Naval Research Laboratory Flies Their Hydrogen-Powered Ion Tiger UAV for Over 48 Hours

May 15, 2013 by  
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A team from the U.S. Naval Research Laboratory (NRL) have broken their own record after flying their hydrogen fuel cell powered- Ion Tiger UAV for an astonishing 48 hours and 1 minute last month. The UAV , which used liquid hydrogen fuel in its  new, NRL-developed, cryogenic fuel storage tank and delivery system, broke its previous record of 26 hours and 2 minutes which it set in 2009. Read the rest of Naval Research Laboratory Flies Their Hydrogen-Powered Ion Tiger UAV for Over 48 Hours Permalink | Add to del.icio.us | digg Post tags: fuel cell , hydrogen , hydrogen fuel cell , hydrogen power , Ion Tiger UAV , liquid hydrogen , Naval Research Laboratory , NRL , UAV        

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Naval Research Laboratory Flies Their Hydrogen-Powered Ion Tiger UAV for Over 48 Hours

Wall Street Journal Prints Laughable Op-Ed Claiming CO2 Emissions Are Good for the Planet

May 15, 2013 by  
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Photo via Shutterstock According to a recent op-ed on the Wall Street Journal , rising CO2 levels are the best thing to happen to the planet since the Big Bang. The column was written by Harrison Schmidt, a former astronaut and adjunct professor of engineering at the University of Wisconsin-Madison, and William Happer, a professor of physics at Princeton University. In it, they claim that increased CO2 levels in the atmosphere will result in increased agricultural productivity. But mainstream science of course says this is a bunch of hooey. Read the rest of Wall Street Journal Prints Laughable Op-Ed Claiming CO2 Emissions Are Good for the Planet Permalink | Add to del.icio.us | digg Post tags: carbon dioxide good for plants argument , columbia journalism review , global warming , harrison schmidt , in defense of carbon dioxide , intergovernmental panel of climate change , mariana ashley , more co2 is good for the planet , phil plait , rapid rate of increase in co2 levels , ryan chittum , skeptical science , slate magazine , wall street journal , william happer        

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Wall Street Journal Prints Laughable Op-Ed Claiming CO2 Emissions Are Good for the Planet

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