Latest science news in Physics & Chemistry
Solar Water Heating Pays For Itself Five Times Over
An analysis of the engineering and economics for a solar water-heating system shows it to have a payback period of just two years. Researchers report on the success of the...
University of Virginia to Lead New $10 Million Center for Hypersonic Propulsion
A new center to develop the analytical tools needed to design the engines for a future hypersonic aircraft - one that could fly up to 12 times the speed of...
Immune Reaction To Metal Debris Leads To Early Failure Of Joint Implants
Researchers have identified a key immunological defense reaction to the metals in joint replacement devices, leading to loosening of the components and early failure.
Gouda Cheese Surrenders Its Secrets
A taste panel and analytical techniques reveal the source of Gouda flavor characteristics
Nanotubes find niche in electric switches
New research from Rice University and the University of Oulu, Finland, finds that carbon nanotubes could significantly improve the performance of electrical commutators that are common in electric motors and...
Obama order deals with scientific integrity
Memo puts emphasis on transparency and the best advice.
Tiny Radio Transmitters On Skis Help Competitive Skiers Analyze Every Move
Whether slalom or alpine skiing, competitive skiing is all about thousandths of a second. Hence, professional athletes must constantly refine their technique. Small radio transmitters will make it possible to...
Rare Single Top Quark Discovered In Collider Experiments
Scientists have observed particle collisions that produce single top quarks. The discovery of the single top confirms important parameters of particle physics, including the total number of quarks, and has...
Researchers Design Electronic Amplifier Capable of Functioning in Extreme Temperatures
(PhysOrg.com) -- Missions to space require 'warm' boxes, which protect electronic circuitry from extreme temperatures and exposure to radiation. Electrical engineering researchers at the University of Arkansas have designed and...
Electronic nose sniffs hazards
(PhysOrg.com) -- An advanced sensor technique and data processing used to monitor air conditioning inside space stations is now being used in an innovative fire protection system for Stockholm`s metro...
Quantum doughnuts slow and freeze light at will: 'fast computing & slow glass'
(PhysOrg.com) -- Research led by the University of Warwick has found a way to use doughnuts shaped by-products of quantum dots to slow and even freeze light, opening up a...
Transport Behavior of E. coli Varies Depending on Manure Source
New research was conducted studying the transport behavior of different strains of E. coli in an attempt to understand their movement through water supplies. Commonly only a single strain of...
New nanoporous material has highest surface area yet
ANN ARBOR, Mich.---University of Michigan researchers have developed a nanoporous material with a surface area significantly higher than that of any other porous material reported to date. The work, by a...
Energy opportunities seen amid crisis
Speakers at MIT's Energy Conference on Saturday emphasized the historic opportunity now open to proponents of clean energy: a global economic crisis that can be directly addressed by sweeping changes...
Lasers take a measure of halo nucleus
Frequency-comb and clever calculations pin down nuclear radius
Single-Molecule Magnets Open New Door for Information Technology
(PhysOrg.com) -- Recent research by scientists in Italy and France shows that that single molecules have the ability to store information via their magnetic state. Their work is a first...
Novel electric signals in plants
Using ion-selective micro-electrodes electrical signals in plants moving from leaf to leaf could be measured. The speed of the signals spreading as voltage changes over cell membranes ranged from 5...
Instant control for laser welding
Car doors are usually assembled from several sections of sheet metal which are welded together by laser. The laser beam moves over the slightly overlapping sheets and melts them in...
New genre of sugar-coated 'quantum dots' for drug delivery
Scientists in Switzerland are reporting an advance that could help tap the much-heralded potential of 'quantum dots' - nanocrystals that glow when exposed to ultraviolet light - in the treatment...
State-of-the-art electron microscope promises to aid major research advances
Arizona State University will be home to one of the world's most advanced electron microscopes, one that will enable researchers to do work essential to making significant advances in nanoscale...
Substantial undercooling brings about microstructural change for ternary eutectic alloy
The Department of Applied Physics, Northwestern Polytechnical University (NPU) in Xi'an, China-Research, has shown that the substantial undercooling of liquid state brings about novel microstructural transition for Al-Cu-Si ternary eutectic...
Lecture highlights advances in fuel and vehicle technology
A vision of the future will be presented at the University of Leicester during a lecture on developments in vehicle and fuel technology. The University of Leicester Department of Engineering's...
Scientists learn to 'declaw' plutonium
BEER-SHEVA, Israel, March 9 (UPI) -- Engineers at the Ben-Gurion University of the Negev in Israel say they have developed a way to "declaw" nuclear fuel, ensuring only...
It's raining pentagons
This week's Nature Materials (9 March 2009) reveals how an international team of scientists led by researchers at the London Centre for Nanotechnology (LCN) at UCL have discovered a novel...
Surfers Deal a Blow to a Florida Town’s Beach Dredging Project
Surfers succeeded in temporarily blocking the Palm Beach project on environmental grounds, a strategy widely used against beach erosion.
Engineered cell engine is step to artificial life
WASHINGTON (Reuters) - U.S. scientists said they have taken an important step toward making an artificial life form by making a ribosome -- the cell's factory.
Cross-dressing Rubidium May Reveal Clues For Exotic Computing
Researchers have learned how to "dress up" neutral atoms with laser light to make them act in ways similar to a charged particle like an electron. The costume scheme could...
Taking a stride toward synthetic life
Harvard scientists have cleared a key hurdle in the creation of synthetic life, assembling a cell’s critical protein-making machinery in an advance with both practical, industrial applications and that advances...