25/10/2011

Scientists bring mysterious magnetic process down to earth

With the click of a computer mouse, a scientist at the U.S. Department of Energy's Princeton Plasma Physics Laboratory (PPPL) sends 10,000 volts of electricity into a chamber filled with hydrogen gas. The charge heats the ...

Follow the water to understand drought

Water is a precious resource many take for granted until there is too little or too much. Scientists and engineers have positioned instruments at the Susquehanna Shale Hills Observatory at Pennsylvania State University to ...

Breakthrough furnace can cut solar costs

(PhysOrg.com) -- Solar cells, the heart of the photovoltaic industry, must be tested for mechanical strength, oxidized, annealed, purified, diffused, etched, and layered.

Rendezvous with a near Earth object

(PhysOrg.com) -- One of the most accessible goals for human spaceflight is a rendezvous with a Near Earth Object (NEO). NEOs are asteroids or comets whose orbits take them close to the earth's orbit. An NEO might someday ...

Small but agile Proba-1 reaches 10 years in orbit

A good photographer needs agility. So it is with ESA microsatellite Proba-1, which turns in space to capture terrestrial targets. Celebrating its tenth birthday this week, Proba-1’s unique images are used by hundreds ...

Attacking cancer cells with nanoparticles

(PhysOrg.com) -- About every three days, Colleen Alexander, a chemistry graduate student, feeds cells that cause a deadly type of brain cancer. It’s a ritual that involves assessing the health of the cells under a microscope, ...

Making sodium-ion batteries that are worth their salt

(PhysOrg.com) -- Although lithium-ion technology dominates headlines in battery research and development, a new element is making its presence known as a potentially powerful alternative: sodium.

The orbits of exoplanets

(PhysOrg.com) -- An exoplanet is a planet orbiting a star other than our sun.

Team says Arctic ice shelf broke up before

(PhysOrg.com) -- Arctic shelf ice has been in the news of late due to its shrinkage over the past few decades that most attribute to global warning. Thus, its levels and seemingly constant calving have become ecological barometers ...

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