Incredibly Slim, Versatile Loudspeakers Could Change The Face of Audio

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 part, none have laid it …

“Low-E” Windows Maximize Buildings’ Energy Efficiency

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.

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

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 feasible. He says cars need …

City Of Green Rings To Be Built In Korea

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.

Efficient Organic LEDs Demonstrated

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

Boeing 787: The World’s Most Efficient Airliner

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 big efficiency step forward with …

Nikon Introduces Green Binoculars: Ecobins

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.

Free Book: Sustainable Energy — Without The Hot Air

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 is to economics: an …

GreenFiber Cocoon Insulation: Energy Efficiency From Recycled Material

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.

Best Portable iPod & MP3 Speakers

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 of the best portable speaker …