Vietnam-made solar lighting system receives US patent registration

vietnamnet

Science / vietnamnet 21 Views comments

A team of Vietnamese scientists has successfully filed a patent application in the US for their non-electric lighting equipment, a cost-saving solution for certain projects, especially “tube” houses in Vietnam.

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  1. in Filesystem.php line 81
  2. at HandleExceptions->handleError('2', 'file_put_contents(): Only 0 of 326 bytes written, possibly out of free disk space', '/var/www/html/vietnamnews.com/vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php', '81', array('path' => '/var/www/html/vietnamnews.com/storage/framework/sessions/7749fb7d69e76c7020fac306f78ee823fb41a671', 'contents' => 'a:4:{s:6:"_token";s:40:"dv4FJV826ImndCB6UYqH8UmAtrejJIkUYIWfCCDx";s:9:"_previous";a:1:{s:3:"url";s:89:"http://vietnamnews.com/vietnam-made-solar-lighting-system-receives-us-patent-registration";}s:9:"_sf2_meta";a:3:{s:1:"u";i:1532244579;s:1:"c";i:1532244579;s:1:"l";s:1:"0";}s:5:"flash";a:2:{s:3:"old";a:0:{}s:3:"new";a:0:{}}}', 'lock' => true))
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  7. at StartSession->terminate(object(Request), object(Response)) in Kernel.php line 145
  8. at Kernel->terminate(object(Request), object(Response)) in index.php line 58