Gravity energy storage is not exactly at the center of energy-related debates. However, it does have some admirable qualities. One is that such systems can be designed to last a lifetime. This is very important to everyone, of course, but especially to those living in impoverished parts of the world.
A so-called “gravity-powered” LED lamp, GravityLight, has been created that generates its own electricity with the assistance of gravity… although it is not completely gravity powered.
Clean Technica
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