Archaeology might evoke thoughts of intrepid explorers as well as painstaking digging, only inwards fact researchers nation it is a high-tech Light Amplification by Stimulated Emission of Radiation mapping technique that is rewriting the textbooks at an unprecedented rate.
The approach, known every bit calorie-free detection as well as ranging scanning (lidar) involves directing a rapid succession of Light Amplification by Stimulated Emission of Radiation pulses at the Earth from an aircraft.
The fourth dimension as well as wavelength of the pulses reflected past times the surface are combined alongside GPS as well as other information to create a precise, three-dimensional map of the landscape. Crucially, the technique probes beneath leaf – useful for areas where vegetation is dense.
Earlier this calendar month researchers revealed it had been used to discovery an ancient Mayan metropolis inside the dense jungles of Guatemala, piece it has too helped archaeologists to map the metropolis of Caracol – or then other Mayan metropolis.
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