Storing Sunshine Using Flow Batteries

Flow batteries are a unique kind of battery — they have tanks that hold hundreds of gallons of the chemicals, called electrolytes. Flow batteries just happen to be very good at storing solar or wind power. Renewable power sources suffer from being intermittent, and less reliable for continuous power supply than coal or gas. Neither […]

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Manitoba Hydro Tower: 60% Energy Savings, 100% Fresh Air, Maximum Daylight

The new head offices for Manitoba Hydro, in downtown Winnipeg, will be a model for extreme climate design. Winnipeg is one of the coldest large cities in the world. Temperatures vary 100 degrees over a year. The design of the 700,000 ft² office tower is targeting a 60%+ reduction in energy consumption, through the use […]

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Optimal Toothbrush System

Smile-Bright-V-Wave-Replaceable-Head-Toothbrush-Extra-Soft-Natural-Bristles-049347080115

I consider the Smile Brite toothbrush system the most efficient and sustainable available, for two reasons. First, the toothbrush bristles comes from a natural source, and they don’t contain any synthetic dyes. This reduces the chemical load in your mouth. The bristles are harvested from special breeds of boar which have the fine, soft bristles […]

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