Bicycles

DIY bike light

DIY bike light

Kevin writes – This page describes the construction of a bike light comprising three 3W Luxeon LEDs. This project had three main goals. 1.) Make a light suitable for use in 24-hour mountain bike racing. 2.) Use readily available material as much as possible. 3.) Offer the details to the community and invite any and […]

Floors and furniture… made from cow manure

Floors and furniture… made from cow manure

There isn’t a how-to (yet) – but this seems like an interesting new particle board material… Home-buyers of tomorrow could find themselves walking across floors made from manure. That’s no cow pie-in-the-sky dream, according to researchers at Michigan State University and the U.S. Department of Agriculture. They say fiber from processed and sterilized cow manure […]

Beer-view mirror

Beer-view mirror

Benstar writes – This is a small rear-view mirror, meant to mount on your bike helmet (or glasses, or baseball hat…) so you can see behind you with just a little turn of the head. It’s made from a bottle cap, a bike spoke and nipple, acrylic mirror, and glue. Beer-view mirror – Link.

Environmental heresies

Environmental heresies

The New York Times has an article about Stewart Brand (Whole Earth Catalog, WELL) – he uses hackers/hacks in a way I’ve always thought was inspiring- Stewart Brand has become a heretic to environmentalism, a movement he helped found, but he doesn’t plan to be isolated for long. He expects that environmentalists will soon share […]