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Jason Maderer

Climbing Stairs Just Got Easier with Energy-Recycling Steps
Device is easier on knees and ankles than conventional stairs

http://www.news.gatech.edu/2017/07/12/climbing-stairs-just-got-easier-energy-recycling-steps

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Meghan Bartels

This gadget helps you get up the stairs more easily with springs and magnets

https://mic.com/articles/182009/this-gadget-helps-you-get-up-the-stairs-more-easily-with-springs-and-magnets

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Roni Dengler

These stairs recycle your energy so they’re easier to climb

http://www.pbs.org/newshour/rundown/stairs-recycle-energy-easier-climb/

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