"humans invented the wheel- mother nature invented legs. it was only a matter of time before we realized her design was better. the product of this epiphany? a wheelchair that can walk. developed by toyota, the “i-foot” prototype is an 8-ft.-tall bipedal throne that ambles, kneels and climbs stairs on backward-bending, ostrichlike legs. but let’s not stop there. picture a world of legged beds, couches and tables. people could downsize their houses to only two rooms: a storage room that holds the furniture and a main room that shifts to become whichever space is needed. want a living room? have the couch and coffee table walk over. need a beer? call the refrigerator. feel free to mix and match: take a bath while watching television, or cook dinner while using the treadmill. anything is possi"
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