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Title : Artifact may be world's first protractor
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Artifact may be world's first protractor

The foreign object on the right was found in the tomb of an ancient Egyptian architect. For over 100 years, has languished for archeology discussed their role.
Now, a physicist has thrown his hat into the ring, saying it is a first carrier known in the world. The intriguing suggestion - that has drawn skepticism from archaeologists - is based on numbers encoded within the carvings on its surface
The architect Kha helped build tombs of pharaohs during the 18th dynasty. , around 1400 BC. His own tomb was discovered intact in 1906 by archaeologist Ernesto Schiaparelli in Deir-al-Medina, near the Valley of the Kings. Among the belongings were Kha measuring instruments including bars elbow, a leveling device that resembles a modern fleet, and what appeared to be an empty wooden box strangely with a hinged lid.

Schiaparelli thought the latter had held another object leveling instrument. The museum in Turin, Italy, where items are now displayed identifies it as the case of a balance scale.
But Amelia Sparavigna, a physicist at the Polytechnic University of Turin, suggests that it was a tool different architecture - a conveyor. The key, he says, lies in the numbers encoded in the ornate decoration of the object which resembles a compass rose with 16 evenly spaced petals surrounded by a circular zigzag 36 corners.
says Sparavigna that if you put the first piece of the straight bar Object on a slope, a plumb bob would have shown their inclination in circular dial (as illustrated in this figure).

Source: newscientist.com

"Artifact may be world's first protractor", article source: riseearth.com

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