5 lost inventions that could have changed the world! [English]
Five of the most mysterious lost technologies that could have changed the world... before mysteriously vanishing forever with their creators. There are many more interesting inventions of the past, which never went to the public, because of financial reasons from the opponents enemies of good inventions.
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Here you can watch a documentation about the amazing inventions of Nikola Tesla:
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Jonas Ahrens
Of course , all held by Tesla, haha. Tesla didn't really believe in patents and would have preferred to get the majority of his technology out in to the public; the earthquake machine being an obvious exception hahaha