Rackspace 1Q profit rises

(AP) -- Rackspace Hosting Inc. said Monday that its first-quarter profit rose as managed hosting revenue climbed.

Complex software systems -- heal thyself

(PhysOrg.com) -- Software underlies modern life, keeping everything from mobile phone networks functioning to planes in the air, but ensuring increasingly complex systems stay free of faults has become an epic task. What ...

TiVo Is Not Kryptonite for Advertising After All

(PhysOrg.com) -- When digital video recorders (DVRs) like TiVo went mainstream, advertisers assumed the devices’ fast-forward buttons would doom the traditional 30-second TV spot. Most advertisers surveyed said they planned ...

Engineers Demo Smallest Room Temperature Laser

(PhysOrg.com) -- Imagine packing 4 billion nanolasers on a three-inch semiconductor wafer. That is now nearer to reality, thanks to researchers at the University of California, San Diego’s Jacobs School of Engineering, ...

Plumage-color traits more extreme over time

Ever since Darwin, researchers have tried to explain the enormous diversity of plumage colour traits in birds. Now researchers at the University of Gothenburg, Sweden, are adding something new to this particular field of ...

Scientists Explain Why Computers Crash But We Don't

(PhysOrg.com) -- Nature and software engineers face similar design challenges in creating control systems. The different solutions they employ help explain why living organisms tend to malfunction less than computers, a Yale ...

Masses of common quarks are revealed

(PhysOrg.com) -- A research group co-founded by Cornell physics professor G. Peter Lepage has calculated the mass of the three lightest and, therefore, most elusive quarks: up, down and strange.

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