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Ian Poole   Written by Ian Poole .
  Experienced electronics engineer and author.








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7 April 2026

Fact of the day: It was on 7th April 1915 that Langmuir presented a paper to the Institute of Radio Engineers detailing the space current in a valve (tube). These equations later became known as Langmuir\'s 3/2 power law.

Quote: 85% or your financial success is due to your personality and ability to communicate, negotiate and lead. Shockingly only 15% is due to technical knowledge. Carnegie Institute of Technology

Point to ponder: Any new circuit design will contain at least one part that is obsolete, two parts that are unobtainable and three that are still under development.




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