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Videa shodující se s "cosmos"

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Physicist Brian Greene reveals the fundamental structure and workings of our world in a 4 part documentary "The Fabric of the Cosmos" Part 2 as seen on NOVA describes the illusion of time.
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Physicist Brian Greene reveals the fundamental structure and workings of our world in a 4 part documentary "The Fabric of the Cosmos" Part 4 as seen on NOVA describes Universe or Multiverse
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Physicist Brian Greene reveals the fundamental structure and workings of our world in a 4 part documentary "The Fabric of the Cosmos" Part 3 as seen on NOVA describes the quantum leap.
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Physicist Brian Greene reveals the fundamental structure and workings of our world in a 4 part documentary "The Fabric of the Cosmos" Part 1 as seen on NOVA describes space and what space really is.
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The Fabric of the Cosmos: Quantum Leap - NOVA
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Překvapivé stopy ukazují, že prostor je velmi něco a ne nic. Tkanina z vesmíru Uznávaný fyzik Brian Greene odhaluje šokující realitu pod povrchem našeho každodenního světa. | Surprising clues indicate that space is very much something and not nothing. The Fabric of the Cosmos Acclaimed physicist Brian Greene reveals a mind-boggling reality beneath the surface of our everyday world.
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Join Brian Greene on a wild ride into the weird realm of quantum physics, which governs the universe on the tiniest of scales. Greene brings quantum mechanics to life in a nightclub like no other, where objects pop in and out of existence and things over here can affect others over there, instantaneously—without anything crossing the space between them. A century ago, during the initial shots in the quantum revolution, the best minds of a generation—including Albert Einstein and Niels Bohr—squared off in a battle for the soul of physics. How could the rules of the quantum world, which work so well to describe the behavior of individual atoms and their components, appear so dramatically different from the everyday rules that govern people, planets, and galaxies? Quantum mechanics may be counterintuitive, but it's one of the most successful theories in the history of science, making predictions that have been confirmed to better than one part in a billion, while also launching the technological advances at the heart of modern life, like computers and cell phones. But even today, even with such profound successes, the debate sill rages over what quantum mechanics implies for the true nature of reality.
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The mind-blowing answer comes from a theory describing the birth of the universe in the first instant of time. The universe has long captivated us with its immense scales of distance and time. How far does it stretch? Where does it end... and what lies beyond its star fields... and streams of galaxies extending as far as telescopes can see? These questions are beginning to yield to a series of extraordinary new lines of investigation... and technologies that are letting us to peer into the most distant realms of the cosmos... But also at the behavior of matter and energy on the smallest of scales. Remarkably, our growing understanding of this kingdom of the ultra-tiny, inside the nuclei of atoms, permits us to glimpse the largest vistas of space and time. In ancient times, most observers saw the stars as a sphere surrounding the earth, often the home of deities. The Greeks were the first to see celestial events as phenomena, subject to human investigation... rather than the fickle whims of the Gods. One sky-watcher, for example, suggested that meteors are made of materials found on Earth... and might have even come from the Earth. Those early astronomers built the foundations of modern science. But they would be shocked to see the discoveries made by their counterparts today. The stars and planets that once harbored the gods are now seen as infinitesimal parts of a vast scaffolding of matter and energy extending far out into space. Just how far... began to emerge in the 1920s. Working at the huge new 100-inch Hooker Telescope on California's Mt. Wilson, astronomer Edwin Hubble, along with his assistant named Milt Humason, analyzed the light of fuzzy patches of sky... known then as nebulae. They showed that these were actually distant galaxies far beyond our own. Hubble and Humason discovered that most of them are moving away from us. The farther out they looked, the faster they were receding. This fact, now known as Hubble's law, suggests that there must have been a time when the matter in all these galaxies was together in one place. That time... when our universe sprung forth... has come to be called the Big Bang. How large the cosmos has gotten since then depends on how long its been growing... and its expansion rate. Recent precision measurements gathered by the Hubble space telescope and other instruments have brought a consensus... That the universe dates back 13.7 billion...
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ORION... Hail... Hail Sacred Eyes of Horus... Hail Cross of Eternal Life... Hail Powerful Rose of the Soul... Hail... King Father Ankhaton (Amenophis-Amenhotep IV) Queen Mother Nefertiti Hail... Hail Goddess of Light... Hail Beloved Daugther of Egypt... Hail True Princess of Egypt...Incarnated... Hail... Hail...Princess SUN THE RA... Your Most Beloved...Has Just Arrived...♥ He Says: " -Hotep-Osiris-Kam- " (Peace from Kam's Constellation O-Sirius Star)
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Embark on an astounding journey across 100,000 light-years to witness key moments in the history of the Milky Way. Using cutting-edge science, National Geographic constructs a 3-D state-of-the-art CGI model of our galaxy. Gaze into the heart of the Milky Way on the hunt for super-massive black holes. Witness as stars are born and die. Fly out and above the plane of our galaxy to understand its true shape and scour its dusty spiral arms for the possibility of life.
458 zhlédnutí
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Time. We waste it, save it, kill it, make it. The world runs on it. Yet ask physicists what time actually is, and the answer might shock you: They have no idea. Even more surprising, the deep sense we have of time passing from present to past may be nothing more than an illusion. How can our understanding of something so familiar be so wrong? In search of answers, Brian Greene takes us on the ultimate time-traveling adventure, hurtling 50 years into the future before stepping into a wormhole to travel back to the past. Along the way, he will reveal a new way of thinking about time in which moments past, present, and future—from the reign of T. rex to the birth of your great-great-grandchildren—exist all at once. This journey will bring us all the way back to the Big Bang, where physicists think the ultimate secrets of time may be hidden. You'll never look at your wristwatch the same way again.
375 zhlédnutí
Kategorie: Dokumenty
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Recent developments in cosmology and particle physics, such as the string landscape picture, have led to the remarkable realization that our universe - rather than being unique - could be just one of many universes. The multiverse proposal helps to explain the origin of the universe and some of its observational features. Since the physical constants can be different in other universes, the fine-tunings which appear necessary for the emergence of life may also be explained. Nevertheless, many physicists remain uncomfortable with the multiverse proposal, since it is highly speculative and perhaps untestable. In this volume, a number of active and eminent researchers in the field - mainly cosmologists and particle physicists but also some philosophers - address these issues and describe recent developments. The articles represent the full spectrum of views, providing for the first time an overview of the subject. They are written at different academic levels, engaging lay-readers and researchers alike.
509 zhlédnutí
Kategorie: Turismus
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Moscow Russia MegaCity Tour Motion, Pict2012 WATCH Russia Vid: http://www.youtube.com/watch?v=xEooD5xiLMo&feature=c4-overview-vl&list=PLxA0igqwGCrJI_YFOqNJgOzTCFEwDGnGW Moscow Russia City Break- Some clues: *00:00 MosFilm Monument - Worker and Kolkhoz Woman http://englishrussia.com/2007/01/28/mosfilm-monument/ *00:19 Monument to the Conquerors of Space http://englishrussia.com/2012/01/09/underground-museum-of-astronautics-in-moscow/ *02:32 Cosmos Hotel http://www.hotelcosmos.ru/eng/ *04:31 Red Square, Saint Basil's Cathedral (Cathedral of St. Vasily the Blessed), Spasskaya Tower, Kazan Cathedral, etc http://en.wikipedia.org/wiki/Red_Square *06:54 Cathedral of Christ the Saviour http://www.xxc.ru/english/ *07:55 Panoramic view from Sparrow Hills, Vorobyovy Gory *08:50 Residential buildings *10:55 Traffic, tour by car *13:03 GUM (department store), "Mall" http://www.gum.ru/en/history/ *14:44 Kremlin http://www.kreml.ru/en/ *16:44 Russian State Library *17:08 Kremlin Park - Alexander Garden *17:55 Old Arbat -- Historical Centre http://en.wikipedia.org/wiki/Arbat_Street *21:11 Ministry of Foreign Affairs - One of the Stalin's Seven Sisters http://www.moscow-russia-insiders-guide.com/seven-sisters-in-moscow.html *22:45 Moscow - Moscva River -- Boat Trip *31:00 Skyscrapers - Moscow International Business Center *33:55 Sapsan high-speed train The capital city is a major political, economic, cultural and scientific center in Russia and in Europe and has the largest community of billionaires in the world. Moscow is the northernmost megacity on Earth, the most populous city in Europe and the 5th largest city proper in the world. http://en.wikipedia.org/wiki/Moscow English 日本語 العربية हिंदी 한국 中文 Deutsch français italiano русский português español Music CC by "zero project" http://www.zero-project.gr & "Y" http://www.yband.si
1039 zhlédnutí
Kategorie: Dokumenty
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It now seems that our entire universe is living on borrowed time. How long it can survive depends on whether Stephen Hawking's theory checks out. Special thanks to Ivan Bridgewater for use of footage. Time is flying by on this busy, crowded planet... as life changes and evolves from second to second. And yet the arc of human lifespan is getting longer: 65 years is the global average ... way up from just 20 in the Stone Age. Modern science, however, provides a humbling perspective. Our lives... indeed the life span of the human species... is just a blip compared to the age of the universe, at 13.7 billion years and counting. It now seems that our entire universe is living on borrowed time... And that even it may be just a blip within the grand sweep of deep time. Scholars debate whether time is a property of the universe... or a human invention. What's certain is that we use the ticking of all kinds of clocks... from the decay of radioactive elements to the oscillation of light beams... to chart and measure a changing universe... to understand how it works and what drives it. Our own major reference for the passage of time is the 24-hour day... the time it takes the Earth to rotate once. Well, it's actually 23 hours, 56 minutes and 4.1 seconds... approximately... if you're judging by the stars, not the sun. Earth acquired its spin during its birth, from the bombardment of rocks and dust that formed it. But it's gradually losing that rotation to drag from the moon's gravity. That's why, in the time of the dinosaurs, a year was 370 days... and why we have to add a leap second to our clocks about every 18 months. In a few hundred million years, we'll gain a whole hour. The day-night cycle is so reliable that it has come to regulate our internal chemistry. The fading rays of the sun, picked up by the retinas in our eyes, set our so-called "circadian rhythms" in motion. That's when our brains begin to secrete melatonin, a hormone that tells our bodies to get ready for sleep. Long ago, this may have been an adaptation to keep us quiet and clear of night-time predators. Finally, in the light of morning, the flow of melatonin stops. Our blood pressure spikes... body temperature and heart rate rise as we move out into the world. Over the days ... and years... we march to the beat of our biology. But with our minds, we have learned to follow time's trail out to longer and longer...
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