Dentist drills face competition

LONDON, July 22 (UPI) -- British scientists said they're developing ways to repair cavities without a dentist drill and remove plaque without a toothbrush.

Exotic Materials Using Neptunium, Plutonium Provide Insight Into Superconductivity

Physicists have gained new insight into the origins of superconductivity -- a property of metals where electrical resistance vanishes -- by studying exotic chemical compounds that contain neptunium and plutonium....

Closing the hydrogen economic loop

The inventor of the nickel metal hydride (NiMH) technology used for building batteries for countless portable electronic gadgets and now hybrid gas-electric cars believes the hydrogen economy is already upon...

Green light for massive wind farm

Europe's largest onshore wind farm will be built near Abington in South Lanarkshire, it is announced.

X-rays make light work of heavy metals

Shedding light on plants has possible implications for heavy metal decontamination, say Japanese scientists

B-52 crashes off Guam, Air Force says

The Air Force says a B-52 bomber carrying six crew members has crashed off the island of Guam.

Nanotechnology In Food And Packaging Accepted By Consumers

Consumers accept nanotechnology in nutrition for packaging and, to a lesser extent, even the food itself. In recent years, nanotechnology has joined gene and information technology in becoming a pinnacle...

Could Quantum Tunneling Be Measured By The Attosecond? New Research Leads The Way

Experimental physicists have described how circularly polarized light can be used to measure events in the attosecond range. A measurement of this kind could perhaps soon give an experimental answer...

Controlled Growth Of Truly Nanoscale Single Crystal Fullerites For Device Applications

Researchers have found a way to make ultra-small pure carbon crystals entirely formed from the spherical carbon 'buckyball' molecule known as C60. The method used involves mixing two liquids together,...

Student Devises Solar Energy ECG Useful For Developing Countries And Troubled Areas

A electrotechnology student has devised an ECG machine that runs on solar energy. This especially lends itself to use in developing countries or troubled areas.

Primary school finds the ultimate sustainable heat source - the pupils' metabolism

Architects claim a new primary will be so energy efficient that the children's body heat will keep it warm.

Idea of gas-tax holiday dies quick death

Solar Cooling Becomes A New Air-conditioning System

Scientists have developed an environmentally friendly cooling technology that does not harm the ozone layer. This is achieved by using solar energy and therefore reducing the use of greenhouse gases.

Purdue physicist found guilty of misconduct

Researcher Rusi P. Taleyarkhan, who says he produced tabletop fusion, falsely claimed that his findings had been independently replicated, a university panel finds. ...

Channel 4 to be censured over controversial climate film

Watchdog finds documentary was unfair to scientists but did not mislead viewers

PHOTOS: Fuel-Saving Designs Win Future-Plane Contest

A tailless plane and a craft that sports engines on top of its wings were among the ultra-efficient designs that took top honors in the 2008 NASA Fundamental Aeronautics Student...

Cern lab goes 'colder than space'

A giant physics lab on the Swiss-French border is being cooled to a temperature lower than that of outer space.

Researchers Capture Images that Illuminate One of Cell's Mysteries

(PhysOrg.com) -- Within human cells, tiny membrane-bound compartments called vesicles shepherd biomolecules from place to place.

Ashland To Buy Hercules For $3.3 Billion

Deal will create a specialty chemical firm focused on additives, paper technologies, and specialty resins

Shield of Invisibility Makes Lumpy Surface Smooth [News]

Researchers say they have come up with a new concept for a two-dimensional cloak of invisibility that would be much easier to make than the three-dimensional version demonstrated last year...

New uranium leak discovered at French nuclear site

French nuclear safety authorities said Friday that a broken pipe at a nuclear fuel plant in southeast France had caused a radioactive leak but no damage to the environment.

Shimmering ferroelectric domains

Ferroelectric materials are named after ferromagnetic ones because they behave in a similar way. The main difference: these materials are not magnetic, but permanently electrically polarized. They have great importance...

Beyond Cold: How the World Works at -459 Degrees

Atoms at room temperature move at about 500 feet per second, but after we cool them they move at mere tenths of an inch a second, about 10 times slower...

Promising New Method To Fabricate Ultra-thin Silicon Solar Cells Developed

Researchers are developing a new method to produce ~50µm thin crystalline silicon wafers for use in solar cells. The process involves mechanically initiating and propagating a crack parallel to the...

Colorado School of Mines first to use nuclear energy research partnership

Under a research partnership between the Advanced Test Reactor National Scientific User Facility at Idaho National Laboratory and MIT, a Colorado School of Mines nuclear materials irradiation experiment will be...

Sensor detects bad milk, blood coagulation and road stress

Craig Grimes, a professor of Electrical Engineering at Penn State, has created a very practical gadget.

Study: Fuel cell cars still 15 years away at best

Hydrogen fuel-cell vehicles are still 15 years away from becoming a viable business for automakers even if they overcome remaining technical hurdles and the U.S. government provides massive subsidies, a...

Shaping the Nation's Renewable Energy Future

Traditional economies may suggest that bigger is better, but the Oklahoma State University Biofuels Team has received widespread national recognition for cautioning that is not the case with all forms...