Что общего между Черной дырой и перфокартным компьютером IBM 7040? На самом деле много, сегодняшний выпуск о том как древний компьютер помог приблизится в понимании как именно должна выглядеть черная дыра. Черные дыры в некотором смысле остаются объектами гипотетическими, но астрономы практически не сомневаются в их реальности, так как получено огромное количество косвенных свидетельств их существования, начиная от наблюдений тесных двойных систем и до гравитационных волн. Однако непосредственных наблюдений черных дыр до сих пор не существовало.
Это связано в первую очередь с их чрезвычайно малым размером и большой удаленностью: так, силуэт сверхмассивной черной дыры в центре Млечного Пути, согласно оценкам, должен быть виден под углом около 10 микросекунд дуги. Также существуют дополнительные осложнения: находящиеся рядом объекты могут мешать наблюдениям, а распространяющийся сквозь космическую среду сигнал будет поглощаться или рассеиваться, искажая изображение.Тем не менее, ученые давно задумались над вопросом о том, как могла бы выглядеть черная дыра, — ведь в смысле гравитации это объект с экстремальными свойствами, у которого должны происходить необычные явления.
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Welcome to Deep Relaxing Space Ambient Music. It is an excellent Cosmic Background for Studying, Dreaming, Stress Relief, for creating continues cosmic mood for dreaming and reading fantastic, for creating arts, studying astronomy, exploring outer space, writing. Also it helps to beat anxiety and insomnia
Michio Kaku: The Universe in a Nutshell
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—
OVERVIEW:
In a profoundly informative and deeply optimistic discussion, Professor Michio Kaku delivers a glimpse of where science will take us in the next hundred years, as warp drives, teleportation, inter-dimensional wormholes, and even time travel converge with our scientific understanding of physical reality. While firing up our imaginations about the future, he also presents a succinct history of physics to the present.
—
MICHIO KAKU:
Dr. Michio Kaku is the co-founder of string field theory, and is one of the most widely recognized scientists in the world today. He has written 4 New York Times Best Sellers, is the science correspondent for CBS This Morning and has hosted numerous science specials for BBC-TV, the Discovery/Science Channel. His radio show broadcasts to 100 radio stations every week. Dr. Kaku holds the Henry Semat Chair and Professorship in theoretical physics at the City College of New York (CUNY), where he has taught for over 25 years. He has also been a visiting professor at the Institute for Advanced Study as well as New York University (NYU).
— TRANSCRIPT:
My name is Professor Michio Kaku. I’m a professor of theoretical physics at the City University of New York and I specialize in something called string theory. I’m a physicist.
Some people ask me the question, “What has physics done for me lately? I mean, do I get better color television, do I get better internet reception with physics?” And the answer is yes. You see, physics is at the very foundation of matter and energy. We physicists invented the laser beam, we invented the transistor. We helped to create the first computer. We helped to construct the internet. We wrote the World Wide Web. In addition, we also helped to invent television, radio, radar, microwaves, not to mention MRI scans, PET scans, x-rays. In other words, almost everything you see in your living room, almost everything you see in a modern hospital, at some point or other, can be traced to a physicist.
Now, I got interested in physics when I was a child. When I was a child of eight, something happened to me that changed my life and I wanted to be part of this grand search for a theory of everything. When I was eight, a great scientist had just died. I still remember my elementary school teacher coming into the…
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Big Think is the leading source of expert-driven, actionable, educational content — with thousands of videos, featuring experts ranging from Bill Clinton to Bill Nye, we help you get smarter, faster. Subscribe to learn from top minds like these daily. Get actionable lessons from the world’s greatest thinkers
Hello and welcome! My name is Anton and in this video, we will talk about the recently discovered brightest supernova ever known as SN2016aps
Paper: arxiv.org/pdf/2004.05840.pdf
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Dave Blair
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Michael Mitsuda
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Barnard Rabenold
Gordon Cooper
Tracy Burgess
Douglas Burns
Jayjay Volz
Anataine Deva
Kai Raphahn
Sander Stols
Bodo Graßmann
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gary steelman
Max McNally
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Sergio Ruelas
Steven Aiello
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xyndicate
Honey Suzanne Lyons
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ESA’s anniversary DVD film “Hubble — 15 years of discovery” covers all aspects of the Hubble Space Telescope project – a journey through the history, the troubled early life and the ultimate scientific successes of Hubble. This portrait, directed by Lars Lindberg Christensen, contains large amounts of previously unpublished footage of superb quality. With more than 500,000 copies distributed, this DVD movie is probably the most widely available science documentary ever.
Hubbles spectacular visual images make a stunning backdrop throughout the film, bringing an immediacy and vitality as the narrative reveals the new insights Hubble has inspired in all fields of astronomy from exoplanets to black holes. Complex though the science behind the telescope’s images often is, Art Director Martin Kornmesser has developed a unique style of elaborate 3D animation that enhances and vividly clarifies the underlying science.
The movie is presented by an ESA scientist, Dr. Robert (Bob) Fosbury, who has himself used Hubble for his own research on many occasions.
Источники или доп. информация:
О черной дыре в системе Лебедь Х-1: chandra.harvard.edu/photo/2011/cygx1/
Удивительная история черных дыр, «ПОПУЛЯРНАЯ МЕХАНИКА» №11, 2005
«Только физика, только хардкор!» Дмитрий Побединский
Лекции астрофизика Сергея Попова
Беседа астрофизика Сергея Попова и физика Эмиля Ахмедова: Проблема изучения черных дыр www.youtube.com/watch?v=iFmq-WjxtXI
