Toyota's i-foot human-controlled walking robot

With the 2005 Japan World Expo set to kick off next week, we can expect to be seeing a bevy of crazy robots rolling (literally) out of Japan over the next six months. Some we've already met, and others will grace our eyeballs for the first time, like Toyota's i-foot robot, at right. The human-controlled walking eggshell lets people on or off by bending its legs. At 7.74 feet tall and 441 pounds, this gigantic Humpty Dumpty can walk a little under a single mile per hour, so don't expect it to replace the shinkansen anytime soon.