Although the lights provide some valuable troubleshooting information to experts, in most cases they are just for show.
At once the car whose lights had provided the marker moved off and accelerated.
For example, light is often a causal input to plants but provides information to animals.
The other lights provide information that only data communications experts are likely to find interesting.
Off behind them the lights from homes and businesses would at least provide light enough for them to find their way back.
Additional lights placed behind screens on the main building's face will provide a color background to this unfolding light show.
These lights provide the highest visibility both day and night.
Inside, fluorescent lights provide lightning to areas not nearby glass brick.
The dim light of the stars simply do not provide enough exposure to record visible images.
Depending on the time of the day, a light or dark color may provide better camouflage.