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Edible nanostructures

Sugar, salt, alcohol and a little serendipity led a Northwestern University research team to discover a new class of nanostructures that could be used for gas storage and food and medical technologies. And the compounds are edible.

Materials Science | Source: Northwestern University | Views: 89 | Comments: 0
Listening to ancient colors

A team of McGill chemists have discovered that a technique known as photoacoustic infrared spectroscopy could be used to identify the composition of pigments used in art work that is decades or even centuries old. Pigments give artist's materials colour, and they emit sounds when light is shone on them.

Chemistry | Source: McGill University | Views: 91 | Comments: 0
Researchers discover proton diode

Biophysicists in Bochum have discovered a diode for protons: just like the electronic component determines the direction of flow of electric current, the "proton diode" ensures that protons can only pass through a cell membrane in one direction. Water molecules play an important role here as active components of the diode.

Biochemistry | Source: Ruhr-University Bochum | Views: 103 | Comments: 0
Mineral physicists find new scenery at Earth's core-mantle boundary

Using a diamond-anvil cell to recreate the high pressures deep within the earth, researchers at the California Institute of Technology (Caltech) have found unusual properties in an iron-rich magnesium- and iron-oxide mineral that may explain the existence of several ultra-low velocity zones (ULVZs) at the core–mantle boundary.

Geology | Source: California Institute of Technology | Views: 134 | Comments: 0
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More Physical Sciences News

Carlos '97 free kick no fluke, say French physicists

Roberto Carlos' free kick goal against France in 1997's Tournoi de France is thought by many to have been the most skilful free kick goal - from 35m with a powerful curling banana trajectory - ever scored; but by others to have been an incredible fluke.

Physics | Source: Institute of Physics | Views: 113 | Comments: 0
New pump created for microneedle drug-delivery patch

Purdue University researchers have developed a new type of pump for drug-delivery patches that might use arrays of "microneedles" to deliver a wider range of medications than now possible with conventional patches.

Materials Science | Source: Purdue University | Views: 110 | Comments: 0
Submarines could use new nanotube technology for sonar and stealth

Speakers made from carbon nanotube sheets that are a fraction of the width of a human hair can both generate sound and cancel out noise -- properties ideal for submarine sonar to probe the ocean depths and make subs invisible to enemies. That's the topic of a report on these "nanotube speakers," which appears in ACS' Nano Letters, a monthly journal.

Materials Science | Source: American Chemical Society | Views: 121 | Comments: 0
Listen up: experiment records ultrafast chemical reaction with vibrational echoes

To watch a magician transform a vase of flowers into a rabbit, it's best to have a front-row seat. Likewise, for chemical transformations in solution, the best view belongs to the molecular spectators closest to the action.

Chemistry | Source: University of Michigan | Views: 173 | Comments: 0
Glasperlenspiel: scientists propose new test for gravity

A new experiment proposed* by physicists at the National Institute of Standards and Technology (NIST) may allow researchers to test the effects of gravity with unprecedented precision at very short distances—a scale at which exotic new details of gravity's behavior may be detectable.

Physics | Source: National Institute of yStandards and Technology (NIST) | Views: 113 | Comments: 0
App shows 2-D structure of thousands of RNA molecules

"There's an app for that." To a cadre of scientists, the familiar phrase will soon mean they can enter a specific RNA from baker's yeast into their iPhone and see a depiction of its two-dimensional structure - thanks to a new technology developed by scientists at Stanford University.

Biochemistry | Source: Stanford University Medical Center | Views: 80 | Comments: 0
Researchers discover how to conduct first test of 'untestable' string theory

Researchers describe how to carry out the first experimental test of string theory in a paper published tomorrow in Physical Review Letters.

Physics | Source: Imperial College London | Views: 296 | Comments: 0
Developments in nanobiotechnology point to medical applications

Two new groundbreaking scientific papers by researchers at UC Santa Barbara demonstrate the synthesis of nanosize biological particles with the potential to fight cancer and other illnesses. The studies introduce new approaches that are considered "green" nanobiotechnology because they use no artificial compounds.

Materials Science | Source: University of California - Santa Barbara | Views: 71 | Comments: 0
Silicon oxide circuits break barrier

Rice University scientists have created the first two-terminal memory chips that use only silicon, one of the most common substances on the planet, in a way that should be easily adaptable to nanoelectronic manufacturing techniques and promises to extend the limits of miniaturization subject to Moore's Law.

Materials Science | Source: Rice University | Views: 141 | Comments: 0
Tiny rulers to measure nanoscale structures

With the advent of nanometer-sized machines, there is considerable demand for stable, precise tools to measure absolute distances and distance changes. One way to do this is with a plasmon ruler.

Physics | Source: American Institute of Physics | Views: 195 | Comments: 0
Impact hypothesis loses its sparkle

About 12,900 years ago, a sudden cold snap interrupted the gradual warming that had followed the last Ice Age. The cold lasted for the 1,300-year interval known as the Younger Dryas (YD) before the climate began to warm again.

Geology | Source: Washington University in St. Louis | Views: 171 | Comments: 0
From the Web
Non-evasive glucose monitoring

These peeps are measuring glucose levels with LIGHT through the SKIN. Potential for people to actually check their glucose levels.

Chemistry | Source: analytical chemistry | Views: 78 | Comments: 0
Hidden graves found using chemical 'sniffer' technology

A new technique uses a long tube to quickly sample the air above suspected gravesites. The specially coated tube can spot tiny amounts of a chemical linked to the breakdown of animal remains, up to months after the remains are buried.

Chemistry | Source: BBC | Views: 81 | Comments: 0
The Physics of a Rolling Rubber Band

Researchers model what happens when a rubber band rolls downhill

Physics | Source: Science | Views: 85 | Comments: 0
Mississippi River gets blame for giant 1811 quakes

Massive earthquakes that struck the town of New Madrid, Mo., in 1811 can be traced to the actions of the mighty Mississippi River thousands of years earlier, a new study in the journal Nature suggests.

Geology | Source: MSNBC | Views: 60 | Comments: 0
Best Team Not Guaranteed World Cup Success

Astrophysicist explains why the best team isn't guaranteed World Cup success.

Mathematics | Source: ABC News | Views: 267 | Comments: 0
Beam Me Up, Scotty! Scientists Teleport Info 10 Miles

We may never be able to teleport ourselves "Star Trek"-style, but scientists managed to transmit information a record distance using entangled photons.

Physics | Source: Discovery Channel | Views: 268 | Comments: 0
Mount St. Helens still a mystery 30 years later

The catastrophic eruption of Mount St. Helens on May 18, 1980 transformed modern understanding of volcanoes. But scientists today still struggle to successfully tap the deepest secrets of the mountain's foulest moods.

Geology | Source: MSNBC | Views: 354 | Comments: 0
From Fermilab, a New Clue to Explain Human Existence?

New evidence could help clear up why the universe is composed of matter and not its opposite, antimatter.

Physics | Source: NYTimes | Views: 273 | Comments: 0
Volatile Methane Ice Could Spark More Drilling Disasters

Energy companies used to avoid methane hydrates no matter what. Now the industry may be drilling right into danger.

Geology | Source: Discovery Channel | Views: 476 | Comments: 0
For Oiled Wildlife, Dawn Cleans Best

Trial and error through the years has shown that the dish detergent cleans oil off feathers and fur without irritating the skin.

Chemistry | Source: Discovery Channel | Views: 331 | Comments: 0
Experts Seek Clues to How Long Eruption Will Go On

Scientists say that so far the answer is unknown, as they watch for signs of seismic activity and changes in the slope of the volcano’s flanks.

Geology | Source: NYTimes | Views: 358 | Comments: 0
Roman ingots to shield particle detector

Lead from ancient shipwreck will line Italian neutrino experiment.

Physics | Source: Nature | Views: 315 | Comments: 0
Deep Ocean Waves Break on Sea Floor

The blending and mixing of internal waves helps to explain how oceans push energy around the world.

Geology | Source: Discovery Channel | Views: 627 | Comments: 0
CERN Collider Begins Subatomic Exploration

Following two false starts, the world’s biggest physics machine began to collide subatomic particles on Tuesday.

Physics | Source: NYTimes | Views: 475 | Comments: 0
Clean Diesel: Not So Precious After All

Researchers make a catalytic converter for diesel engines that doesn't need platinum

Chemistry | Source: Science | Views: 542 | Comments: 0
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