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James Dyson Award winner Christine Outram was at World Maker Faire showing off her winning Copenhagen Wheel design. The self-contained power-wheel captures and stores energy released when braking and cycling and stores it for when a rider could use a little assist. The wheel is controlled via a mobile phone.

The Copenhagen Wheel

Gareth Branwyn

Gareth Branwyn

Gareth Branwyn is a freelancer writer and the former Editorial Director of Maker Media. He is the author or editor of over a dozen books on technology, DIY, and geek culture. He is currently a contributor for Boing Boing and WINK Books. And he has a new best-of writing collection and “lazy man’s memoir,” called Borg Like Me.


  • lhendrick

    Spell check: “stores energy released when breaking and cycling”. It’s Brake, not break. Literacy counts.

  • relawson

    So, this BIKE has something that needs to be controlled via a PHONE?

    How about a button near the hand grip? Really, whats the point?