20/12/2010

Magnetic fields on O-Class stars

The primary method by which astronomers can measure magnetic field strength on stars is the Zeeman effect. This effect is the splitting of spectral lines into two due to the magnetic field's effect on the quantum structure ...

The 22.8-year switch: GE's Energy Smart LED

As the common household incandescent bulb marches towards extinction (they'll be completely phased out in the U.S. by 2014), the "battle of the bulb" heats up with CFLs, LEDs, and a new long-lasting contender, the ESL bulb, ...

Pirate Bay financier takes case to Supreme Court

A key financier of the Swedish filesharing site, The Pirate Bay, appealed to the country's highest court on Monday to overturn his four-month prison sentence and fines to the music and movie industry, court documents showed.

Study gathers comprehensive wind info to improve renewable energy

Meteorological equipment typically used to monitor storms could help power grid operators know when to expect winds that will send turbine blades spinning, as well as help them avoid the sudden stress that spinning turbines ...

Rare form of silver observed during routine calibration

What started out as an ordinary instrument calibration task using silver turned into research gold for scientists at Pacific Northwest National Laboratory. Contradicting nearly 40 years of measurement history, the team observed ...

Interdisciplinary team recreates colonial hydrology

Hydrologists may have a new way to study historical water conditions. By synthesizing present-day data with historical records they may be able to recreate broad hydrologic trends on a regional basis for periods from which ...

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