Australian Island Using Flow Batteries To Store Wind Power

King Island is a small island off the Australian coast, near Tasmania. King Island isn’t connected to the mainland power grid, and apart from its own small wind farm it relied for a long time on diesel generators for its electricity. That changed in 2003 when the local utility company installed a mammoth rechargeable battery […]

Berkey Light Gravity-Flow Water Filter

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Gravity filters are more effective than other types of water filter, because the water drips slowly through the ceramic elements, and this process removes almost all the contaminants in water. The filters can be cleaned with a toothbrush and last for up to 2,000 gallons. This Berkey filters filter uses Black Berkey elements, and they […]

Faucet Restrictors/Aerators

Have you ever spent time at the sink, judiciously adjusting the hot and cold water, to achieve that happy medium between “cold” and “scalding hot”? Well, we’ve been there too — and we’ve noticed that water streams down the sink in a meta-inefficient manner. That’s why these faucet restrictors are so handy. They attach like […]