BacVac -an alternative to conventional vacuum cleaners

Vacuum Backpacks - Fuel Cell BacVac

If you have to carry the darn thing all around the house anyway, why not put it on your back and make it cordless?

The Continuum studio, connecting Boston, Seoul and Milan, has a great concept called the BacVac, a cordless backpack-style vacuum cleaner, powered by an on-board, rechargeable fuel cell.