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

Unfortunately, so far smartphones do not differ in the special duration of work away from the outlet. Or at least without using it. I have collected 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 the Wool Ball Charger. The generator inside of the wires, wrapped with wool thread, produces electricity during the game. When the kitten is played up, you simply connect the smartphone to the ball and charge.
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Natural energy park


How about child labor? Joke, we will talk about children's recreation on the playground. Kids running around the ladders and hills will generate electricity thanks to generators, which the platform is literally crammed with. There are also solar panels, wind turbines and a lightning conductor on the roof.

But this, unfortunately, is only a concept.



Simple energy


And for lovers of hiking options in general is complete. For example, in Russia they made a device for charging the batteries of 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 you need to shake long and hard, namely, two whole hours to fully charge. If the hand does not wither.



Windpax


Last month, the wind turbine WindPax collected almost twice as much from the declared 50,000 dollars. This vertical wind turbine also has a generator inside, which you can use to charge devices via USB and Mini-USB ports.





Powerpoint


And again on the road: take with you a PowerPot kettle, working on the principle of a thermoelectric generator. While you are cooking dumplings in a deep forest for dinner (or a caught hare), he will charge your smartphone, converting the difference in temperature into electricity. The manufacturer promises that the charging speed will be approximately equal to the charging speed from a regular outlet.



Sound waves


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

Source: https://habr.com/ru/post/233493/


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