Safe Step Stairs are easy to open and close (as little as 8 seconds( , with wide steps and handrails. YEA! Today I can walk up into my attic, formally a place I did not visit very often because of the ...
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 ...