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From the monthly archives:

April 2009

Incredibly Slim, Versatile Loudspeakers Could Change The Face of Audio

April 28, 2009

Audiophiles have long been presented with an unending dilemma, pitting the need for sonic perfection against the desire to maintain a comfortable, aesthetic living environment (and happy spouse). This is usually a precarious balance, since the best-sounding speakers are often the largest and, dare we say, ugliest. While many technologies have addressed this dilemma in [...]

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New On Optimal Ride: The Best Around-Town Bike Panniers

April 22, 2009

We review around-town bike panniers on Optimal Ride.

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“Low-E” Windows Maximize Buildings’ Energy Efficiency

April 20, 2009

Low-E stands for low emissivity, and these windows are constructed to minimize heat transfer through the glass. Since windows are essentially huge holes in the walls of a building, choosing a low-E window design that’s appropriate for local climate and architecture can greatly increase a structure’s thermal efficiency, while reducing energy use and utility costs.

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Shai Agassi’s Plan To Get 100% Electric Cars On The Road

April 20, 2009

I’m an advocate for car-free cities (on this note, see the newly published Carfree Design Manual by J. H. Crawford). But 100% electric cars are certainly preferable to gasoline-powered cars. Therefore I found this recent presentation by Shai Agassi of Better Place to be of inspiring. He argues that hybrids won’t work, and ethnol isn’t [...]

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City Of Green Rings To Be Built In Korea

April 20, 2009

A Dutch architecture group MVRDV have won a competition to design a city center for Gwanggyo, a new city which could be built south of Seoul, Korea. The town is planned to be a self-sufficient city of 77,000 inhabitants.

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Efficient Organic LEDs Demonstrated

April 17, 2009

Organic light-emitting diodes (OLEDs) are a new type of LED where a thin film of organic compounds is used to produce electroluminescence.

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Boeing 787: The World’s Most Efficient Airliner

April 17, 2009

Air travel can present an efficiency dilemma. Trips that wouldn’t be possible by any other means because of time or distance are suddenly viable – though when it comes to manufacturing and fuel resources, airplanes admittedly aren’t the most efficient mode of transportation. But Boeing’s newest passenger jet, the 787 Dreamliner, aims to take a [...]

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Nikon Introduces Green Binoculars: Ecobins

April 14, 2009

Nikon has introduced some new binoculars called Ecobins with some nice green features. The body of the binocular is made with rubber than does not include chloride, toxic inks or dyes. The lens and prisms are made with Nikon’s Eco-Glass™, which is lead- and arsenic-free.

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Free Book: Sustainable Energy — Without The Hot Air

April 14, 2009

I’m very glad to see the publication of a book called Sustainable Energy – Without the Hot Air. Don’t be fooled by the cover — this is book is a lively look at sustainable energy.
I liked the way reviewer Cory Doctorow describes the book on Boing Boing: “This is to energy and climate what Freakonomics [...]

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Review: The Best LED Reading Lamps

April 14, 2009

Nighttime can be prime reading time, and a small reading light is invaluable in a darkened room, or to avoid disturbing a roommate or spouse. The small size and directional light output of LEDs make them ideal for personal reading lights. Here are four of the best LED reading lamps, perfect for the [...]

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New On Optimal Ride: GoCycle: An Innovative Folding Electric Bike

April 11, 2009

Optimal Ride has been on a bit of a hiatus during the winter, but now it’s spring and our first feature is the GoCycle — an innovative folding electric bike from the U.K. See also this post on the Zero S electric motorcycle.

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GreenFiber Cocoon Insulation: Energy Efficiency From Recycled Material

April 9, 2009

One of the simplest ways to improve a home’s energy efficiency and comfort is to make sure that it is properly insulated. Cocoon Insulation from North Carolina-based GreenFiber is a highly efficient insulator, offering more convenient installation and higher R-values than common alternatives, as well as utilizing recycled source material.

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Best Portable iPod & MP3 Speakers

April 8, 2009

A few months ago, MetaEfficient profiled an energy efficient home speaker system for the iPod. But what if you want to bring your music with you on the go – and share it outside your headphones? You’ll need a set of portable speakers that are just as mobile as your MP3 player. Following are six [...]

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GM And Segway Unveil Their Electric 2-Seater

April 8, 2009

Yesterday, GM and Segway unveiled an electric-powered urban vehicle called the Puma. The Puma seats two people, and is said to reach a top speed of 35 miles per hour. The vehicle can go 35 miles before needing a recharge.
Larry Burns, vice president of research and development for GM, said it would cost about 35 [...]

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Renewable: Sunglasses Made With Castor Bean Oil

April 7, 2009

The frames of these sunglasses (Dragon Experience Eco) are not made with petroleum.
Instead they are made with Nylon 11, the only commercially successful high volume biopolymer, which is made by polymerizing a split segment of castor bean oil.

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From The Meta-Efficient Labs: Most Optimal Comforter Material: Organic Merino Wool

April 4, 2009

As many of you may have heard — I believe merino wool is an optimal clothing material. But it is also useful in the bedroom: as an optimal comforter fill. The advantage of wool is that it doesn’t retain moisture.

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Update: Bank Of America Tower, Greenest Skyscraper In The U.S.

April 2, 2009

A while back, MetaEfficient profiled what could be the greenest skyscraper in America, the Bank of America Tower in New York City. Located in midtown Manhattan at One Bryant Park, the 945-foot tall, 55-story structure is scheduled to open later this year. Here’s a closer look at some of the groundbreaking features that should help [...]

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Lenovo’s Latest Green PC: The M58p Eco Ultra Small

April 2, 2009

I’ve been testing a new, very efficient PC called the ThinkCentre M58p Eco Ultra Small by Lenovo. This compact PC is the successor to the ThinkCentre M57p Eco. My kilo-o-watt meter is telling me that the M58p consumes only about 35 watts while idle, and 58 watts of power at peak usage. It has a [...]

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