Waves
Using the idea of a wave – starting to think about remote influence
Hearing revisited(introduction)
Delayed copy-cats(the important parts of the idea)
Delayed mimicry in sounds
Many copy cats for pulses
Carry on shaking and carry on copying
Sounds
Different vibrations, copied after a delay
A delay between source and detector
Make in or out of step
Two paths contribute
The fingerprint of a wave
Describing with waves