Tuesday, 7 March 2017

@DailyRantOnWeb: German institute successfully tests underwater energy storage sphere https://t.co/8dsqtTAm3H Fraunhofer IWES | Energy system technology …

http://twitter.com/DailyRantOnWeb/status/839025626577268736 German institute successfully tests underwater energy storage sphere https://t.co/8dsqtTAm3H Fraunhofer IWES | Energy system technology …

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