The Spun Chair: A Playful Sculpture That You Can Sit Upon

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Our first entry into the MetaEfficient gallery is the Spun Chair by Heatherwick Studio. Is it an oversized toy? Is it a sculpture? Is it a piece of furniture? All three perhaps. I first spotted the Spun Chair while at the Hammer Museum in Los Angeles. Everyone who took the chair for a spin seemed to be delighted. The chair gives …

The Longest Mountain Bike Trail In The World

Julie with BOB

It could be said that the Great Divide Bike Trail is like the Mount Everest of cycling adventures. Not only is it the longest mountain bike trail in the world at 2,500 miles, but it has over 200,000 feet of elevation gain. Stretching from Canada to Mexico, the Great Divide bike trail travels through some of the most mountainous regions …

The Best C-Size Rechargeable Batteries Of 2015


The best rechargeable C-size batteries are Acculoop C cells, by Accupower. These batteries are the new low self-discharge NiMH (Nickel Metal-Hydride) cells, and they have a high capacity of 4500 mAhs (milliamp hours).

Do Rechargeable Lithium-Ion AA Batteries Exist?


Do rechargeable lithium-ion batteries exist in standard sizes like AA, AAA, C or D? Yes, they are finally available. A company called Kentli has released AA and AAA rechargeable lithium polymer batteries that output 1.5 volts. Kentli batteries are available on Amazon here. Lithium-ion batteries normally operate 3.7V per cell — but Kentli put circuitry inside the cells to reduce the voltage …