23 December 1947 -- Birth of the Transistor

MathBabbler learned from Wired.com that the transistor was demonstrated to Bell Lab officials on 23 December 1947.

Wired.com reported that John Bardeen, Walter Brattain and William Shockley "shared the 1956 Nobel Prize in Physics for the transistor."

Exercises
  1. Using December 23rd of the current year, the transistor is ________ years of age.

  2. 1947 is a sphenic number meaning it has only three prime factors and they are: __________________.

  3. 1947 is the of 27 consecutive numbers. Fill in the blanks. ____ + 19 + 23 + 29 + 31 + 37 + 41 + 43 + 47 + 53 + 59 + ____ + 67 + 71 + 73 + 79 + 83 + 89 + 97 + 101 + 103 + 107 + 109 + 113 + 127 + 131 + ____

Related BAB

The creation of this BAB resulted in the creation of BAB::About the Number 1947 (one thousand nine hundred forty-seven)

External Hyperlink

Wired.com::Dec. 23, 1947: Transistor Opens Door to Digital Future


Creator: Gerald Thurman [gthurman@gmail.com]
Created: 23 December 2009

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This work is licensed under a Creative Commons Attribution 3.0 United States License.