Calculate the number 300
NUMBERMANIA: Calculate the number 300 using numbers [3, 4, 2, 8, 43, 173] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers: 5
#brainteasers #math #numbermania
Keel laid for first nuclear submarine, U.S.S. NautilusIn 1952, the keel was laid for the first American nuclear submarine,U.S.S. Nautilus, in a ceremony attended by President Harry S. Trumann. It was built by the Electric Boat Company division of General Dynamics Corp. at Groton, Conn., under the supervision of Captain Hyman George Rickover. Its liquid-cooled atomic reactor provided power for steam turbines. The submarine was launched in on 21 Jan 1954, and commisioned later that year on 30 Sep 1954. It was tested under nuclear power on 17 Jan 1955 and completed 22 Apr 1955. |