This two-stair prototype harvests energy from a user as they descend the stairs, then returns it on the upward climb. Yun Seong Song et al (2017) Trying to update stairs is like reinventing the wheel: ...
While tried-and-true for thousands of years, climbing stairs is a chore that's inspired some creative alternatives, such as the Vertical Walking system or the Vycle. Now a team from Georgia Tech and ...
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