Efficient things
Efficient things
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 […]
Free Book: Sustainable Energy — Without The Hot Air Read More »
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.
Renewable: Sunglasses Made With Castor Bean Oil Read More »
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.
From The Meta-Efficient Labs: Most Optimal Comforter Material: Organic Merino Wool Read More »
The Dahon Jack folding bike. It weighs 28.4 pounds (or 12.9 kg). I’ve treated this bike harshly for a year now, and I haven’t had any problems with it. It costs $459. The Dahon Espresso. It has 21 gears instead of 8. It weighs 13.3 kg (or 29.3 lb). I’m currently testing this bike —
Dahon Jack: An Inexpensive, Folding, Full-Size Bike Read More »
A critical aspect of a product’s “efficiency” involves not just what it does, but also where it comes from and where it goes after its useful life. Brooks has taken an innovative step to improve the life-cycle efficiency of its running shoes with its biodegradable BioMoGo cushioning material.
Old Running Shoes Never Die – But Brooks BioMoGo Really Does Fade Away Read More »
Update: There are now many other LED flashlights that exceed this one, see my article the Brightest LED Flashlights. A triumph of careful thought, detailing and thorough testing, the Neofab Legion II is a new single LED flashlight that is said to produce a whopping 742 lumens. If accurate, this light will be the brightest single-LED
World’s Brightest Single LED Flashlight: Neofab Legion II Read More »
Here’s a rare find — a new longtail bike. This bike is called the kg271, and it’s made by Madsen Cycles. They describe the bike as an “urban utility bike”. It comes in two versions: one with a rack built with oversized steel tubing, and another version with a bucket that incorporates a removable seat
New Longtail Utility Bike: The Madsen kg271 Read More »
The sales of commuters bikes in the U.S. have grown quickly in the last couple years. Commuter bikes are those that include features useful for commuting to work or around town — like fenders, chain guards, storage racks, comfortable seats, lights and puncture-resistant tires. You may also be interested our reviews of folding bikes and
The Best Commuter Bikes Of 2010 Read More »