SCD lead story: May 6, 2005
"Blue Gene/L is up and running"

The IBM Blue Gene/L, NCAR's newest supercomputer, is named "frost" because it runs cooler than most microprocessor-based high-end systems.

Frost seems to be tilted because a triangular-shaped air duct, or plenum, is attached to it on either side. The plenum on the left directs cold air from underneath the floor through the machine. The plenum on the other side directs hot exhaust air upward.

Photo: Lynda Lester, NCAR/SCD

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