One of the most remarkable puzzles of the 20th century is the metal sphere, which belongs to the Betz family. In March 1974, a great fire broke out on the earth, which belonged to the Betz family. The fire has destroyed more than 35 forest hectars. When the family decided on 26 March to look at the element of the farm destroyed by the element, she discovered a strange silver ball. The spherical diameter was about 20 cm. Their weight is quite impressive for such modest size and is 9.6 kg.
The farmers thought the damaged NASA device or the Soviet satellite had fallen in their forest and decided to bring the mysterious ball home. Surprisingly, the sphere was not damaged during the fire, although it was found in the center of the burnt grove. A couple of weeks ago, the sphere was in the house of the new innkeeper and was unexplained in one day. When 21-year-old Terry Matthew Betz played the guitar, the heavy sphere began to vibrate like the tuning fork, and the pulsating tones of the individual notes turned out to be discrete.
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