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Mother Nature Network

26

Sep

treehugger:

How to save battery with iOS 7

27

Feb


Elastic batteries could power bionic implants 



Tiny batteries consist of lithium lodged in silicone sheets and can stretch to 3 times their original length.             
Tiny batteries consist of lithium lodged in silicone sheets and can stretch to 3 times their original length.             

01

Feb


 What is GravityLight? A $5 battery-free lamp for the poor 



Inventors Martin Riddiford and Jim Reeves realized they could eliminate the need for a battery if they relied on the power of gravity.
Inventors Martin Riddiford and Jim Reeves realized they could eliminate the need for a battery if they relied on the power of gravity.

08

Jan


 Self-charging battery named one of 2012’s top innovations 



Placed on your shoe, the battery would generate electricity with every step.
Placed on your shoe, the battery would generate electricity with every step.