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Tuesday, 25 December 2012

A video clip that caught my attention

Awesome HD Slinky Slow-Mo

I have learnt that:
  • the bottom of the slinky is under tension until the top reaches it thus it staying at one spot
  • if you do something physically to affect the change to an object, the signal has to propagate if they are not at the same location
  • in order to increase the time for the slinky to collaspe, you need to use a softer (less elastic potential energy), heavier (to stretch the slinky further) slinky.

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