What’s this have to do with Macs? It’s functions are controlled through your iPhone

MIT’S BIG WHEEL IN COPENHAGEN

New bicycle wheel not only boosts power using Formula One inspired technology, but also can keep track of fitness, friends, smog and traffic – helping Copenhagen become the first carbon neutral capital by 2025. It looks like an ordinary bicycle wheel with an oversized center. But packed inside the sleek, bright red hub is a veritable Swiss army knife’s worth of electronic gadgets and novel functions.

Learn all about The Copenhagen Wheel Project: http://senseable.mit.edu/copenhagenwheel/