As if suggesting that we ride our bikes on air wasn't crazy enough, now some whacky designers want us to dangle from small battery-powered backpacks and let their tiny engines zip us across a network of steel wires. Awesome!

Sure, it'd be quite a struggle to get cities to implement such a transportation system, but it would be worth it just to make playing out some superhero fantasies much simpler. [Kolelinia via Inhabitat]