Photo courtesy of Yanko Design

I’ve been following green concepts over the years, and I’m always excited to see trends in energy power that will eventually make it into our hands someday. Or in this case, onto our fingers!

This innovative idea is a concept from the minds of two designers, Song Teaho and Hyejin Lee. Their new finger battery could one day be good news for those of us who are continually in need of a smart phone battery boost: A prototype mobile phone with a battery you can charge with a simple twirl of your finger.

The kinetic energy generated by the twirling motion powers the charge and would allow users to energize their cells.

It does take some coordination thought. The designers say you need to twirl for 130 rotations around your finger to generate about two minutes of talk or 25 minutes of standby power.

Perhaps there will come a day when we don’t have to expend quite that amount of effort. But it does give me hope that great minds are continually thinking of ideas for clean and green energy!

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