Ancient Babylonians Tracked Jupiter With Calculus
Trustees of the British Museum/Mathieu Ossendrijver
Ancient Babylonian cuneiform tablet text A provided essential clues to understanding four other tablets numbered text B to text E.
www.HIP.Institute / Philippe Bourseiller
Egypt will likely offer promising finds in 2016. King Tutankhamun's tomb will be under the spotlight asrecent investigation
suggests the western and northern walls of the 3,300-year-old burial may hide two secret chambers. According to Egypt's Minister of Antiquity Mamdouh al-Damaty there is a 90 percent chance the tomb of King Tut contains such chambers. Damaty made the announcement last November at the end of a radar-based investigation. The non-invasive search followed a claim by Nicholas Reeves, a British Egyptologist at the University of Arizona, who first speculated the existence of the chambers, arguing that one contains the remains, and possibly the intact grave goods, from queen Nefertiti. She was the wife of the "heretic" monotheistic pharaoh Akhenaten, Tutankhamun's father. Will archaeologists try to access the hidden chambers? Their attempt may lead to what Damaty called "one of the most important finds of the century."Radar Finds Secret Chamber in King Tut's Tomb
www.HIP.Institute / Philippe Bourseiller
The noninvasive technologies applied to King Tut's tomb will be widely used this year in another ambitious project. Called Scan Pyramid, the investigation is carried out by a team from Cairo University's Faculty of Engineering and the Paris-based organization Heritage, Innovation and Preservation under the authority of the Egyptian Ministry of Antiquities. The project aims to scan the largest pyramids of Egypt in order to detect the presence of any unknown internal structures and cavities. The technique could lead to a better understanding of the pyramids' structure and how they were built. The project uses a mix of technologies such as infrared thermography, muon radiography, and 3D reconstruction to look at the inside of four pyramids, which are more than 4,500 years old. They include Khufu, or Cheops, Khafre or Chephren at Giza, the Bent pyramid and the Red pyramid at Dahshur. Oneparticularly remarkable anomaly
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University College London
Last year a study made anextraordinary and controversial claim
: Stonehenge was basically a second-hand monument from Wales. It would have stood there hundreds of years before it was dismantled and transported to Salisbury Plain in Wiltshire. The research indicates that two quarries in the Preseli Hills of Pembrokeshire, in southwest Wales, are the source of Stonehenge's bluestones. Carbon dating revealed such stones were dug out at least 500 years before Stonehenge was built -- suggesting they were first used in a local monument that was later dismantled and dragged off to England. "Stonehenge was a Welsh monument from its very beginning. If we can find the original monument in Wales from which it was built, we will finally be able to solve the mystery," Mike Parker Pearson, director of the project and professor of British later prehistory at University College London said. Researchers have been using geophysical surveys, trial excavations and aerial photographic analysis to identify the ruins of a lost, dismantled monument. The results of such research promise to make the headlines this year. "We think we have the most likely spot. We may find something big in 2016," Kate Welham, of Bournemouth University, said.Stonehenge First Built in Wales, Study Claims
Colombian Culture Ministry
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The earliest known examples of mathematical and geometric astronomy have been identified in a series of ancient Babylonian cuneiform tablets.
An analysis of the tablets, reported in the journal Science, reveals ancient Babylonians were able to calculate the position of Jupiter using geometric techniques previously believed to have been first used some 1,400 years later in 14th century Europe.
“These texts are the earliest evidence we have from antiquity of mathematical astronomy,” said the study’s author Dr Mathieu Ossendrijver, a historian on Babylonian astronomy with the Humboldt University in Berlin.
“It describes Jupiter’s velocity across the sky and how that changes with time.”
The tablets, which are housed at the British Museum, are believed to have been unearthed from an archaeological dig in what is now modern day Iraq sometime in the 1800s.
The almost completely intact tablets are thought to have been written in Babylon between 350 and 50 BCE.
The tablets are part of a larger collection of 450 astronomy tablets from Babylon and Uruk containing celestial data arranged in rows and columns, together with instructions.
Dr Ossendrijver examined five tablets numbered as trapezoid text A to trapezoid text E, four of which deal with geometrical trapezoid shapes, but nobody understood what they were about.
One tablet key to puzzle
However, one of the tablets — trapezoid text A — provided Dr Ossendrijver with the key to understanding the other four tablets.
“I discovered that they describe the motion of Jupiter as a velocity, the number of degrees it moves across the sky in a day,” Dr Ossendrijver said.
“If you plot the velocity of Jupiter against time, you get a creeping curve which looks like a rectangle with a slanted top — that’s the trapezoid.”
The tablets show two intervals from when Jupiter first appears along the horizon at night, to the planet’s position in the sky after 60 and 120 days.
The tablets also computed the time when Jupiter covers half of this 60-day distance by partitioning the trapezoid into two smaller ones of equal area.
“We’re not really sure why the Babylonians were so interested in the motion of the planet Jupiter, but one possible explanation is that Jupiter was associated with Marduk the supreme god of Babylon,” Dr Ossendrijver said.
“These astronomers or priests were employed by Babylon’s main temple where Marduk was venerated. Each god had a star and Marduk’s was Jupiter.”
Babylonian writing is thought to have originally developed as an accounting system for keeping track of property such as sheep, grain, or the size of a field.
“That’s what most of the cuneiform tablets we have from Mesopotamia deal with,” Dr Ossendrijver said.
“But by about 2000 BCE they began to develop a form of mathematics with sophisticated field computations and methods for solving what we call quadratic equations that go beyond these practical things. It’s a way of describing and computing motion, similar to what we today call integral calculus.”
These tablets redefine our history books as the origins of calculus are generally traced back to the Middle Ages when people began using geometry to calculate velocity by plotting the position of an object against time.
“This is highly surprising. No-one expected to find something like this in antiquity,” Dr Ossendrijver said.
“While ancient Greeks used geometrical figures to describe configurations in physical space, centuries earlier these Babylonian tablets used geometry in an abstract sense to define time and velocity.”
This originally appeared on ABC Science Online.