Sky Writing for Your Bike

prj.contrail.00.jpgContrail is a notional device from designer Pepin Gelardi for turning your bike into a chalk line. Some have suggested practical uses for the device. But I think leaving messages for our alien overlords is the potential “killer app.”nazca-lines1.gif



2 Comments

It’s too bad this is just a concept at this point. I would be all over that. I’d love to see what kind of trail Critical Mass would leave.

We [posted on this earlier](http://bikehugger.com/2009/03/bike-contrails.html) in the year and I wondered about chalk dust issues, like the TOC.

To comment

Or with us.





Advertise here

About this Entry

Bike + 3 Dogs was the previous entry in this blog.

A Poster Party for Bike People is the next one.

Find more recent content on our home page and archives.

Latest Photos

About Bike Hugger