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Elizabeth Adamczyk, our pal up in Chicago, just sent me a link to a Treehugger article that shows a promising new light source that powers itself for up to 12 years without batteries, sunshine or any other external power source.

Bicycle Litroenergy

The light source is known as “litroenergy”…a betavoltaic power source based on low-energy radioactivity. The company that is spearheading this new light source claims that the radiation cannot escape the microparticles it is contained in, making the technology safe for a wide variety of uses.

This material can be molded with plastics or included in paints, among other applications — this could be a really cool addition to the nighttime commuting arsenal!