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Costa Rica Is 99% Powered By Renewable Energy

Costa Rica is a country rich with renewable energy. In fact, it gets about 99% of all its electrical energy from clean sources, and it’s aiming to be the first country to become carbon neutral (more about that below). Some of Costa Rica’s energy sources include geothermal energy, the burning of sugarcane waste and other […]

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Rooftop Wind Turbines Ready For Commercial Use

Note: Images and Video © Lucid Dream Productions Wind turbines designed to be installed on rooftops are generating a lot interest lately. These compact turbines can be located on top of buildings, or attached to other parts of large structures like bridges. In turns out, though, that installing wind turbine in a city environment is […]

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How To Filter Your Drinking Water Very Efficiently

I’ve spent quite a bit of time researching how to filter drinking water effectively. Originally, I was interested in filtering the rainwater that falls on my roof. But I had to put that project on the back burner for now. During my research I noticed that there is little unbiased information available on water filters […]

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The Best LED Desk Lamps For 2014

Eco LED Table Lamp

Update April 2014: The OxyLED is now the bestselling desk lamp on Amazon. It’s a dimmable gooseneck LED lamp that costs $60. Also the new TaoTronics lamp looks good at $70. Here is our round-up of the best led desk lamps for 2014: Best Overall – The Softech DL-90 Multi-Function LED Desk Lamp This lamp […]

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LiFePO4 Batteries: A Breakthrough For Electric Vehicles

Lithion Ion Accumulator Battery

Note: If you looking for AA-sized LifePO4, you can find them here. Soon, we’ll probably be seeing Lithium Iron Phosphate (LiFePO4) batteries being used in most electric cars and bikes. This new battery type is set to dominate the market. Based upon lithium ion technology, LiFePO4 batteries offer many advantages over lithium cobalt dioxide (LiCoO2) […]

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