Semikron is an independent manufacturer of power semiconductor components.
Written by Ian Poole . Experienced electronics engineer and author.
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31 July 2026
Fact of the day: This day in 1910, wireless was used for the first time to apprehend a criminal, Dr Crippen - who was escaping from UK. The ships captain spotted him and informed the authorities enabling him to be arrested.
Quote:Well-informed people know it is impossible to transmit voice over wires and that were it possible to do so, the thing would be of no practical value. Boston Post editorial 1865
Point to ponder: J.J. Thomson discovered the electron, and his student E. Rutherford discovered the proton, and in turn his student James Chadwick discovered the neutron.