More Efficient Flight in Formation

January 22, 2014 by  
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Many people are very familiar with the V formation used by migrating flocks of birds, and scientists have determined that this is an efficient mode of travel which helps the birds conserve energy, especially on long migratory journeys. But the same concept is being considered to improve the efficiency of commercial jetliners. Among aircraft manufacturers, Airbus is one of the companies looking at the advantages of commercial flocking. “In a V formation of 25 birds, each can achieve a reduction of induced drag by up to 65 per cent and increase their range by 7 per cent. While efficiencies for commercial aircraft are not as great, they remain significant.” It is possible that, in the future, commercial flights might flock together in this way to save fuel. The initial tests of this approach might be carried out with trans-ocreanic flights originating in separate Australian cities which would coordinate their schedules and meet up in order to cross the Pacific together, before they “peel off and head to their separate destinations.” image credit: Airbus via: Quirks & Quarks

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More Efficient Flight in Formation

How AMD mobilizes a green army

October 17, 2012 by  
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Something remarkable happens when you put corporations and nonprofits, executives and activists, and artists and scientists together to brainstorm.

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How AMD mobilizes a green army

Rush Limbaugh Says Heat Index is a Gov’t Conspiracy, Lettermen Mocks Him (Videos)

July 25, 2011 by  
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As fringe climate skepticism was being pushed into the cultural mainstream over the last few years, it left many environmentalists and scientists scratching their heads. How could this be happening? w… Read the full story on TreeHugger

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Rush Limbaugh Says Heat Index is a Gov’t Conspiracy, Lettermen Mocks Him (Videos)

How Climate Change Threatens the American Farmer

November 29, 2010 by  
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Photo: nosha . Flickr, CC Too often, the conversation about climate change gets framed as a culturo-political debate: with liberals and scientists calling for action on one side, and conservatives and free market fundamentalists arguing against it on the other

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How Climate Change Threatens the American Farmer

Sea Dragons: Too Cute For Captivity? (Video)

April 2, 2010 by  
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Photo: Richard Ling ( Wikipedia ) Weedy Sea Dragons: beautiful and maybe even magic Could the aquarium trade threaten this amazing little guy? According to conservationists and scientists, the weedy sea dragon – a miniature, leafy-looking creature found only in the shallow waters off southern Australia – needs better protection from threats ranging from habitat loss to collectors, who prize its unique appearance. Read on to see more photos and a video of this captivating critter – straight out of nature’s fairy tale book

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Sea Dragons: Too Cute For Captivity? (Video)

ArmorLite CFL Keeps Mercury Inside Protective Coating if Bulb Breaks

March 15, 2010 by  
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Photo: ClearLite Safer CFLs: Why Didn’t Someone Think of This Sooner? By now just, about everybody knows that compact fluorescent lightbulbs (CFLs) contain some mercury (about 5 milligrams)

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ArmorLite CFL Keeps Mercury Inside Protective Coating if Bulb Breaks

Just About Everybody in Building is in the Home Star Coalition

March 15, 2010 by  
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oops! wrong HomeStar The construction industry is full of rugged individualists, but they don’t have a lot of work these days. That’s why they are all lining up to support President Obama’s “cash for caulkers” initiative, formally called Home Star. They have formed the Home Star Coalition to promote it.

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Just About Everybody in Building is in the Home Star Coalition

Shanghai’s First PETA Benefit Gets Wild

March 15, 2010 by  
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This is a guest post by Rebecca Kanthor , a journalist based in Shanghai.

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Shanghai’s First PETA Benefit Gets Wild

Smart Energy Glass Turns On And Off, Generates Electricity

March 15, 2010 by  
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Liquid crystal switching windows have been around for a while, and just last week Mike wrote about how Energy-Saving Dynamically Tinted Glass Could Make Most Buildings More Efficient . Now Dutch entrepreneurs Casper van Oosten and Teun Wagenaar have taken switchable glass one step further: their Smart Energy Glass collects solar energy and generates its own power. ..

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Smart Energy Glass Turns On And Off, Generates Electricity

Cold Snap Vs Climate Change: The Must-See Video

January 19, 2010 by  
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Photo via Hasty Ruminations Wintertime can often prove a headache for anyone in the business of trying to find solutions to human-caused climate change.

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Cold Snap Vs Climate Change: The Must-See Video

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