How laser pulses peel back centuries of jungle growth
In short: LiDAR technology is transforming archaeology by allowing scientists to see through dense vegetation. This video explains how light pulses are used to create precise 3D models of hidden environments, revealing structures that have been obscured for generations.
The process relies on the physics of light: sensors emit rapid laser pulses and measure the exact time it takes for those beams to bounce back from a target. This data enables the creation of highly detailed 3D maps used in fields ranging from urban planning to meteorology.
A key advancement is the multiple return principle. By capturing data from different layers of a forest canopy, advanced LiDAR systems can 'see' through leaves to map the ground beneath. This allows researchers to identify historical ruins and vast landscapes that would otherwise remain hidden from traditional aerial photography.
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- Summary by Intellect · source: How Scientists Use Lasers to Reveal Lost Cities
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