Nostr

The Great Pyramid's conspicuous speed of light latitude is no accident

https://www.researchgate.net/publication/306097887

"The Great Pyramid was built ∼4500 years ago but a neighbouring monument exhibits considerably greater signs of ageing. Sea levels were appreciably lower at the end of the Ice Age when Giza was situated at the intersection of the lengthiest geodesic and parallel over land, a record the carving of the Sphinx appears to have commemorated. The Sphinx patiently weathered a hostile climate until the Great Pyramid was constructed, whose latitude in degrees tallies with the speed of light, c = 299, 792 km/s, to six significant digits. The pyramid's geometry showcases both π and the golden ratio, φ, with the conjunction π − φ^2 ≈ π/6 ≈ φ^2/5 not only providing a natural basis for the cubit/metre ratio but also approximating the speed-of-light latitude in radians. Its scaling reflects the size of the Earth and its rotation rate. By relating cubits to metres and days to seconds, this mighty monument quite deliberately encodes the value of c, figuratively permitting the conversion of energy to mass. Parallels exist with a recent analysis of Avebury, which also demonstrates ancient knowledge of modern physics."

DataNostrum 2y ago

At first I thought the "speed of light latitude" was nonsense, because the meter was only defined at the end of the 18th century, but I learned that it was defined as a ten-millionth of the distance from the pole to the equator, which is not completely arbitrary, so it's not impossible that the Egyptians used the same unit (up to a power of 10). Somehow the paper implicitly assumes that their unit of angle was the degree; ok could be, from what I read the Babylonians also divided the ecliptic into 360 degrees.

However, the paper doesn't take into account the fact that the African tectonic plate moves northeast by about 2.15 cm per year. This would mean that the Great Pyramid has moved north roughly 70 m since its construction ~4600 years ago, so its original latitude was probably about 29.9785 degrees, no longer quite such an uncanny match with the speed of light.

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