S0.1 The trade: what is Physics?
[A] The aims of physics:
- to allow us to understand:
- the world of our senses
- the world of the very small
- the world of the very large
- the Big Picture embracing all length scales
- to allow us to do:
- to go
- to build
- to heal
[B] The elements of physics:
- making observations … which may be casual or systematic
- making models …mathematical caricatures
- making sense …linking observations with models through mathematics, using pen and paper or computer simulation
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