DTN News -U.S. PRESIDENT BARACK OBAMA A WEEK-LONG TRIP TO AFRICA: Barack Obama In Tanzania
(NSI News Source Info) TORONTO, Canada - July 2, 2013: President Obama demonstrates the 'Soccket Ball', which uses kinetic energy to provide power to charge a mobile phone or power a light, during an event to promote energy innovation at the Ubungo power plant in Dar Es Salaam.
Photograph: Evan Vucci/AP
*Presented & compiled by DTN News ~ Defense-Technology News
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