lasers targeting planes: what we know about the growing problem /

After a laser beam forced a Virgin flight to return to Heathrow,we look at the impact of previous incidentsThey are handheld and can be used on the straggle. They vary from the size of a small torch to as huge as a pair of binoculars, and are more powerful than the typical laser used in a conference presentation.
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Source: theguardian.com