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Fog lights and distance estimationFeatured science projectScience project video


The hypothesis that the use of 2 fog lights will improve the estimation of distance by drivers is proven to be true.

Fog lights help to improve visibility . It enables the drivers of the cars behind yours  better estimate the distance to your car in front. 


Also consider

The experiment can also be done by adjusting the height of the fog lights.

This experiment can also be repeated by using red or yellow fog lights.

The experiment can be attempted at night to see if a difference in results will occur.


Distance perception of vehicle real life in fogs -

What are fog lights? -

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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