SolePower
- Each thud of a hiker’s heel releases enough energy to illuminate a light bulb.
- The device promises to be an improvement over traditional, hefty power packs as well as solar chargers, which work slowly or not at all, depending on the weather.
- The same method is used in hand crank flash lights.
- SolePower’s current version, to be released later this year, requires a lengthy 15-mile walk to charge a smartphone.
- The creator says the company is working toward a design that can charge an iPhone after less than five miles of hiking and withstand about 100 million footsteps of wear and tear.
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