Researchers at the U.K.'s National Center for Nuclear Robotics (NCNR) have developed a drone-mapping system that allows scientists to investigate hazardous places from a safe distance.
The researchers used the system to survey Chernobyl's "Red Forest," one of the most radioactive locations on Earth.
The system uses fixed-wing aircraft to make a general radiation map by flying at about 40 mph (about 60 kph) just above the treetops in a grid pattern.
Places of interest observed in that initial flyover are followed up by rotary-wing drones that can hover and acquire high-resolution, three-dimensional information.
The survey confirmed the current understanding of the radiation distribution in the forest, but in much greater detail than had previously been possible.
From BBC News
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