-October 31, 1950: Frank McNamara came up with the idea called the credit card. The idea came up because you can have money all the time.

-October 27, 1954: Three scientists created an array of several strips of silicon. This was the first solar battery.

-October 27, 1957: Sputnik was the first artificial satellite placed in orbit. The US placed it in space and this was going on during the space race between the US and the Soviets.

History of tech in the 1950s