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Events on Tuesday, February 4th, 2020

Chaos & Complex Systems Seminar
Anesthesia in the Anthropocene: Environmental and economic considerations of modern anesthesia and surgery
Time: 12:05 pm
Place: 4274 Chamberlin (refreshments will be served)
Speaker: Mike Ries, UW Department of Anesthesiology
Abstract: Climate health and population health are undeniably and inextricably linked. As healthcare institutions maintain a moral obligation to the healing of all the world's citizens, and healthcare being a significant, environmentally burdensome business, there exists a large motive and opportunity for "greening" healthcare. Even further, the operating room has been singled out as the most polluting and most energy-intensive part of the modern healthcare ecosystem. As the perioperative expert, this places a moral and economic obligation on anesthesiologists to improve environmental standards in the operating room. During this talk we will discuss the complex environmental and economic problems facing the healthcare industry and more specifically how "greening" the OR is the right choice for checkbooks and our environment alike.
Host: Clint Sprott
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"Physics Today" Undergrad Colloquium (Physics 301)
Spintronics and Mulitiferroics
Time: 1:20 pm
Place: 2241 Chamberlin Hall
Speaker: Mark Rzchowski, UW Madison Department of Physics
Host: Sridhara Dasu
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NPAC (Nuclear/Particle/Astro/Cosmo) Forum
Disentangling a century-old mystery: a path to unveiling the origins of the ultra-high-energy Universe
Time: 3:30 pm
Place: Room 4274, Chamberlin
Speaker: Lu Lu
Abstract: The highest-energy particles discovered in Nature are ultra-high-energy cosmic rays (UHECR). They carry energies orders of magnitude higher than that reached by man-made accelerators. Technological advances in the past thirty years have enabled us to precisely characterize the flux, composition, and arrival directions of UHECR. The Pierre Auger Observatory, the largest cosmic-ray experiment on Earth, is an observatory dedicated to the study of UHECR by detecting air showers produced in Earth's atmosphere. Additionally, the cubic-kilometer IceCube Neutrino Observatory has discovered a diffuse flux of high-energy astrophysical neutrinos at PeV energies. However, the origins of UHECR remain an enduring mystery, and their connections with IceCube neutrinos remain unclear. In this talk, I will review the state-of-the-art for our understanding of the UHE Universe and propose a road map that combines measurements from Pierre Auger, IceCube and other multi-messenger partners, utilizing data of UHE photons and astrophysical neutrinos, for the detection of the first possible UHE source.
Host: Albrecht Karle
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