New Record: World’s Largest Wind Turbine (7+ Megawatts)

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The world’s largest wind turbine is now the Enercon E-126. This turbine has a rotor diameter of 126 meters (413 feet). The E-126 is a more sophisticated version of the E-112, formerly the world’s largest wind turbine and rated at 6 megawatts. This new turbine is officially rated at 6 megawatts too, but will most likely produce 7+ megawatts (or …

U.S. To Phase Out Incandescent Light Bulbs

Photo credit: USA today After being passed by Congress, Bush just signed into law a massive energy bill that will, among other things, spell the end of traditional light bulb. USA Today reports that the bill will phase out the venerable (but power-hungry) incandescent bulb over the next dozen years in favor more efficient fluorescent, halogen, and LED bulbs. Specifically, …

Windspire: Propeller-Free Household Turbine Gets Approval

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We just featured the largest wind turbine in the world, now here’s something at the opposite end of the spectrum: a household wind turbine. In the last few years, we’ve seen a lot of mini-wind turbines that haven’t turned out to be very useful. But the Windspire turbine from Mariah Power sounds interesting. The Windspire has a propeller-free vertical-axis design, …

The Best Rechargeable Batteries and Chargers Of 2016

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In A Nutshell Here are my recommendations for the best rechargeable AA batteries: If you want the best energy capacity (2500 mAh) — get the Eneloop Pro If you want maximum recharge capacity (2100 times) — get the 4th Generation Panasonic Eneloops (800 mAh) If you want to save some money and don’t mind a little less performance from your …

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 and filtration techniques.

The Best Battery Chargers (For D and C Size Batteries)

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We briefly reviewed battery chargers in a previous post “The Best Rechargeable AA Batteries“. But let’s take a look at the best “Universal Battery Chargers”. These are chargers that can handle AAA, AA, C, D sized cells, and well as 9V cells.

Greece Plans To Construct World’s Largest Solar Farm (200 Megawatts)

The wave of interest in solar power across Europe has now touched Greece, and in a big way. The Mediterranean country of over ten million inhabitants plans to construct Earth’s biggest solar farm. Estimated to cost €600 million ($822 million), the project will cover 1,285 acres of depleted coal mines in the northern city of Kozani.

Mercury Fillings: Not Efficient

Update: Recently, the FDA concluded that mercury filling have safety issues, see this news story. Sweden, Denmark and Norway have banned them. Germany and Austria have discouraged use. Yet, in the United States, dental amalgams, the “silver” fillings that have been commonly used in dental practices for decades, are still used frequently as an inexpensive and popular treatment for cavities. …

$2 Billion Wind Turbine Order Is Largest Ever

Texas oilman T. Boone Pickens has placed an the largest ever order for wind turbines: he ordered 667 wind turbines from GE, each costing $3 million dollars, making the total order $2 billion. Pickens plans to develop the world’s largest wind farm in the panhandle of Texas.

The Best Rice Cookers

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I recommend a fuzzy logic rice cooker if you eat rice every day, basically making your cooker an always-on device. Your rice will take about twice as long to cook as it does in on-off rice cookers — but if rice is part of your daily routine, that will never be a concern. In a fuzzy logic cooker, there will …