A unique phone charger, you only need to twist the battery on your finger

Today it is increasingly common to hear about the environmental issues. One of her solutions is the use of various alternative energy sources. For example, currently known such efficient kinds of energy like solar energy, energy of water and wind, geothermal energy. Increasingly we meet with renewable energy...





Most likely, many of us have been a situation when at the most inopportune moment discharged the battery of the mobile phone, and need to keep the communication was incredibly important. In 2008, American scientists have invented a mobile phone that runs on sound waves. Now in this case the Dream is Special and always If brought to our attention the special environmental Fingеr Bаttery Sagdeg battery that is charged during the rotation on the finger.





After 130 revolutions of the charge of the phone is enough for two minutes of talk time or 25-30 minutes of normal operation. And after 260 revs, you can talk for 4 minutes. It is quite comfortable, and most importantly, does not harm the environment. The only negative of this invention, the fingers get tired quickly and rubbed, but in this case, as the inventors useful gloves.
The principle of operation is quite simple: when rotating, the battery absorbs the kinetic energy of the finger and converts it into electricity.

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