[Thursday] The Transistor is 75 years old!

David Crowell ka1edp at yahoo.com
Fri Dec 16 14:54:12 MST 2022


 One of the links in the Len's original link has some thoughts to ponder about restoring museum artifacts.Read the paragraphs in the section:
Overcoming the “inherent vice” of Bardeen’s music box

John Bardeen’s Terrific Transistorized Music Box

| 
| 
| 
|  |  |

 |

 |
| 
|  | 
John Bardeen’s Terrific Transistorized Music Box

In 1949 an engineer at Bell Labs built three music boxes that could electronically produce five distinct notes. ...
 |

 |

 |


Dave Crowell



    On Wednesday, December 14, 2022 at 06:10:17 PM EST, Len Arzoomanian via Thursday <thursday at newsm.org> wrote:  
 
 Some IEEE articles on the development of the Transistor. I like the fact that the inventors didn’t really understand how the point contact worked. Kind of like how a cats whisker becomes a diode when it touches a galena. It’s all magic!

Len

https://spectrum.ieee.org/special-reports/the-transistor-at-75/


Sent using the mobile mail app

_______________________________________________
Thursday mailing list
Thursday at newsm.org
http://newsm.org/mailman/listinfo/thursday_newsm.org
  
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://newsm.org/pipermail/thursday_newsm.org/attachments/20221216/ed4c63d9/attachment.html>


More information about the Thursday mailing list