TOKYO -- Japan's largest providers of data centers plan to eliminate nearly all the energy wasted on cooling the hardware by placing servers in vats of liquid.
KDDI and NTT Data to cut power used in diverting hardware's heat by over 90%

KDDI's immersion system uses insulating oil to cool servers. (Photo by Risa Kawaba)
TOKYO -- Japan's largest providers of data centers plan to eliminate nearly all the energy wasted on cooling the hardware by placing servers in vats of liquid.