes 78 percent of Earth's atmosphere and is a constituent of all living tissues. (Science Daily)
Quick Guide and Transcript Oct 18, 2006
It's true: Hg is the symbol for mercury, whose atomic number is 80. LLOYD: In Hawaii, they're still assessing damage from Sunday's quake. (CNN -- Education)
Optical Electronic Devices Could Benefit From New Semiconductor Standard Oct 18, 2006
A wide range of optical electronic devices, from laser disk players to traffic lights, may be improved in the future thanks to a small piece of semiconductor, about the size of a button, coated with aluminum, gallium, and arsenic (AlGaAs). The 1-centimeter square coating, just 3 micrometers thick, is the first standard for the chemical composition of thin-film semiconductor alloys issued by the National Institute of Standards and Technology (NIST). (Science Daily)
Scientists make first inert gas particle Oct 18, 2006
WASHINGTON Revisiting one of physics' most embarrassing cases of scientific misconduct, researchers from Russia and the United States announced Monday that they have created a new super-heavy element, atomic number 118. Scientists said they smashed together calcium with the manmade element californium to make an atom with 118 protons in its nucleus. (Globe and Mail)
Newest element is heaviest ever made Oct 18, 2006
WASHINGTON -- Researchers from Russia and the United States announced Monday that they had created a new super-heavy element, atomic number 118. Scientists said they smashed together calcium with the man-made element Californium to make an atom with 118 protons in its nucleus. (Orlando Sentinel -- News)
Livermore Scientists Team With Russia To Discover Element 118 Oct 17, 2006
This would allow certain isotopes of some transuranic elements (elements with atomic numbers greater than 92) to be far more stable than others, and thus decay much more slowly ... (August 20, 2003) -- At the 42nd General Assembly in Ottawa, Canada, the IUPAC Council officially approved the name for element of atomic number 110, to be known as darmstadtium, with symbol ... -- Isotopes are forms of an element whose nuclei have the same atomic number-the number of protons in the nucleus--but... (Science Daily)
Scientists create super-heavy element Oct 17, 2006
WASHINGTON (AP) - Revisiting one of physics' most embarrassing cases of scientific misconduct, researchers from Russia and the United States announced Monday that they have created a new super-heavy element, atomic number 118. Scientists said they smashed together calcium with the manmade element Californium to make an atom with 118 protons in its nucleus. (Herald Online, SC -- Health)
Researchers Find Why Ultramarine Blue Fades Oct 11, 2006
-- Cadmium is a chemical element in the periodic table that has the symbol Cd and atomic number 48. A relatively rare, soft, bluish-white, toxic transition metal, cadmium occurs with zinc ores and is. (Science Daily)
Naked Mole-Rat Unfazed By Oxidative Stress Oct 11, 2006
It has the symbol O and atomic number 8. The element is the most common on Earth, composing around 46% of the mass of Earth's crust, and is the. (Science Daily)
The mobile power challenge Oct 10, 2006
Mobile Computing Tips. 2006 Rating: --- (out of 5). (SearchMobileComputing.com)
Scientists Use Carbon Nanotube Networks To Detect Defects In Composites Oct 7, 2006
Two University of Delaware researchers have discovered a means to detect and identify damage within advanced composite materials by using a network of tiny carbon nanotubes, which act in much the same manner as human nerves. Tsu-Wei Chou: "Carbon nanotubes are very small but have superb qualities. They are very light, with a density about one-half that of aluminum, which itself is considered exceptionally light in comparison to other metals, and yet are 30 times as strong as high-strength steel... (Science Daily)
Model Homes Offer National Indoor Air Quality Impact Results Oct 7, 2006
-- Radon is a chemical element in the periodic table that has the symbol Rn and atomic number 86. A radioactive noble gas that is formed by the disintegration of radium, radon is one of the heaviest. (Science Daily)
Method Could Help Carbon Nanotubes Become Commercially Viable Oct 7, 2006
Carbon nanotubes are intriguing new materials which have been highly touted for their exceptional mechanical, thermal, optical and electrical properties. Single-walled carbon nanotubes are coated in soap-like molecules called surfactants, then spun at tens of thousands of rotations per minute in an ultracentrifuge. (Science Daily)
Alternative Energy: New Way To Take A Bite Of Sunlight Oct 6, 2006
-- Silicon is the chemical element in the periodic table that has the symbol Si and atomic number 14 ... -- Germanium is a chemical element in the periodic table that has the symbol Ge and atomic number 32. (Science Daily)
Highest Energies Yet From Laser Wakefield Acceleration: From Zero To A Billion Electron Volts In 3.3 Centimeters Oct 6, 2006
-- Krypton is a chemical element with the symbol Kr and atomic number 36. A colorless noble gas, krypton occurs in trace amounts in the atmosphere, is isolated by fractionating liquefied air, and is. (Science Daily)
Ancient Hair Dye Based On Nanotechnology Oct 5, 2006
A hair dye developed 2,000 years ago relied on nanotechnology to change the graying hair of people in ancient Greece and Rome into a youthful black color, scientists in France report. Philippe Walter and colleagues studied a hair-dyeing recipe first described in Greco-Roman times, which is the basis of modern hair dyes that gradually darken gray or white hair. (Science Daily)
Ohio University Researchers Create Improved Magnetic-semiconductor Sandwich Oct 5, 2006
-- Gallium is a chemical element in the periodic table that has the symbol Ga and atomic number 31. A rare, soft silvery metallic poor metal, gallium is a brittle solid at low temperatures but liquefies. (Science Daily)
The Point Of Icicles Oct 5, 2006
-- Calcium is a chemical element in the periodic table that has the symbol Ca and atomic number 20. Calcium is a soft grey alkaline earth metal that is used as a reducing agent in the extraction of. (Science Daily)
Ceramic Microreactors Developed For On-site Hydrogen Production Oct 4, 2006
-- Hydrogen is a chemical element in the periodic table that has the symbol H and atomic number 1. At standard temperature and pressure it is a colorless, odorless, nonmetallic, univalent, tasteless. (Science Daily)
New Ideas For X-Ray Lasers Sep 30, 2006
-- The lanthanide series comprises the 15 elements from lanthanum to lutetium on the periodic table, with atomic numbers 57 through 71 ... -- Krypton is a chemical element with the symbol Kr and atomic number 36 ... -- Gallium is a chemical element in the periodic table that has the symbol Ga and atomic number 31. (Science Daily)
Haute Couture From The Experimental Physics Lab Sep 29, 2006
-- Germanium is a chemical element in the periodic table that has the symbol Ge and atomic number 32. This is a lustrous, hard, silver-white, metalloid that is chemically similar to tin. (Science Daily)
Chemistry Defeats The 'Godzilla Of Odors' Sep 29, 2006
-- Sulfur or sulphur is the chemical element in the periodic table that has the symbol S and atomic number 16 ... -- Bromine is a chemical element in the periodic table that has the symbol Br and atomic number 35. (Science Daily)
Mechanically Interlocked Molecules Dress For Success Sep 28, 2006
It has the symbol Ar and atomic number 18. The third noble gas, in group 18, argon makes up about 1% of the Earth's atmosphere, making it the most. (Science Daily)
Continuous, Real-time Analysis Of Radioactive Waste Achieved Sep 22, 2006
It has the symbol K and atomic number 19 ... -- Sodium is the chemical element in the periodic table that has the symbol Na and atomic number 11 ... -- Lanthanum is a chemical element in the periodic table that has the symbol La and atomic number. (Science Daily)
Particle Size Matters To Bacteria Ability To Immobilize Heavy Metals Sep 22, 2006
-- Iron is a chemical element with the symbol Fe and atomic number 26. Iron is a group 8 and period 4 metal. (Science Daily)
Exoskeletons Of Crabs And Prawns May Help Reduce Radiation Poisoning Sep 20, 2006
-- Isotopes are forms of an element whose nuclei have the same atomic number-the number of protons in the nucleus--but different mass numbers because they contain different numbers of ... -- Cobalt is a chemical element in the periodic table that has the symbol Co and atomic number. (Science Daily)
