Latest science news in Physics & Chemistry

At The Limits Of The Photoelectric Effect

16 years ago from Science Daily

By way of the classical photo effect, Einstein proved in 1905 that light also has particle characteristics. However, with extremely high light intensities, remarkable things happen in the process. With...

Solving the chalk mystery

16 years ago from

A piece of chalk in a laboratory at the University of Stavanger in Norway may be the key to unlock a great mystery. If the mystery is solved, it will...

Blood Testing, Mosquito Style: Electronic Device Lets Diabetics Test Glucose Painlessly

16 years ago from Science Daily

Biomedical engineers have patented a prototype of a device to test blood glucose levels quickly and painlessly. The Electronic Mosquito is designed after the biting mechanism of a mosquito.

Be one with the bike

16 years ago from LA Times - Health

No non-motorized sport melds athlete and technology like cycling. Every aspect of the body-machine interface is designed to increase efficiency and speed -- even down to the rider's shoes. Hard,...

Marcus Nanotechnology Building at Georgia Tech formally dedicated

16 years ago from

Three years after breaking ground, Georgia Tech is set to dedicate the Marcus Nanotechnology Building, one of the most ambitious and expensive projects in the Institute's history. The ceremony will...

New study reveals the protein that makes phosphate chains in yeast

16 years ago from

Phosphate chains store energy and have many more different functions in a cell. It can be found in all life forms, and serves a multitude of purposes, from energy storage...

'Sleep talking' PCs save energy and money

16 years ago from

Personal computers may soon save large amounts of energy by 'sleep talking.' Computer scientists at UC San Diego and Microsoft Research have created a plug-and-play hardware prototype for personal computers...

Surface-enhanced Raman scattering of Semiconducting Hybrid Nanoparticles

16 years ago from Physorg

Surface-enhanced Raman scattering (SERS) spectroscopy has the potential to allow single-molecule detection sensitivity. This capability presents new approaches for studying the biophysical and biomedical properties of complex biologically relevant systems...

Power thrust for spider silk

16 years ago from Physorg

(PhysOrg.com) -- Spiderman would definitely have an easier time of things with this spider silk - for example, if he had to stop a getaway car moving off at 100...

Quantum cat's 'whiskers' offer advanced sensors

16 years ago from Physorg

(PhysOrg.com) -- A team led by Oxford University scientists has turned one of the key problems with quantum entangled systems - that they are easily ‘disturbed` by their environment -...

Scientists Fabricate Organic Transistor with Improved Performance

16 years ago from Physorg

(PhysOrg.com) -- Organic semiconductors are promising building blocks for many devices, from LEDs to transistors, offering potential advantages such as cost-effectiveness, flexibility, and high performance. Currently, most research in organic...

A Beginner's Guide To Twitter

16 years ago from CBSNews - Science

Can you Twitter? Yes, and Rafe Needleman shows you how. Should you? You really won't know unless you try.

Presto! Fast color-changing material may lead to more powerful computers (w/Video)

16 years ago from Physorg

(PhysOrg.com) -- Researchers in Japan are reporting development of a new so-called "photochromic" material that changes color thousands of times faster than conventional materials when exposed to light.

'Self-healing' polymer may facilitate recycling of hard-to-dispose plastic

16 years ago from Physorg

(PhysOrg.com) -- Researchers in The Netherlands are reporting development of a new plastic with potential for use in the first easy-to-recycle computer circuit boards, electrical insulation, and other electronics products...

A New Type of Chemical Bond Takes Hold

16 years ago from Science NOW

Stretching the frontiers of chemistry, gigantic two-atom molecules confirm prediction from quantum theory

Molecule predicted by theory discovered

16 years ago from UPI

STUTTGART, Germany, April 23 (UPI) -- German-led scientists say they have observed for the first time a rare molecule, the existence of which has until now only been...

Northeastern University Center for Renewable Energy Technology Hosts Symposium on "Energy Challenges for the New Millennium"

16 years ago from Newswise - Scinews

April 27-29, Northeastern will host a renewable energy technology symposium that will feature forums, scientific sessions and educational outreach programs. The event will draw expert speakers, including the Honorable Dr....

Chylack and Dowling named ARVO Fellows

16 years ago from Harvard Science

The Association for Research in Vision and Ophthalmology (ARVO) has named Harvard Professor of Ophthalmology Leo T. Chylack Jr., and Gordon and Llura Gund Professor of Neurosciences John E. Dowling...

Sensor Detects Onset of Acute Myocardial Ischemia

16 years ago from Physorg

(PhysOrg.com) -- Engineering researchers at the University of Arkansas have fabricated and tested a unique biosensor that measures concentrations of potassium and hydrogen ions in the human heart with high...

Virtual engineer reduces 'transpiration phase' in new designs

16 years ago from Physorg

When designing new products, a lot of time is lost carrying out repetitive and uninspiring work. In order to shorten this 'transpiration phase' and create more room for real inspiration,...

A little air pollution boosts vegetation’s carbon uptake

16 years ago from Sciencenews.org

Aerosols bumped up world’s plant productivity by 25 percent in the 1960s and 1970s, new research suggests

Philips presents OLED-based interactive lighting concepts

16 years ago from Physorg

Royal Philips Electronics today premiered the world`s first OLED (Organic Light-Emitting Diodes) -based interactive lighting concepts, created for both consumer as well as professional use, during the Euroluce International Lighting...

Microbe-powered 'fart' machine stores energy

16 years ago from MSNBC: Science

It sounds like a gag gift instead of serious science, but a new electrical farting machine could improve fuel cell technology by turning C02 in the atmosphere into methane.

Double-action power stations: Energy and hydrogen

16 years ago from Physorg

(PhysOrg.com) -- Gas power plants could be cheaply retrofitted to generate hydrogen as well as power, chemists say in Green Chemistry, a Royal Society of Chemistry journal.

Microsoft workers get their very own mall

16 years ago from Physorg

Microsoft workers should never have to leave campus again to buy a beer, replace a bike tire or heal their spiritual energy through Reiki.

Blast mitigation expert helps create materials resistant to explosions

16 years ago from Physorg

The first few microseconds after an explosion are the most important moments for Arun Shukla, because that's when the first hint of damage occurs to nearby structures. As one...

More than one nanostring to their bow: Scientists moving closer to 'artificial noses'

16 years ago from Physorg

These days, chemical analysts are expected to track down even single molecules. To do this highly sensitive detective work, nano researchers have developed minute strings that resonate in characteristic fashion....

U.S. announces offshore wind farm plan

16 years ago from UPI

WASHINGTON, April 23 (UPI) -- The U.S. Interior Department has finalized a framework for the establishment of wind turbines off the Atlantic Coast, the department's head said Wednesday.