bicycles

See the following -

Commuting’s Hidden Cost

Jane E. Brody | New York Times | October 28, 2013

My twin grandsons, now 13, walk nearly a mile to and from school and play basketball in the schoolyard for an hour or more most afternoons, when weather and music lessons permit.... Read More »

Networked Intelligent Bicycles Are Transforming Urban Riding

Bradley Berman | ReadWrite | October 31, 2013

The world’s first open source piece of hardware was the bicycle, according to the Open Source Hardware Association. To be more precise, it was the draisine, introduced as a two-wheeled human-propelled walking machine in 1817. Read More »