Monte Sierpe "Band of Holes"
Author Chincha Kingdom & Inca Empire
Date of creation 1100-1600
Exceptional topographical site in Peru containing approximately 5,000 regularly spaced holes in the ground, used for goods exchange and accounting during the Inca Empire.
Mesopotamian Clay Tokens
Author Sumerian agriculturalists
Date of creation 10 000 BCE - 3000 BCE
Accounting tokens that were used for farming goods exchange and accounting in Mesopotamia. The tokens were used for thousands of years and led to the invention of cuneiform writing.
A Number Between Zero and One
Author Siah Armajani
Date of creation 1969
A Number Between Zero and One is a conceptual sculpture by Iranian-American artist Siah Armajani, consisting of a stack of paper printouts of an imaginary number—10^-205,714,079—one requiring 25,974 sheets and twenty-eight hours to print.
Korean Rain Gauge Ch'ŭgugi
Author Joseon kingdom's Research Institute of Astronomy Geography Calendar and Weather
Date of creation 1441
Known as the 'most ancient rain gauge in the world', the Korean rain gauge system was one of the first state-wide rain measuring system.
Inca-Style Khipu
Author Leland L. Locke's book
Date of creation 1300-1500
Inca-style khipus illustrating one of the most important book in the history of khipus deciphering, in which L. Locke determined khipus were numerical devices encoded in base 10. The book was published in 1912.
Ammassalik Coastline Sculpture
Author Kunit fra Umivik (Inuit hunter from Greenland)
Date of creation 1885
A sculpted guide to a stretch of coast north of Ammassalik, made by a local hunter to explain navigation to the Danish expedition captain Gustav Holm, who later wrote his deep despise for Inuit geographical artefacts.
Light Sculptures: Matter of Impermanence
Author Dexter Callender III
Date of creation 2024
Glass sculptures designed from photographic captures of light patterns moving through architecture during the day, from a selection of buildings in Boston (USA).
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