You probably don’t stop to think about it while you race down a flight of stairs, but your body expends a considerable amount of energy in the process to prevent you from falling. It’s usually wasted energy, but these energy- recycling stairs take advantage of those forces using a spring- loaded mechanism that compresses each step and locks it down as you descend. This leaves every step charged with potential energy once you’ve hit the bottom. When you go to climb back up, pressure sensors on each tread release the locking mechanism on the step below it, turning that stored potential energy into kinetic energy that helps lift a climber’s leg as the spring- powered step raises again. As the stairs compress on your descent, the engineers have calculated they save around 2.
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And on the way back up, the energy- recycling stairs make it around 3. The stair’s unique mechanisms can be retrofitted to existing steps, so the technology isn’t only for new buildings, necessarily. How To Install Modchip Ps2. And installing them would be cheaper, and require less space, than an escalator or elevator. There’s no word on when this technology will be commercialized, but anyone living in an elevator- less building will certainly be hoping it’s as soon as possible.