Barcelona, December 4, 2014.- It is frustrating to see the rapid advance of computer hardware and software computing, but have to charge every 24 hours our mobile devices. A situation that will intensify with smart watches (and electric cars). As happened with those bulbs that lasted decades would be chargeable battery whose cycle load was at least weeks, not hours. Perhaps no longer seek the finest smartphone, less weight, more functional operating system. Perhaps we need not hang our professional lives of a charger handy and free electrical outlet. Is there eternal battery?.

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