Latest science news in Physics & Chemistry

Spin Control: New Technique Sorts Nanotubes By Length

17 years ago from Science Daily

Researchers have reported a new technique to sort batches of carbon nanotubes by length using high-speed centrifuges. The technique should be easy to scale to industrial quantities for a variety...

Improved Ion Mobility Is Key To New Hydrogen Storage Compound

17 years ago from Science Daily

A materials scientist has deciphered the structure of a new class of materials that can store relatively large quantities of hydrogen. The new analysis may point to a practical hydrogen...

Climbing easy as walking for some primates

17 years ago from UPI

DURHAM, N.C., May 19 (UPI) -- A U.S. study shows climbing is as easy as walking for smaller primates, who expend no more energy for either activity.

MIT creates new material for fuel cells

17 years ago from UPI

CAMBRIDGE, Mass., May 19 (UPI) -- U.S. engineers say they have improved the power output of one type of fuel cell by more than 50 percent by creating...

Bacteria-resistant Films Created: Microbe Adhesion Depends On Surface Stiffness

17 years ago from Science Daily

Having found that whether bacteria stick to surfaces depends partly on how stiff those surfaces are, MIT engineers have created ultrathin films made of polymers that could be applied to...

Disorder Enables Extreme Sensitivity In Piezoelectric Materials

17 years ago from Science Daily

A research team has found an explanation for the extreme sensitivity to mechanical pressure or voltage of a special class of solid materials called relaxors. The ability to control and...

EchoStar to showcase first product for cable

17 years ago from Physorg

(AP) -- Former satellite TV provider EchoStar Corp. on Sunday will demonstrate its first product for cable companies at the industry's trade show: a unit that can tune in...

IBM claims solar power breakthrough

17 years ago from UPI

ARMONK, N.Y., May 16 (UPI) -- The IBM Corp. reports a research breakthrough in photovoltaics technology that the company says might significantly reduce the cost of solar power.

Precision Control Of Movement In Robots

17 years ago from Science Daily

Scientists are investigating the characteristics of various types of materials for their use in the generation and measurement of precise movements. When the arms of a robot move to pick...

Weather, waves and wireless: Super strength signalling

17 years ago from Physorg

A new study from the University of Leicester has discovered a particular window of time when mobile signals and radio waves are ‘super strength` - allowing them to be...

Ontario to resume coverage of sex-change operations

17 years ago from CBC: Health

The Ontario government will soon pay for sex-change operations again, Health Minister George Smitherman has confirmed.

Concern over small biomass option

17 years ago from BBC News: Science & Nature

Small-scale biomass power plants can have bigger enviro-impacts than other renewables, a study says.

Researchers devise 'mobile' medical imaging system

17 years ago from SciDev

Scientists have created a system that transfers medical images via mobile phones, enabling more economical imaging technology.

Nanotechnology In Reverse Uses Red Blood Cell To Calibrate Atomic Force Microscope

17 years ago from Science Daily

Nanotechnology researchers have shown that they can use a red blood cell to calibrate a sensitive instrument, an atomic force microscope. An atomic force microscope uses a tiny lever that...

U of Saskatchewan distinguished researcher finds an SOS response to cancer-causing agents

17 years ago from Biology News Net

Saskatoon, SK: University of Saskatchewan microbiologist Wei Xiao has found a way to trigger a protein combination called 9-1-1 that sends an SOS signal for cells to fight cancer-causing agents...

Energy-Saving Tip: Walk Like a Human

17 years ago from Science NOW

Vertical treadmills reveal that size matters when it comes to efficient locomotion

The Commercials Commerce

17 years ago from PopSci

I’m going to be straight with you—if you don’t click one of the ads on this page, we’re all doomed. Maybe not today or tomorrow or next week; but if...

Sharp Achieves the World`s Highest Power Density for Direct Methanol Fuel Cells

17 years ago from Physorg

Sharp Corp. has achieved the world's highest power density, 0.3W/cc, for direct methanol fuel cells (DMFC) for mobile equipment. This new technology enables efficient power generation from a small cell...

Fuel cells: distant dream, but burning with promise

17 years ago from Physorg

Some day, fuel cells may power your car and exhaust only water and perhaps carbon dioxide. More efficient and cleaner than an internal combustion engine, their emissions will be much...

Study Explores Physics of Wrinkling, Folding

17 years ago from Newswise - Scinews

Scientists at the University of Chicago and the University of Santiago in Chile have explained, for the first time, the physics that governs how thin materials at scales millions of...

Argonne-SRNL Agreement Supports Critical DOE, National Priorities

17 years ago from Newswise - Scinews

Argonne National Laboratory has signed a memorandum of understanding with Savannah River National Laboratory (to collaborate on nuclear energy and environmental management research projects in support of critical U.S. Energy...

Video: On a wing and a dare

17 years ago from The Guardian - Science

Swiss 'Fusion Man' is the first person to successfully fly with a rocket-propelled wing after leaping from plane

Self-Sustaining Solitary Light Wave Packets Could Inspire New Generation Of Computer Networks

17 years ago from Science Daily

European researchers say their study of self-sustaining solitary light wave packets could result in a new generation of computers and optical telecommunications networks. Using light rather than electronic or magnetic...

Opinion: Clean coal, dirty business?

17 years ago from Science Alert

Is it possible that coal corporations know that carbon capture and storage is not viable, but continue to promote it to maintain share prices, questions Tony Troughton-Smith?

'Giant microscope' that peers into the heart of a structure

17 years ago from The Guardian - Science

Isis is helping scientists understand everything from oil pipe blockages to the lungs of newborns

Researcher Creates 'Smart' Bandages to Test Cholesterol, Blood without Needles

17 years ago from Newswise - Scinews

A Mississippi State University electrical engineering researcher had developed "smart" bandages, able to gauge cholesterol, insulin and blood chemistry without needles. The technology could also triple life charges of cell...

Ants swarm over Houston area, fouling electronics

17 years ago from Physorg

(AP) -- In what sounds like a really low-budget horror film, voracious swarming ants that apparently arrived in Texas aboard a cargo ship are invading homes and yards across...