For 25 years, inventor Keahi Seymour has dreamed of running with the speed and loping gait of an animal. His inspiration struck at age 12, while he was watching a program about kangaroos. “The announcer said it moves at such an efficient gait by using its Achilles tendons as springs,” Seymour says. “I thought, ‘Why not replicate that in a device that could propel a human?’ ” He began sketching footwear using ostriches, which, he discovered, run more like humans, as his model.
after watching that i have no interest at all to ever buy them. pointless.