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KarmSolar: A Solar Energy Solution for Pumping Water in Egypt [Wamda TV]

Ahmed Zahran and Yumna Madi of KarmSolar, which won second place in an elevator pitching round at the MIT Enterprise Forum Arab Business Plan Competition Workshop in Abu Dhabi this March, explain how they created a solar energy-based water pumping system that is cheaper than those that use diesel.

"Developing countries spend over 60% of their income on food," says Yumna, explaining how KarmSolar's solution works to ensure the sustainability of domestic agriculture in Egypt.

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(1/1) ErrorException

file_put_contents(): Only 0 of 251 bytes written, possibly out of free disk space

in Filesystem.php (line 122)
at HandleExceptions->handleError(2, 'file_put_contents(): Only 0 of 251 bytes written, possibly out of free disk space', '/var/www/wamda-frontend/vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php', 122, array('path' => '/var/www/wamda-frontend/storage/framework/sessions/WqPHy8iPlcTvsVnFBITC0WFWZndSEA5T6lnGDMCi', 'contents' => 'a:3:{s:6:"_token";s:40:"vcKoMNbFyfz1gqG6sZSA9YtRnqXphFel0y3XVzsI";s:9:"_previous";a:1:{s:3:"url";s:93:"http://staging.wamda.com/2012/04/karmsolar-a-solar-energy-solution-for-pumping-water-in-egypt";}s:6:"_flash";a:2:{s:3:"old";a:0:{}s:3:"new";a:0:{}}}', 'lock' => true))
at file_put_contents('/var/www/wamda-frontend/storage/framework/sessions/WqPHy8iPlcTvsVnFBITC0WFWZndSEA5T6lnGDMCi', 'a:3:{s:6:"_token";s:40:"vcKoMNbFyfz1gqG6sZSA9YtRnqXphFel0y3XVzsI";s:9:"_previous";a:1:{s:3:"url";s:93:"http://staging.wamda.com/2012/04/karmsolar-a-solar-energy-solution-for-pumping-water-in-egypt";}s:6:"_flash";a:2:{s:3:"old";a:0:{}s:3:"new";a:0:{}}}', 2)in Filesystem.php (line 122)
at Filesystem->put('/var/www/wamda-frontend/storage/framework/sessions/WqPHy8iPlcTvsVnFBITC0WFWZndSEA5T6lnGDMCi', 'a:3:{s:6:"_token";s:40:"vcKoMNbFyfz1gqG6sZSA9YtRnqXphFel0y3XVzsI";s:9:"_previous";a:1:{s:3:"url";s:93:"http://staging.wamda.com/2012/04/karmsolar-a-solar-energy-solution-for-pumping-water-in-egypt";}s:6:"_flash";a:2:{s:3:"old";a:0:{}s:3:"new";a:0:{}}}', true)in FileSessionHandler.php (line 83)
at FileSessionHandler->write('WqPHy8iPlcTvsVnFBITC0WFWZndSEA5T6lnGDMCi', 'a:3:{s:6:"_token";s:40:"vcKoMNbFyfz1gqG6sZSA9YtRnqXphFel0y3XVzsI";s:9:"_previous";a:1:{s:3:"url";s:93:"http://staging.wamda.com/2012/04/karmsolar-a-solar-energy-solution-for-pumping-water-in-egypt";}s:6:"_flash";a:2:{s:3:"old";a:0:{}s:3:"new";a:0:{}}}')in Store.php (line 128)
at Store->save()in StartSession.php (line 88)
at StartSession->terminate(object(Request), object(Response))in Kernel.php (line 218)
at Kernel->terminateMiddleware(object(Request), object(Response))in Kernel.php (line 189)
at Kernel->terminate(object(Request), object(Response))in index.php (line 58)