Stories by Jon Gold

CES diary: Scenes from the show floor

CES, as you may have read in this very publication, is big. Like, really, really big. The Las Vegas Convention Center has 3.2 million square feet of floor space, of which CES this year used about two thirds, and it's easy to get genuinely lost in the vastness of the main halls.

Stun-gun-equipped iPhone case looks to generate more than a buzz

At a glance, the Yellow Jacket looks like any other iPhone case, albeit a little bulkier – another of the numberless hollow exoskeletons for the most recognizable smartphone on the market. Flipping a small cover at the top of the Yellow Jacket down, however, reveals the sharp prongs of a 650,000-Volt stun gun – making the case protective in more ways than one.

Meet the fastest supercomputers in the world

It's that time again – 2013's second and last Top500 report is out, detailing and ranking the most powerful supercomputers on the planet. Here's our walkthrough of just the top 10, which features a lot of long-standing heavyweights, along with a new face.