21/03/2012

Space Image: Sunspots and solar flares

(PhysOrg.com) -- NASA's Solar Dynamics Observatory (SDO) captured this image of an M7.9 class flare on March 13, 2012 at 1:29 p.m. EDT. It is shown here in the 131 Angstrom wavelength, a wavelength particularly good for seeing ...

Light pulses take a quantum walk

Tourists who drift aimlessly during a sightseeing tour are moving randomly - just like electrons that move from one atom to the next. To obtain a better understanding of these random motions it is often useful to reduce their ...

Japan, US, and EU to meet on rare earths

Japan said Wednesday it will host the European Union and United States at a meeting on developing alternatives for rare earths as Chinese controls on the key minerals raise fears of a supply squeeze.

Australian zoo probes mystery rhino deaths

An Australian outback zoo was Wednesday investigating the sudden and mystifying deaths of four white rhinos who showed "neurologic abnormalities" like stumbling.

India's Tech Mahindra announces Satyam merger

India's Tech Mahindra announced its long-awaited buyout of IT outsourcer Satyam Computer on Wednesday, creating a new force in the sector with annual revenue of $2.26 billion.

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