Earlier this month we reported that Japan's "K Computer" built by Fujitsu broke the 10 Petaflop per second barrier on the Linpack benchmark, an impressive feat it achieved with 705,024 SPARC64 processing cores. Not only is that fast, but it also allowed the Super K system to hang onto its pole position atop the Top500's List of the world's most powerful supercomputers, Top500 announced today.

We've seen solar powered watches, keyboards, and a whole assortment of gadgets that draw power from sunlight. You can even deck out your home with solar panels as a way of cutting down on your energy bill, though the upfront cost is significantly higher than picking up a piece of electronics equipment already designed to swipe energy from the sun. One area where Fujitsu thinks solar power makes a lot of sense is in laptops, hence the company's new Luce concept.

Open-source stalwart Red Hat has announced an expanded partnership with Fujitsu to extend their collaboration to the cloud. These two have been partners for a long time, so it really shouldn't come as a shock that Red Hat Enterprise Linux is now available as a guest operating system on Fujitsu's "On-Demand Virtual System Service" public cloud.