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








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4 April 2026

Fact of the day: It was on this day in 1823 that Sir William Siemens was born. He was the German born, but naturalised English inventor and pioneer in undersea cabling. He was one of te Siemens brothers who set up the Siemens electrical empire.

Quote: When people thought the Earth was flat, they were wrong. When people thought the Earth was spherical they were wrong. But if you think that thinking the Earth is spherical is just as wrong as thinking the Earth is flat, then your view is wronger than both of them put together. Isaac Asimov

Point to ponder: The temperature at the visible surface of the Sun is around 5 700 C.




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