Supercomputers a hidden power center of Silicon Valley

Silicon Valley is famed for spawning the desktop, mobile and cloud computing revolutions. What is less well known is that it's one of the nerve centers for building the world's fastest number-crunchers.

WISE spacecraft discovers most luminous galaxy in universe

A remote galaxy shining with the light of more than 300 trillion suns has been discovered using data from NASA's Wide-field Infrared Survey Explorer (WISE). The galaxy is the most luminous galaxy found to date and belongs ...

PayPal's new chief promises new services for a mobile world

As PayPal prepares to split from its corporate parent, its new chief executive is promising to expand the popular online payment system, adding a variety of services for consumers to use when shopping on their phones or in ...

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