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Sources
- Dunn, Collin. "Gravia: LED Lamp Lit by Gravity Lasts 200 Years, Never Plugs In." TreeHugger. Feb. 21, 2008.http://www.treehugger.com/files/2008/02/gravia-led-lamp-lit-by-gravity.php
- GizMag. "The gravity powered floor lamp." Feb. 20, 2008.http://www.gizmag.com/the-gravity-powered-floor-lamp/8854/
- Gravia. "Greener Gadgets Design Competition 2008." Core77.http://www.core77.com/competitions/greenergadgets/projects/4306/
- Trulove, Susan. "Lamp lit by gravity wins Greener Gadget award." Virginia Tech News. Feb. 19, 2008.http://www.vtnews.vt.edu/story.php?relyear=2008&itemno=111