Chemical analyses of ancient organics absorbed, and preserved, in pottery jars from the Neolithic village of Jiahu, in Henan province, Northern China, have revealed that a mixed fermented beverage of rice, honey, and fruit was being produced as early as 9,000 years ago, approximately the same time that barley beer and grape wine were beginning to be made in the Middle East.
In addition, liquids more than 3,000 years old, remarkably preserved inside tightly lidded bronze vessels, were chemically analyzed. These vessels from the capital city of Anyang and an elite burial in the Yellow River Basin, dating to the Shang and Western Zhou Dynasties (ca. 1250-1000 B.C.), contained specialized rice and millet "wines." The beverages had been flavored with herbs, flowers, and/or tree resins, and are similar to herbal wines described in the Shang dynasty oracle inscriptions.
The new discoveries, made by an international, multi-disciplinary team of researchers including the University of Pennsylvania Museum’s archaeochemist Dr. Patrick McGovern of MASCA (Museum Applied Science Center for Archaeology), provide the first direct chemical evidence for early fermented beverages in ancient Chinese culture, thus broadening our understanding of the key technological and cultural roles that fermented beverages played in China.
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08.12.2016 | University of Pittsburgh
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In recent years, lasers with ultrashort pulses (USP) down to the femtosecond range have become established on an industrial scale. They could advance some applications with the much-lauded “cold ablation” – if that meant they would then achieve more throughput. A new generation of process engineering that will address this issue in particular will be discussed at the “4th UKP Workshop – Ultrafast Laser Technology” in April 2017.
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A multi-institutional research collaboration has created a novel approach for fabricating three-dimensional micro-optics through the shape-defined formation of porous silicon (PSi), with broad impacts in integrated optoelectronics, imaging, and photovoltaics.
Working with colleagues at Stanford and The Dow Chemical Company, researchers at the University of Illinois at Urbana-Champaign fabricated 3-D birefringent...
In experiments with magnetic atoms conducted at extremely low temperatures, scientists have demonstrated a unique phase of matter: The atoms form a new type of quantum liquid or quantum droplet state. These so called quantum droplets may preserve their form in absence of external confinement because of quantum effects. The joint team of experimental physicists from Innsbruck and theoretical physicists from Hannover report on their findings in the journal Physical Review X.
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The Max Planck Institute for Physics (MPP) is opening up a new research field. A workshop from November 21 - 22, 2016 will mark the start of activities for an innovative axion experiment. Axions are still only purely hypothetical particles. Their detection could solve two fundamental problems in particle physics: What dark matter consists of and why it has not yet been possible to directly observe a CP violation for the strong interaction.
The “MADMAX” project is the MPP’s commitment to axion research. Axions are so far only a theoretical prediction and are difficult to detect: on the one hand,...
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