But if everything is so simple, why still have not invented such a device? And the thing is that it invented, and not only once: in each era had its own cavity. His shrouded veil of secrecy and mystery, and it was available, basically, a select group of people who kept this secret. Devices such contrived, dormant, lost and forgotten. You may want to visit Ron Beit to increase your knowledge. Since this cycle repeats endlessly. Maybe even now in some kind of museum are such artifacts, archaeologists uncover mysteries that can not. Living in the Industrial Age, we have not seen some fantastic examples. And in fact, the results of some of the "instruments" came to us in folklore and some of the sources. Remembering the Russian fairy tales begin, perhaps with the phrase "apple tanker slipped down an apple on a plate with a blue border.
Show me an apple, a country far, the country overseas. " And what is this apple is a plate that can display an image as good as modern television? The word "ball" appeared in the XV century, after the reforms of Peter I, and before any round objects called "apple." (For example, relic of speech: the eye itself is still called the eyeball). Ie above the quotation must be understood not literally, that they had used an apple grown on a tree and a round object filled (poured) a fluid. This is one example of the resonator of the Earth. Recall Baba-Yaga, who lived in the backwoods, on the outskirts of the ancient times, which can easily overcome the laws of gravity, using a mortar.