Alongside the treadmill, Merach is also showing off a more affordable new product aimed at walkers and small-space homes.

Steven Devor, front, developed the automated treadmill using off-the-shelf parts, including an inexpensive sonar range finder and an existing treadmill. (Photo by Jo McCulty, Courtesy of Ohio State ...

Although treadmills do let you vary your running speed, you have to repeatedly reach down and hit the controls in order to do so. The Kickr Run offers a more natural hands-free alternative, in that it ...