Media credits

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Photos

  • Home hero: The Pantheon dome and its open oculus, Rome: Julian Lupyan, CC0
  • The Antikythera Mechanism: Fragments of the Antikythera mechanism in Athens: Joyofmuseums, CC BY-SA 4.0
  • The Antikythera Mechanism: A surviving fragment up close: Tilemahos Efthimiadis, CC BY 2.0
  • The Antikythera Mechanism: A modern working model of the mechanism: Gts-tg, CC BY-SA 4.0
  • Hero's Aeolipile: The First Steam Engine: A reconstruction of Hero's aeolipile: Gts-tg, CC BY-SA 4.0
  • Hero's Aeolipile: The First Steam Engine: Hero's wind-powered organ, in a 19th-century drawing: W. Schmidt, Public domain
  • Hero's Aeolipile: The First Steam Engine: A manuscript page from Hero's Pneumatica: Hero of Alexandria, Public domain
  • Zhang Heng's Earthquake Detector: A replica of Zhang Heng's seismoscope at the Museo Oriental, Valladolid: Zarateman, CC0
  • Zhang Heng's Earthquake Detector: A model of the inverted pendulum proposed for its interior: Seismological Society of Japan, Public domain
  • Roman Concrete: The Stone That Heals Itself: The Pantheon's portico and dome, Rome: Nhartmannphotos, CC BY-SA 4.0
  • Roman Concrete: The Stone That Heals Itself: Roman concrete from an aqueduct, Antibes: Dr Dobeaucoup, CC BY-SA 4.0
  • Göbekli Tepe: Stone Circles Before Farming: The excavated enclosures of Göbekli Tepe, near Şanlıurfa: Teomancimit, CC BY-SA 3.0
  • Göbekli Tepe: Stone Circles Before Farming: A T-shaped pillar carved with an arm and a fox: Guérin Nicolas, CC BY-SA 3.0
  • Göbekli Tepe: Stone Circles Before Farming: The site today under its protective roof: Immanuelle, CC BY-SA 4.0
  • Inca Roads, Rope Bridges and Knotted Records: The Q'eswachaka grass rope bridge over the Apurímac River: Aga Khan (IT), CC BY-SA 4.0
  • Inca Roads, Rope Bridges and Knotted Records: A khipu from the Santa Valley, Lima Art Museum: TaphonomyMan, CC BY-SA 4.0
  • Inca Roads, Rope Bridges and Knotted Records: A stone-paved stretch of Inca road: Bcasterline at English Wikipedia, Public domain
  • Qanats: Persia's Hidden Rivers: Lines of qanat shafts seen from the air near Isfahan, Iran: LBM1948, CC BY-SA 4.0
  • Qanats: Persia's Hidden Rivers: Inside the Qasabeh qanat of Gonabad, Iran: Tavasoli mohsen, CC BY-SA 4.0
  • Qanats: Persia's Hidden Rivers: A traditional fenjaan water clock used to share qanat water at Gonabad: Maahmaah (persian tools), CC BY-SA 3.0
  • Roman Aqueducts: Rivers on Arches: The Pont du Gard spanning the Gardon river in southern France: Krzysztof Golik, CC BY-SA 4.0
  • Roman Aqueducts: Rivers on Arches: The two-tier arcade of the Roman aqueduct of Segovia, Spain: Jebulon, CC0
  • Roman Aqueducts: Rivers on Arches: The Aqua Claudia in Rome's Parco degli Acquedotti: Estormiz, CC0
  • Petra's Water System: The Siq, the winding canyon entrance to Petra: Vyacheslav Argenberg, CC BY 4.0
  • Petra's Water System: Water channels cut along both sides of the Siq: Le Médocain, CC BY-SA 4.0
  • Petra's Water System: A Nabataean-style dam in the Siq area of Petra: Etan J. Tal, CC BY 3.0
  • Eratosthenes Measures the Earth: Feluccas on the Nile at Aswan, the ancient Syene: Pierre André Leclercq, CC BY-SA 4.0
  • Eratosthenes Measures the Earth: A later reconstruction of Eratosthenes' map of the known world: Unknown engraver (Eran Laor Cartographic Collection, National Library of Israel), Public domain
  • The Maya and the Power of Zero: Pages of the Dresden Codex filled with Maya numbers and tables: Unknown Maya scribes (Saxon State and University Library Dresden), Public domain
  • The Maya and the Power of Zero: Tres Zapotes Stela C, carved with one of the earliest Long Count dates: Gary Todd, CC0
  • The Maya and the Power of Zero: Head-variant Maya numerals, including zero, drawn by Sylvanus Morley: Sylvanus Griswold Morley, Public domain
  • The Library of Alexandria: The terraced reading room of the modern Bibliotheca Alexandrina: Mono Abo-Abdo (derivative work by Radomianin), CC BY-SA 4.0
  • The Library of Alexandria: A 19th-century artist's impression of the ancient Library by O. Von Corven: O. Von Corven, Public domain
  • The Library of Alexandria: The site of the Serapeum in Alexandria, home of the Library's daughter collection: Institute for the Study of the Ancient World, CC BY 2.0

Video

  • The Antikythera Mechanism: video Antikythera Mechanism Part 1: by Nature Video, nature video, embedded from YouTube
  • Zhang Heng's Earthquake Detector: video The First Seismoscope (3D Animation), ScienceWorld, embedded from YouTube
  • Roman Concrete: The Stone That Heals Itself: video What's the Matter With... Ancient Roman Concrete? With Admir Masic, MIT CEE, CSHubMIT, embedded from YouTube
  • Göbekli Tepe: Stone Circles Before Farming: video Stone Age Temple Mystery | Full Documentary | NOVA | PBS, NOVA PBS Official, embedded from YouTube
  • Inca Roads, Rope Bridges and Knotted Records: video Weaving the Bridge at Q’eswachaka, SmithsonianNMAI, embedded from YouTube