How to charge a smartphone from a cat, a child and in the forest

    Unfortunately, smartphones still do not differ in special duration of work far from the socket. Or at least without its use. I gathered unusual ways to “feed” your digital friend, including a kitten and the wind.



    Wool ball charger


    If your kitten loves to play with balls, then he will definitely like the opportunity to play with Wool Ball Charger. The generator inside of the wires wrapped in woolen thread generates electricity during the game. When the kitten plays enough, you just connect the smartphone to the ball and charge.



    Natural energy park


    How about using child labor? It’s a joke, we’ll talk about children's leisure on the playground. Children running along ladders and hills will generate electricity thanks to generators, which are literally crammed with the site. The roof of the site also has solar panels, wind turbines and a lightning rod.

    But this, unfortunately, is still only a concept.



    Simple energy


    And for lovers of hiking options are generally complete. For example, in Russia they made a device for charging smartphones with a capacity of up to 2,000 mAh. Inside the development of the company "Simple Energy" is a magnet moving along the coil. This green thing in the photo needs to be shaken for a long time and hard, namely - for two whole hours to fully charge. If the hand does not dry out.



    Windpax


    Last month, the WindPax wind turbine raised almost twice as much as the claimed $ 50,000. This vertical wind turbine also has an inside generator that you can use to charge devices via USB and Mini-USB ports.





    Powerpot


    And again on the road: bring your PowerPot , which works on the principle of a thermoelectric generator. While you cook pelmeni in a dense forest for dinner (or a caught hare), he will charge your smartphone, converting the temperature difference into electricity. The manufacturer promises that the charging speed will be approximately equal to the charging speed from a conventional outlet.



    Sound waves


    Another interesting news was published on Habré yesterday: this is a charging system based on sound waves, which Nokia and QMUL are working on: Zinc oxide is sprayed onto the surface of a plastic, exposed to a mixture of chemicals and heated to 90 degrees. After that, the sheet is placed between thin panels of gold.

    Such a device uses the noise of cars, music and voices, while generating energy. Rather, it is still a prototype.



    What other unusual ways do you know?
    Conventional solar panels do not offer!

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