Audience scanning (sometimes called crowd scanning) is when a laser lighting display is directed towards its audience. Although this is preferred for many laser effects such as tunnels, it is potentially dangerous due to the high levels of laser radiation exposed to the eyes of audience members.
Audience scanning (sometimes called crowd scanning) is when a laser lighting display is directed towards its audience. Although this is preferred for many laser effects such as tunnels, it is potentially dangerous due to the high levels of laser radiation exposed to the eyes of audience members.
Source: Wikipedia "Audience scanning" · CC BY-SA 4.0
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