We’re documenting something that really has needed to be documented, but in a way that’s really comprehensive and shareable.” ...

Located in the middle of the South Pacific, thousands of miles from the nearest continent, Easter Island (Rapa Nui) is one of ...

Rano Raraku, a steep-sided crater on the southeastern coast of Rapa Nui (as locals call the island), was the heart of moai ...

Archeologists have used drones and photogrammetry to create a map of the quarry that produced 95 of Easter Island's statues.

A first-of-its-kind high-resolution 3D model now lets anyone explore Easter Island’s Rano Raraku quarry up close. The ...

Unfinished moai attached to bedrock by “keels” along their backs demonstrate how carvers worked underneath from both sides until figures were separated from the source material. This production stage, ...

Archaeologists say a 3D model of a centuries-old quarry of unfinished stone head statues on Easter Island offers new clues ...

Can you chip in? As an independent nonprofit, the Internet Archive is fighting for universal access to quality information. We build and maintain all our own systems, but we don’t charge for access, ...

Abstract: Fault tree analysis is a well-known technique in reliability engineering and risk assessment, which supports decision-making processes and the management of complex systems. Traditionally, ...

Ask the publishers to restore access to 500,000+ books. The Internet Archive keeps the record straight by preserving government websites, news publications, historical documents, and more. If you find ...

Abstract: This paper presents SAFEST, a powerful tool for modelling and analyzing both static and dynamic fault trees. Dynamic fault trees (DFTs) extend standard fault trees by providing support for ...