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Complexity level:
Project cost ($):
Time required:
1 hour to prepare, 1 day for experiment
Material availability:
4 cars, 3 of which are of a similar make and model are required. Fog machines will need to be leased for the purposes of this experiment
Safety concerns:

Be careful to avoid any accidents. Always have someone on standby to alert the drivers, to prevent them from colliding into the stationery cars