The highly advanced technology that was talked about throughout the passage is able to use infrared satellite imagery. Infrared satellite imagery is able to look down on an open area and see what is located under the surface of the ground. Explorers had used this to uncover what the old civilizations looked like through the satellite. When a Egyptoligist named Sarah Parcak, and people in her team looked at an area they selected, "They found 1,000 tombs, 17 potentially buried pyrimids, and about 3,000 settlements."(Source 3, Paragraph 3) One thing that the infrared satellite imagery cannot go through is the very "dense canopy of the trees". (Source 3, Paragraph 6) This explains that this device can see through a lot but it still cannot see through everything there is, especially if you are looking for lost cities in certain jungles.
A machine called the LIDAR, or light detection and ranging, was a machine that used a "remote sensing technique that uses pulsed laser to measure distances. The laser light pulses combined with other data, such as GPS, …show more content…
This device is called the GPR, or Ground Penetrating Radar. NASA used this way of finding things in Turkey, it is said that "Working in that sweltering heat, they dragged a GPR device that looked like a lawnmower across the ground. The GPR sent pulses of microwave energy underground, where it bounced off buried objects. They used state of the art software to analyze the radar echoes and constructed a 3D map. The data located the position of artifacts and tombs. (Source 3, Paragraph 11). This quote explained how the GPR device works on the land to look down and see objects