Latest science news in Physics & Chemistry

Nanostructures Will Raise Thin-Film Solar Cell Efficiency

9 years ago from Science Daily

Thanks to nanostructures that scatter and channel light, electrical engineers are working toward thin-film "single junction" solar cells with the potential for nearly 45 percent sunlight-to-electricity conversion efficiencies. This new...

Student Innovation Could Improve Data Storage, Magnetic Sensors

9 years ago from Science Daily

Paul Morrow, who will graduate from Rensselaer Polytechnic Institute on May 17, has come a long way from his days as an elementary school student, pulling apart his mother's cassette...

Firearms Microstamping Feasible But Variable, Study Finds

9 years ago from Science Daily

New technology to link cartridge cases to guns by engraving microscopic codes on the firing pin is feasible, but did not work equally well for all guns and ammunition tested...

Recipe For Energy Saving Unravelled In Migratory Birds

9 years ago from Science Daily

Pointed wings, together with carrying less weight per wing area and avoidance of high winds and atmospheric turbulence, save a bird lots of energy during migration. This is shown for...

Undergraduates develop 'dirt-powered' microbial fuel cells to light Africa

9 years ago from Biology News Net

A team composed of Harvard students and alumni was among the winners of the World Bank’s Lighting Africa 2008 Development Marketplace competition, held in Accra, Ghana from May 6 to...

Lasers are used to align molecules

9 years ago from UPI

ARGONNE, Ill., May 14 (UPI) -- U.S. scientists say difficulties involved with crystallizing molecules for synchrotron X-ray diffraction can be resolved by using lasers.

Student invents silicon chip alternative

9 years ago from UPI

TROY, N.Y., May 14 (UPI) -- A doctoral student has invented a transistor that has captured the attention of some of the largest U.S. and Japanese automobile companies.

Scientists seek better football fields

9 years ago from UPI

MADISON, Wis., May 14 (UPI) -- A U.S. team of scientists says it has found the most effective seed mixture and planting times for producing faster-growing, more durable...

Britain's Alien Files

9 years ago from PopSci

At 4 PM on April 19, 1984, a team of air traffic controllers at an airport in the east of England reportedly watched a strange, bright, circular vehicle touch down,...

A Smarter Way to Grow Graphene

9 years ago from Physorg

Graphene, a sheet of carbon just one atom thick, has many potential uses in the electronics industry, but producing these ideal two-dimensional carbon sheets is very difficult and, as a...

Innovative antennae may signal a 'new wave' in health care provision

9 years ago from Physorg

Compact, wireless and power efficient body sensors that allow doctors to monitor illnesses and injuries remotely are a step closer thanks to new research.

Study May Explain Variations In Superconducting Temperatures

9 years ago from Science Daily

New experiments at Cornell have verified a theory that variations in the distance between atoms in cuprate superconductors account for differences in the temperature at which the material begins to...

Held together by metal-metal bonds: a large ring containing 36 gold atoms

9 years ago from Physorg

Chinese researchers have recently made a “golden crown” with a diameter of only a few nanometers. It is a large ring-shaped molecule containing 36 gold atoms. The lords of the...

"Smart" Car Is Safe, Too, Study Says

9 years ago from CBSNews - Science

The micro car, the smallest car for sale in the U.S. market, offers a good level of safety, according to new crash tests conducted by the insurance industry.

EU gives green light to TomTom takeover of Tele Atlas

9 years ago from Physorg

EU regulators on Wednesday approved Dutch technology group TomTom's takeover of Tele Atlas after an in-depth probe found the deal would not significantly reduce competition in the SatNav sector.

Researchers discover architecture for fundamental processes of life

9 years ago from Biology News Net

A team of Canadian researchers has completed a massive survey of the network of protein complexes that orchestrate the fundamental processes of life. In the online edition of the journal...

National study examines health risks of coarse particle pollution

9 years ago from Physorg

Researchers at the Johns Hopkins Bloomberg School of Public Health have conducted the largest nationwide study on the acute health effects of coarse particle pollution. Coarse particles are airborne pollutants...

Insulation is NASA's 2007 best invention

9 years ago from UPI

MOFFETT FIELD, Calif., May 13 (UPI) -- The U.S. space agency says its 2007 Government Invention of the Year is a heat shield insulation material.

Soldered Lenses In Optical Devices Avoid Problems With Adhesives

9 years ago from Science Daily

Lenses in optical devices are kept in place by adhesives. This can cause problems when the microscopes and cameras are employed inside a vacuum, as the adhesives may release gases...

Small bioelectricity plants dirtier than large ones, says study

9 years ago from Physorg

Small-scale community based bio-power plants produce higher levels of emissions per unit of electrical output than large facilities, according to new research presented at a major sustainable energy conference today.

Re-energising the nuclear sector

A national laboratory will help the UK's nuclear sector play a key role in providing reliable, low carbon electricity.

Failure Analysis of Heat Treated Steel Components Published by ASM

9 years ago from Newswise - Scinews

Failure Analysis of Heat Treated Steel Components, a new reference including many examples of heat treatment failures with a special focus on the demands of tool steels and aerospace materials,...

A Sewage-Proof Suit

9 years ago from PopSci

Paragon Diving System Cost to Develop: $1.2 million Time: 7 years Prototype | | | | | Product Diesel oil and raw sewage slowly trickled into Taber MacCallum’s eyes as...

The Indestructable Bridge

9 years ago from PopSci

MAN OF FAITH: John Hillman stands under a test bridge made with his composite beams, which get their strength from a concrete arch inside. Photo by Mike Zicko/HC Bridge Company Hillman...

Ten Times the Turbine

9 years ago from PopSci

Sky Serpant Cost to Develop: $250,000 Time: 9 years Prototype | | | | | Product Today’s largest wind farms are the size of small towns, made up of...

The Zero-Emissions One-Wheeled Motorcycle

9 years ago from PopSci

RED HOT ROLLER: Gulak had a custom fiberglass body built for the Uno. Photo by John B. Carnett

A Rocket Engine for the Masses

9 years ago from PopSci

Viper Cost to Develop: $250,000Time: 2 yearsPrototype | | | | | Product If we’re ever going to see a true era of commercial space travel—a...

VIDEO: Lab Probes Universe's Secrets

9 years ago from National Geographic

In a laboratory under the Swiss Alps, a 17-mile (27-kilometer) circular particle accelerator—the world's largest—may help answer the oldest questions known to humans.