Love sweating it out? Then you will probably be interested in the new power shoe that ought to give you fresh impetus when it comes to the term power walking. After all, each step you make generates some energy, which is why Dr. Ville Kaajakari, assistant professor of electrical engineering at the Louisiana Tech University, came up with a new voltage regulation circuit which can convert a piezoelectric charge into usable voltage efficiently – making a power shoe, so to speak, a sensible applications. Relying on a low-cost polymer transducer, it features metalized surfaces that makes it suitable for electrical contact when seeing action in shoes or clothing. Hopefully it is efficient enough to juice up your cellphone or MP3 player the next time you pound the pavement or hit the gym.
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