Because Mesoamerican use of lime plaster bled into the nearby soil, Charles Golden observed the city of Piedras Negras using an infrared form of this technology. For 10 points each:
[10h] Name this technology used in the Mirador Basin Project, which creates landscapes through dense canopies based on aerial images.
ANSWER: LIDAR [or LADAR; accept light detection and ranging; accept LIDAR scanning; accept laser scanning or 3D laser scanning; prompt on scans or scanning or lasers; prompt on sensing or remote sensing]
[10e] In a process similar to making a tortilla, Indigenous people in southern Colombia would soak this plant in quicklime before chewing. This addictive plant is made into a similarly named white powder drug.
ANSWER: coca [or coca leaves; prompt on cocaine by asking “what plant is it derived from?”]
[10m] The plaster at Teotihuacan (“teh-oh-tee-HUAH-can”) contained a blend of lime with blue and green forms of this material. Aztec macahuitl (“MAK-wa-HWEE-til”) clubs were embedded with this material, whose natural sharpness led to its use in other weapons.
ANSWER: obsidian [or perlite; prompt on volcanic glass; prompt volcanic rock or stones]
<Other History>