Mary Branscombe

It’s very small, very cold and very hard to program; D-Wave says it’s the first working quantum computer and it recognizes images.

Two servers per blade enable 1000 cores without special cooling, for Web 2.0 apps and Hollywood special effects..

Most Web 2.0 services are built on cheap, off-the shelf servers. IBM and HP think standardized servers, water cooling and petabytes of disk are a better answer.

Memory resident software can provide a level of security, but it can always be altered. We show you how special hardware on the motherboard works to shield PCs from a variety of threats.