LosAlamosNationalLaboratory -- Engadget

LosAlamosNationalLaboratory posts

Roadrunner beats Jaguar in TOP500 supercomputer rankings, cartoon antics strangely absent

by Tim Stevens, posted Nov 17th 2008 at 9:51AM

While titles like "world's fastest" and "world's largest" are fleeting at best, it's rare that we see such things taken down this quickly. Last week Cray delivered a big dish of braggadocio, talking up its 1.64 petaflop XT Jaguar supercomputer as the fastest (non-classified) machine in the world. Now, like some rocket skate-wearing coyote who's run out of thrust, it's been stymied by IBM's Roadrunner, deployed at Los Alamos. TOP500 is the authority on these matters and that list's latest rankings place Roadrunner in first place with a speed of 1.105 petaflops; Cray's Jag comes in second with a paltry 1.059. What about that 1.64 figure from last week? That was the hypothetical limit, and while it did deliver real-world performance of 1.3 petaflops for the folks at Oak Ridge, TOP500 relies on the Linpack benchmark for its ratings and apparently the Jag just couldn't deliver the goods there. Perhaps, Cray, it's time to make another call to ACME -- or AMD as it were.

Green Freedom turns the air's CO2 into auto-powering fuel

by Joshua Topolsky, posted Feb 23rd 2008 at 9:52AM

Tired of the air not doing enough for you? Well, a new project called Green Freedom -- headed up by researchers at the Los Alamos National Laboratory -- seeks to improve air's contribution to our planet. The new technology would provide a method of extracting CO2 from the air and then converting the gas into fuel for cars or airplanes -- thus creating a renewable energy source. The process uses a form of electrochemical separation to siphon juice out of the typically non-partying carbon dioxide, yet has a low environmental impact with a small waste-stream output. The plan calls for the use of existing plants, which will stem the need to build new facilities, enabling the environmental footprint to remain relatively small. Clearly, it's not being put into general practice yet, but it's a hopeful taste of things to come.

[Via Inhabitat]