How Linux saved Amazon millions

Online retailer Amazon.com shaved millions of dollars from its technology costs last quarter by switching to the Linux operating system, a disclosure that could provide some guidance for other companies seeking to cut expenses in a stagnant economy

Patent holder eyes Web services players

A patent held by a little-known programmer from New Jersey may complicate — at least temporarily — the grand visions of Web services touted by titans such as IBM, Microsoft and Sun Microsystems.

Charlie Northrup, the chief executive of software developer Global Technologies, holds one of the earliest patents that describe how diverse computer systems can talk to servers connected to the Web and run software on multiple platforms. Sound familiar? That’s just the kind of service Microsoft is pushing with its .Net strategy, a wide-ranging plan for moving business computing applications such as calendars, word processors and e-mail onto the Web

The Race to Mach 8

Australian scientists, led by Dr Allan Paull from the University of Queensland’s centre for hypersonics, will attempt to fire a rocket at hypersonic speeds this week. If successful their scramjet will be the fastest air breathing engine ever built, capable of pushing aircraft along at more than 10 times the speed of sound

Lights snapped from space

Red and green lights dance in the sky above the North and South poles. The two lights — the Aurora Borealis and Aurora Australis — appear to be a mirror image of each other. This picture was taken by a spacecraft during a recent space weather storm. It is the first time Northern and Southern Lights brightening at the same time at opposite ends of the Earth have been captured on film