Laser archaeology

Tuesday, October 2, 2018 - 12:00am


Archaeologists have made some remarkable findings about the ancient Mayan civilization of central America. Using LiDAR — a kind of laser radar — the archaeologists have created ghostly images of lost cities, forts, farms and roads. The findings were published in the journal Science. Host Marco Werman speaks to one of the archaeologists, Thomas Garrison of Ithaca College, in New York.