How to Teach Maths
The Infinite Monkey Cage
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Physa Quanty Mechanics - Complex Numbers
Complex numbers are fundamental in describing the most fundamental physics. They were originally called 'putty' by someone who was trying to talk down their use. But they're extremely useful and almost fundamental, i think it may be useful. It leads us into questions about where mathematics comes from - is it invented? Is it discovered or not?
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