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A Healthier July Fourth: Eco-friendly Fireworks And Flares Poised To Light Up The Sky




From the rockets' red glare to bombs bursting in air, researchers are developing more environmentally friendly fireworks and flares to light up the night sky while minimizing potential health risks. Some eco-friendly fireworks may soon appear at a Fourth of July display or rock concert near you.


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Other Articles:


Nanobiology: Particles slip cell security
Nanoparticles with alternating striations of hydrophobic and hydrophilic ligands cross the cell membrane by a direct mechanism ? a route that delivers them to the main compartment of the cell while leaving the membrane undisrupted.
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Disease-Detecting Lab In The Palm Of Your Hand
Detecting food-borne diseases such as campylobacter and salmonella long before they enter the food chain would help ensure that the dinner on your table is safe to eat. There is no quick and simple way to detect infectious bacteria on farms, or even in food processing and distribution plants. Samples have to be sent to labs for testing, a process that can take hours or days.
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water screen! It can't be THAT hard...
I do VJ (video jockey) work at clubs and events and have been really wanting to make some type of water screen for projection. They cost $20,000 or so and i'm looking to build one for more of say, <$200. Im wanting something that would be maybe 10-15' wide and 10-12' tall. My idea is something like a tube on stands with some kind of nozzles that spray streams down close together into a gutter system below it with a fountain pump recirculating the flow. I figure a solid water screen that doesnt spray everywhere would be very difficult and expensive, but even one with lots of droplets or streams would be cool enough. So far ive been looking at drip irigation supply, you can get regulated nozzles at home depot for $4 for 10, but i dont know how fast a 2 gallon per hour drip would be.
The problem is that i usually am indoors at clubs and need this thing to not be spraying everywhere and making a wet area around it. Ill include some videos of professional units here. Thanks everyone for your ideas!

"http://www.youtube.com/watch?v=KKy4xs8ECO4"
and "http://www.youtube.com/watch?v=KC4eJ2CnQGc"
The second one shows a quick setup at the beginning.
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A molecular switch turns on the flame in 'nature's blowtorch'
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Fighting A Worldwide Wheat Threat
Wheat stockpiles are at a 30-year low and production costs are rising, but what really scares wheat growers is the specter of Ug99, a new rust fungus to which very few of the currently grown varieties of wheat are resistant.
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Dr. Mark Wrighton, Chancellor, Washington University in St. Louis, 7-19-07
I-CARES, sustainability, energy resources, science education. In June 2007, Washington University in St. Louis launched a new International Center for Advanced Renewable Energy and Sustainability. The I-CARES mission includes investing in infrastructure for world-class research efforts to meet the environment and energy challenges of the 21st Century.
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