HOW TO: Prepare Healing Teas from Winter Trees

November 7, 2013 by  
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People have been using plants for both food and medicine for thousands of years, and most of us are probably quite familiar with several healing teas or infusions . Have you ever made peppermint tea to soothe an upset belly? Or steeped a cup of chamomile to calm jangled nerves and hopefully help you sleep? These are just a couple of plants that we have turned to for both help and mere enjoyment over the years, but many people don’t realize that certain trees can also be used to make beneficial drinks, especially over the colder months. Read the rest of HOW TO: Prepare Healing Teas from Winter Trees Permalink | Add to del.icio.us | digg Post tags: birch , chaga , conifer tea , conifers , evergreen , evergreen tea , evergreens , pine , scurvy , spruce , tamarack , tree teas , vitamin c        

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HOW TO: Prepare Healing Teas from Winter Trees

Underwater Kites Could Harvest 64 Times More Power Than Wind Turbines

November 7, 2013 by  
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Kite photo from Shutterstock How can we generate more power from renewable sources without using massive plots of land for solar and wind farms? Go fly a kite . According to David Olinger , an associate professor of mechanical engineering at Worcester Polytechnic Institute (WPI), tethered underwater kites could be used to generate large amounts of electricity by harnessing the power of ocean waves and currents. Olinger recently received a three-year, $300,000 grant from the National Science Foundation (NSF) to develop this technology, and work is scheduled to begin in January. Read the rest of Underwater Kites Could Harvest 64 Times More Power Than Wind Turbines Permalink | Add to del.icio.us | digg Post tags: “clean energy” , current energy , energy harvesting , kite , kites , ocean , ocean energy , renewable energy , Technology , underwater kites , wave energy        

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Underwater Kites Could Harvest 64 Times More Power Than Wind Turbines

Old-Fashioned Steam Engines Could Solve Solar Energy Storage Problem

November 7, 2013 by  
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Australian engineers might have solved one of the biggest obstacles to scaling up solar energy — the lack of affordable storage technology that allows solar to be used at peak demand after the sun goes down. Their California-based startup Terrajoule is applying an older technology, namely steam engines, to build a storage system that could lower the cost to under $100 per kWh, which is less than 20 percent of what it costs for current battery storage systems. This new system will also last longer (it has a 25 year lifecycle), thereby eliminating use of the toxic and rare materials contained in batteries. Read the rest of Old-Fashioned Steam Engines Could Solve Solar Energy Storage Problem Permalink | Add to del.icio.us | digg Post tags: concentrated solar power , distributed solar power generation , solar energy storage , steam engines , steam piston engines , storage system , Terrajoule        

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Old-Fashioned Steam Engines Could Solve Solar Energy Storage Problem

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