Scientists come up with a smart ladder

American scientists from the School of Interactive Computing at the University of Technology in Georgia and Emory University have developed a smart ladder project that reduces energy costs and, consequently, simplifies the descent process by 26%, and ascent by 37%. This is achieved through the use of a system of springs and motion sensors. When a person goes down the stairs, the spring is compressed, and the step descends to the next level, accumulating the energy generated by the pressure of the foot.

When the next person starts to go up, the spring, on the contrary, straightens, releasing the accumulated energy, and raises the step to the next level. According to the developers, such a hybrid ladder can be extremely useful for the elderly, pregnant women and people with disabilities. For example, such devices can be equipped with nursing homes and hospitals.

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