Egypt, third millennium b.c. The Great Pyramid of Giza is both the oldest of the Seven Wonders and the only one still standing. Built by the pharaoh Khufu (reigned ca. 2551–2528 b.c.) to serve as his ...

A ziggurat (also spelled ziqqurat) was a raised platform with four sloping sides that looked like a tiered pyramid. Ziggurats were common in ancient Mesopotamia (roughly modern Iraq) from around 4,000 ...

The Great Pyramid of Giza is often treated as a monument of stone, but it also functions as a monument of numbers. I see at least fifteen tightly documented geometric and astronomical puzzles embedded ...

Archaeologists working in a tunnel beneath Teotihuacan's Pyramid of the Sun have unearthed two caches of artifacts that may have been meant to consecrate the massive building's construction around a.d ...

This story appears in the January/February 2017 issue of National Geographic History magazine. Amelia Blanford Edwards was one of a stream of European travelers drawn to see the wonders of Egypt at ...

Abstract: We propose a cost volume-based neural network for depth inference from multi-view images. We demonstrate that building a cost volume pyramid in a coarse-to-fine manner instead of ...

Abstract: Pavement crack detection is a critical task for insuring road safety. Manual crack detection is extremely time-consuming. Therefore, an automatic road crack detection method is required to ...

Zahira, the short-lived administrative capital built by Almanzor in the late 10th century as a symbol of his power and a ...

Tidal volume is the amount of air you move in and out of your lungs when breathing normally at rest. Spirometry is a test that measures your tidal volume by recording how much air you breathe in and ...

The mystery of how the Pyramids of Giza in Egypt were built continues to elude scholars, even in the 21 st century. As famed Egyptologist Flinders Petrie records in his The Pyramids and Temples of ...

An international team of archaeologists has stumbled upon a mysterious L-shaped structure buried within a cemetery adjacent to the Great Pyramid of Khufu in Giza. The structure is 4,500 years and ...

Some standard modules for making 3d shapes with attachment support, and function forms that produce a VNF. Also included are shortcuts cylinders in each orientation and extended versions of the ...