Researchers have developed energy-absorbing stairs​


Scientists in the US have created a set of spring-loaded stairs that can help users save energy as they climb and descend them.

A group of mechanical and biomedical engineers, along with computer scientists from Georgia Tech and Emory University, have built what they call “energy-recycling stairs” that compress when someone steps downwards onto them, saving energy by dampening the impact.

This energy is then returned on the way back up as they rise with the user’s foot as they step up. This can boost a person’s step by up to 37%, the research suggests. They call the system energy-recycling assistive stairs (ERAS).



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