The Universe is always surprising us with how little we know about... the Universe. It's continuously presenting us with stuff we never imagined, or even thought possible. The search for extrasolar planets is a great example. Since we started, astronomers have turned up over a thousand
From playlist Planets and Moons
What exactly is space? Brian Greene explains what the "stuff" around us is. Subscribe to our YouTube Channel for all the latest from World Science U. Visit our Website: http://www.worldscienceu.com/ Like us on Facebook: https://www.facebook.com/worldscienceu Follow us on Twitter: https:
From playlist Science Unplugged: Physics
If the universe is spatially infinite, what can we say about reality...
Subscribe to our YouTube Channel for all the latest from World Science U. Visit our Website: http://www.worldscienceu.com/ Like us on Facebook: https://www.facebook.com/worldscienceu Follow us on Twitter: https://twitter.com/worldscienceu
From playlist Science Unplugged: Cosmology
A perfectly magical video from HubbleCast, with the famous Dr. J. The Andromeda Galaxy is revealed in unprecedented detail in four archive observations from the NASA/ESA Hubble Space Telescope. They show stars and structure in the galaxy's disc, the halo of stars that surrounds it, and a s
From playlist Frontiers of Deep Space
Revel in some of the highest resolution images from the Hubble Space Telescope. Experience anew the detail in these inspiring images, snatched from distant galaxies, exploding stars, brilliant gas clouds, and black holes.
From playlist SpaceRip 4K
Alex Margolis: Quasi-actions and almost normal subgroups
CIRM VIRTUAL EVENT Recorded during the meeting"Virtual Geometric Group Theory conference " the May 27, 2020 by the Centre International de Rencontres Mathématiques (Marseille, France) Filmmaker: Guillaume Hennenfent Find this video and other talks given by worldwide mathematicians on CIRM
From playlist VIRTUAL EVENT GEOMETRIC GROUP THEORY CONFERENCE
Alex Margolis: Quasi-actions and almost normal subgroups
CIRM VIRTUAL EVENT Recorded during the meeting"Virtual Geometric Group Theory conference " the May 27, 2020 by the Centre International de Rencontres Mathématiques (Marseille, France) Filmmaker: Guillaume Hennenfent Find this video and other talks given by worldwide mathematicians on CIRM
From playlist Virtual Conference
Alien's View of Our Solar System
From NASA Astrophysics... a supercomputer simulation shows how alien astronomers might have seen the formation of our solar system. Dust ground off icy bodies in the Kuiper Belt, the cold-storage zone that includes Pluto and millions of other objects, creates a faint infrared disk potentia
From playlist Alien Planets
Hierarchy Hyperbolic Spaces (Lecture - 3) by Jason Behrstock
Geometry, Groups and Dynamics (GGD) - 2017 DATE: 06 November 2017 to 24 November 2017 VENUE: Ramanujan Lecture Hall, ICTS, Bengaluru The program focuses on geometry, dynamical systems and group actions. Topics are chosen to cover the modern aspects of these areas in which research has b
From playlist Geometry, Groups and Dynamics (GGD) - 2017
What is the Universe expanding into?
Subscribe to our YouTube Channel for all the latest from World Science U. Visit our Website: http://www.worldscienceu.com/ Like us on Facebook: https://www.facebook.com/worldscienceu Follow us on Twitter: https://twitter.com/worldscienceu
From playlist Science Unplugged: Cosmology
Supermassive Black Holes Anchor Existence
Supermassive black holes aren't just spinning at the center of most galaxies--they may actually be creating them. | For more STRIP THE COSMOS, visit http://www.sciencechannel.com/tv-shows/strip-the-cosmos/#mkcpgn=ytsci1 Subscribe to Science Channel! | http://www.youtube.com/subscription_c
From playlist Strip the Cosmos
Ahlfors-Bers 2014 "Rigidity of Teichmüller space"
Kasra Rafi (University of Toronto): We study the large scale geometry of Teichmüller space equipped with the Teichmüller metric. We show that, except for low complexity cases, any self quasi-isometry of Teichmüller space is a bounded distance away from an isometry of Teichmüller space. Our
From playlist The Ahlfors-Bers Colloquium 2014 at Yale
Constructing group actions on quasi-trees – Koji Fujiwara – ICM2018
Topology Invited Lecture 6.12 Constructing group actions on quasi-trees Koji Fujiwara Abstract: A quasi-tree is a geodesic metric space quasi-isometric to a tree. We give a general construction of many actions of groups on quasi-trees. The groups we can handle include non-elementary hype
From playlist Topology
Sahana Balasubramanya: Quasi-parabolic structures on groups
CIRM VIRTUAL EVENT Recorded during the meeting"Virtual Geometric Group Theory conference " the May 22, 2020 by the Centre International de Rencontres Mathématiques (Marseille, France) Filmmaker: Guillaume Hennenfent Find this video and other talks given by worldwide mathematicians on CIRM
From playlist Virtual Conference
Charles Rezk - 1/4 Higher Topos Theory
Course at the school and conference “Toposes online” (24-30 June 2021): https://aroundtoposes.com/toposesonline/ Slides: https://aroundtoposes.com/wp-content/uploads/2021/07/RezkNotesToposesOnlinePart1.pdf In this series of lectures I will give an introduction to the concept of "infinity
From playlist Toposes online
Hubble Dazzling First Light Images in HD
Watch this and other space videos at http://SpaceRip.com Spectacular new images from distant space that you must see to believe. The revolutionary Hubble Space Telescope will continue to open our eyes to the universe.
From playlist Frontiers of Deep Space
Kevin Whyte, Lecture 2: Infinite Groups in Geometric Topology, Part 2
31st Workshop in Geometric Topology, University of Wisconsin-Milwaukee, June 13, 2014
From playlist Kevin Whyte: 31st Workshop in Geometric Topology
Examples of non-positively curved groups - Kim Ruane
Women and Mathematics Title: Examples of non-positively curved groups Speaker: Kim Ruane Affiliation: Tufts University Date: May 23, 2017 For more videos, please visit http://video.ias.edu
From playlist Mathematics
Supermassive Black Holes: 10 Astounding Facts
Find out what astronomers have been learning when they look deep into the core of giant galaxies. In nearly every one, they are turning up supermassive black holes that are tearing space to shreds, blasting away at their environments, and raging against the relentless force of gravity that
From playlist Spaceten
Free and hyperbolic groups - Olga Kharlampovich
Women and Mathematics Title: Free and hyperbolic groups Speaker: Olga Kharlampovich Affiliation: Hunter College CUNY Date: May 19, 2017 For more videos, please visit http://video.ias.edu
From playlist Mathematics