http://www.solarear.com.br/solar/index.php
http://archive.cooperhewitt.org/other90/other90.cooperhewitt.org/Design/solaraid.html
http://www.hearingaidknow.com/2008/05/07/the-solaraid/
http://www.medgadget.com/2006/01/the_solaraid_1.html
http://goodcleantech.pcmag.com/solar-energy/280759-solaraid-solar-powered-hearing-aid
http://www.engadget.com/2008/05/06/solar-powered-hearing-aids-improve-life-in-developing-nations/
http://healthmarketinnovations.org/blog/2011/sep/29/solar-ear-low-cost-hearing-aids-solar-battery-chargers
http://news.cnet.com/2300-1008_3-6209770-5.html
http://inhabitat.com/solar-ear-hearing-aids/
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