Calculate the number 806
NUMBERMANIA: Calculate the number 806 using numbers [1, 8, 5, 8, 70, 731] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers: 1
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Mobile betatronIn 1948, the first mobile betatron began operation at the U.S. Naval Ordnance Laboratory, White Oak, Maryland. The betatron acclerated electrons using 10 million volts to produce a sharp beam of high-energy X-rays capable of penetrating 16 inches of steel. It was built by General Electric Company of Schenectady, N.Y. |