PIRA Classification: 3B27.10
Description: A slinky is stretched along the lecture bench and two pop cans are placed on either side at the midpoint. A person at either end sends a pulse down the slinky. If the waves cancel at the midpoint, the pop cans will stay put. If the waves add, the pop cans will go flying.
Special Instructions: Make sure the two people create the pulses at the same time.
Condition: Ok
Setup time: 2 minutes