Laughing gas bugs

From the University of Tennessee at Knoxville  where they think N2O is no laughing matter. It is another example of Nature’s adaptation. But I have to wonder though why they think this is “unexpected”, because denitrification(bacterial conversion to N2) has been well known to science and agriculture for decades. This PR looks like code for…

Something practical – new roof design saves energy

ORNL roof and attic design proves efficient in summer and winter By Emma Macmillan OAK RIDGE, Tenn., Sep. 10, 2012 — A new kind of roof-and-attic system field-tested at the Department of Energy’s Oak Ridge National Laboratory keeps homes cool in summer and prevents heat loss in winter, a multi-seasonal efficiency uncommon in roof and…

Does CO2 correlate with temperature history? – A look at multiple timescales in the context of the Shakun et al. paper

Guest post by Michael Pacnik Especially in the context of recent discussion of the Shakun et al. paper, a look at other sources for temperature history versus CO2 can be helpful, examining timescales ranging from the past century to the past 11000 years and even the past 500 million years. Recent discussion of the Shakun…

Friday Funny – New NOAA supercomputer “Gaea” revealed

From the Atomic City Underground Blog of knoxvillenews.com comes word that a big kahuna of komputing is about to go online. The Cray XK6 supercomputer is a trifecta of scalar, network and many-core innovation. It combines Cray’s proven Gemini interconnect, AMD’s leading multi-core scalar processors and NVIDIA’s powerful many-core GPU processors to create a true,…