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Exactly what this means for climate change, however, isn't at all certain. Eight teragrams of anything, let alone a heat-trapping greenhouse gas, sounds dangerous, but as Martin Heimann of the Max Planck Institute for Biogeochemistry in Jena, Germany, points out, the newly discovered methane leak represents a small piece of the overall global total of methane emissions - about 500 teragrams annually - from wetlands, termites and agriculture (including belching cows, rotting manure and rice paddies...

Author: /time Magazine | Title: More Warming Worries: Methane from the Arctic | 3/4/2010 | See Source »

...really is destabilizing rapidly, it could in principle lead to a catastrophic burp that would release a massive amount of methane in a short time. That's a big if. The problem is that nobody has ever taken such careful measurements in this part of the world before, says Heimann. We have satellites that do a remarkable job of observing methane emissions from land, he says, but they're not very accurate over water. So while he considers Shakhova's data absolutely convincing, he's less convinced that these emissions are necessarily new. "In the context of the global methane...

Author: /time Magazine | Title: More Warming Worries: Methane from the Arctic | 3/4/2010 | See Source »

...tussles. Take those baggage-screening machines. Baumgartner complains that the explosive-detection system (EDS) machines selected by the TSA are too finicky, slow and error prone. Last winter Baumgartner hired his own consultants to look into bag-screening technology, and they chose a device made by a German manufacturer, Heimann. The TSA's machine tests for density but can't tell for sure whether the suspicious mass is explosives or chocolate, whereas the Heimann machine uses a more sophisticated X-ray method that can make such distinctions by computer. The Heimann machine is capable of screening 1,000 bags...

Author: /time Magazine | Title: Airport Security: Welcome to America's Best-Run Airport* | 7/15/2002 | See Source »

...tussles. Take those baggage-screening machines. Baumgartner complains that the explosive-detection system (EDS) machines selected by the TSA are too finicky, slow and error prone. Last winter Baumgartner hired his own consultants to look into bag-screening technology, and they chose a device made by a German manufacturer, Heimann. The TSA's machine tests for density but can't tell for sure whether the suspicious mass is explosives or chocolate, whereas the Heimann machine uses a more sophisticated X-ray method that can make such distinctions by computer. The Heimann machine is capable of screening 1,000 bags...

Author: /time Magazine | Title: The Nation's Best Run Airport — and Why It's Still Not Good Enough | 7/7/2002 | See Source »

...even a permanent headquarters. It works by a set of unwritten rules and owes much of its significance to the refined negotiating skills and political savoir faire of a succession of French Finance Ministry officials who, in the words of former U.S. Comptroller of the Currency John Heimann, "have rolled over a vast amount of Third World debt with a minimum of fuss...

Author: /time Magazine | Title: In Debt? Ring Up the Louvre | 7/13/1987 | See Source »

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