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Ars Technica » Scientific Method
Kerosene lamps face gravity-powered usurper
Kerosene lamps face gravity-powered usurper
Ars Technica » Scientific Method 2013-01-15
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Summary:
A bag of rocks and some height provide the power for GravityLight.
Link:
http://feeds.arstechnica.com/~r/arstechnica/science/~3/YY9Ek90YdFk/
From feeds:
Berkeley Law Library -- Reference & Research Services
»
Ars Technica » Scientific Method
Tags:
lighting
scientific method
Authors:
James Holloway
Date tagged:
01/15/2013, 11:52
Date published:
01/15/2013, 10:30