Wednesday, 29 May 2024

How an Oscilloscope works


 There was a time when students had met CRT screens but now with LED this and LED that they have little experience of seeing these let alone knowing how they work. when I showed them a valve they had no idea.

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Probability

Fun with probability. What are the odds that one of the cards in a blue-backed pack will be red? What is the probability that all the cards ...