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Showing posts with label Universe. Show all posts
Showing posts with label Universe. Show all posts

Is Time Travel Possible ?

Time travel is the concept of moving between different points in time in a manner analogous to moving between different points in space. Time travel could hypothetically involve moving backward in time to a moment earlier than the starting point, or forward to the future of that point without the need for the traveler to experience the intervening period (at least not at the normal rate).  


Is Time Travel Possible ?  - PART 1

 
Through the warmholes - Science - Is time travel possible : Part 1 by Avinstuff

 Is Time Travel Possible ? PART2 


Is Time Travel Possible ? - Part 2 by Avinstuff 

  Is Time Travel Possible ? PART 3

 
Is Time Travel Possible ? Part 3 by Avinstuff

The Fabric of the Cosmos: Quantum Leap

The Fabric of the Cosmos, a four-hour series based on the book by renowned physicist and author Brian Greene, takes us to the frontiers of physics to see how scientists are piecing together the most complete picture yet of space, time and the universe. With each step, audiences will discover that just beneath the surface of our everyday experience lies a world we'd hardly recognize--a startling world far stranger and more wondrous than anyone expected.



In Episode 3, "Quantum Leap," 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 and 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, conflict so dramatically with the everyday rules that govern people, planets and galaxies?

Time Machine : BBC

From the creation of the highest mountains to the opening of a flower's petals, time controls the world around us. To understand this super-powerful force on Earth, we must wrench control of time ourselves - compressing, expanding, stopping and dissecting it, to reveal how the passing of time shapes our world and lives.
The World Shaped By Time. First in a three-part documentary series offering an insight into the dramatic forces that shape life on Earth, using speeded-up footage that compresses centuries into seconds. The programme follows the movement of mountains, rivers, glaciers and the sea, and offers a glimpse of what the future might hold, revealing how the Great Rift Valley may well be on its way to becoming the next ocean.




Life: The Race Against Time. How the passing of time on Earth affects life on a variety of levels, from the daily opening of a flower's petals to the evolution of the horse. A swift journey through the seasons demonstrates how caribou spend most of their time on the move, while the flying squirrel's body clock, attuned to the rhythms of the Earth, is revealed to be the most accurate in nature.
Masters of Time. The last episode in the series examines how humans perceive and experience time, investigating the internal body clock which tells people when to eat, drink, sleep and relax. The importance of accurately measuring time is explored in relation to human evolution, and there's a debate about whether mankind will ever be able to travel between past, present and future.

Big, Bigger, Biggest - Space Station

ISS i.e International Space Station is the lagest object made by the man in the space which can carry about 10 Astronauts.National Geographic channel show BIG BIGGER BIGGEST showing the making history of this giant SPACE SHUTTLE.

This episode reveals the technological inventions that made the construction of the International Space Station possible. 




Hunting the Edge of Space: The Mystery of the Milky Way (HD)

Nova examines the physics of telescope design. Following the development of the telescope over several centuries the program explains the challenges that the major design innovations solved and the inevitable major discoveries they produced.

Fractals: Hunting the Hidden Dimension (HD)

Mysteriously beautiful fractals are shaking up the world of mathematics and deepening our understanding of nature. You may not know it, but fractals, like the air you breathe, are all around you.
Their irregular, repeating shapes are found in cloud formations and tree limbs, in stalks of broccoli and craggy mountain ranges, even in the rhythm of the human heart.


In this film, we takes viewers on a fascinating quest with a group of maverick mathematicians determined to decipher the rules that govern fractal geometry.


For centuries, fractal-like irregular shapes were considered beyond the boundaries of mathematical understanding. Now, mathematicians have finally begun mapping this uncharted territory.


Their remarkable findings are deepening our understanding of nature and stimulating a new wave of scientific, medical, and artistic innovation stretching from the ecology of the rain forest to fashion design.
The documentary highlights a host of filmmakers, fashion designers, physicians, and researchers who are using fractal geometry to innovate and inspire.





The Fabric of the Cosmos: The Illusion of Time

This program challenges our traditional questions about time such as; does it flow in one direction or does it flow at all? Does everyone experience the same now? Is time travel possible? Will time come to an end?

Passport to Pluto - New Horizons

Planetary exploration is a historic endeavor and a major focus of NASA. New Horizons is designed to help us understand worlds at the edge of our solar system by making the first reconnaissance of Pluto and Charon - a "double planet" and the last planet in our solar system to be visited by spacecraft. Then, as part of an extended mission, New Horizons would visit one or more objects in the Kuiper Belt region beyond Neptune. 




Hubble's Amazing Universe

Hubble Space Telescope is awaiting one final shuttle servicing mission, but why is a telescope worth the risk? Hubble has made numerous discoveries, such as the birth of stars, the death of stars, the existence of black holes, the violence of a comet crash, charting Dark Matter clouds, and discovering 2/3rds of the Universe itself, in the form of mysterious Dark Energy. One day, the Hubble mission will end, and Hubble will burn up in the atmosphere. But a new telescope, the James Webb, will take its place among the stars.

 

The Universe : Deep Space Disasters (HD)

In space travel there is a saying that the first 50 miles and the last 50 miles are the most dangerous. Explore the controlled explosion of launch, the fiery crucible of reentry and everything in between. See how a single spark inside a spacecraft or a micrometeoroid less than an inch wide hitting a space station can turn a routine mission into a lethal nightmare.

Life In The Universe Documentary

Watch this documentary and get amazed about the Life In The Universe Documentary.

 

APOLLO 13 - The Strue Story

Apollo 13, directed by Ron Howard and starring Tom Hanks grossed 62 million dollars at the box office and was nominated for nine academy awards. The movie tells the story of America’s ill-fated third mission to the moon in the summer of 1970. Based on the book co-written by Apollo 13 commander James Lovell, the film enshrined in the English language the phrase “Houston, we have a problem”. And it changed forever the way people relate to what has been called the most successful failure in the history of space exploration.

The True Story shows how Hollywood plucked this amazing story from obscurity and turned what NASA feared would be an embarrassing stain on its reputation into a fascinating tale of how 3 astronauts, with the support of a group of brilliant engineers, overcame staggering odds and survived.

The documentary explores the amazing feat of heroism and ingenuity that rescued the three astronauts from their crippled spacecraft two hundred thousand miles from earth and brought them home. It reveals the almost unbearable conditions the astronauts had to suffer through: Intense cold, dangerous levels of carbon dioxide and crushing physical exhaustion. But how close to the truth was Hollywood’s portrayal of the story? 


 

Earth From Space (HD)

"Earth From Space" is a groundbreaking two-hour special that reveals a spectacular new space-based vision of our planet. 

Produced in extensive consultation with NASA scientists, NOVA takes data from earth-observing satellites and transforms it into dazzling visual sequences, each one exposing the intricate and surprising web of forces that sustains life on earth. 

Viewers witness how dust blown from the Sahara fertilizes the Amazon; how a vast submarine "waterfall" off Antarctica helps drive ocean currents around the world; and how the Sun's heating up of the southern Atlantic gives birth to a colossally powerful hurricane. From the microscopic world of water molecules vaporizing over the ocean to the magnetic field that is bigger than Earth itself, the show reveals the astonishing beauty and complexity of our dynamic planet.

Origins: Earth is Born

See the first billion years on Planet Earth—a time of continuous catastrophe, from volcanic eruptions to hot acid rain. Aired February 28, 2004 on PBS
 





"Origins: Earth is Born" gives viewers a spectacular glimpse of the tumultuous first billion years of Planet Earth—a time of continuous catastrophe. Vivid animation lets viewers witness the traumatic birth of the moon from a titanic collision between Earth and an object believed to have been the size of Mars.
Bombarded by meteors and comets, rocked by massive volcanic eruptions, and scoured by hot acid rain, the early Earth seems a highly improbable place for life to have taken root. Despite such violent beginnings, scientists have found new clues that life-giving water and oxygen appeared on our planet much earlier than previously thought.

Magnetic Storm

Like the plot of a sci-fi B movie, something weird is happening deep underground where the constant spin of Earth’s liquid metallic core generates an invisible magnetic force field that shields our planet from harmful radiation in space. Gradually, the field is growing weaker. Could we be heading for a demagnetized doomsday that will leave us defenseless against the lethal effects of solar wind and cosmic rays? “Magnetic Storm” looks into our potentially unsettling magnetic future.   



Scientists studying the problem are looking everywhere from Mars, which suffered a magnetic crisis four billion years ago and has been devoid of a magnetic field, an appreciable atmosphere, and possibly life ever since, to a laboratory at the University of Maryland, where a team headed by physicist Dan Lathrop has re-created the molten iron dynamo at Earth’s core by using 240 pounds of highly explosive molten sodium. The most visible signs of Earth’s magnetic field are auroras, which are caused by charged particles from space interacting with the atmosphere as they flow into the north and south magnetic poles. 


But the warning signs of a declining field are subtler—though they are evident in every clay dish that was ever fired. During high-temperature baking, iron minerals in clay record the exact state of Earth’s magnetic field at that precise moment. By examining pots from prehistory to modern times, geologist John Shaw of the University of Liverpool in England has discovered just how dramatically the field has changed. “When we plot the results from the ceramics,” he notes, "we see a rapid fall as we come toward the present day. The rate of change is higher over the last 300 years than it has been for any time in the past 5,000 years. It’s going from a strong field down to a weak field, and it’s doing so very quickly."


At the present rate, Earth’s magnetic field could be gone within a few centuries, exposing the planet to the relentless blast of charged particles from space with unpredictable consequences for the atmosphere and life. Other possibilities: the field could stop weakening and begin to strengthen, or it could weaken to the point that it suddenly flips polarity—that is, compasses begin to point to the South Magnetic Pole

To the Moon

Welcome to the companion Web site to "To the Moon," a two-hour NOVA special, originally broadcast on July 13, 1999. The program chronicles the untold science and engineering story of how we got to the moon. Here's what you'll find online:
Explore the Moon
Join the Apollo astronauts on the surface in this series of stunning 360-degree panoramas (QTVRs), one each from the six successful Apollo moon landings. 




Lunar Puzzlers (Hot Science)
If you're standing on the moon and the Earth is directly overhead, how long will it take for our planet to reach the moon's horizon? Take a shot at this and other lunar brainteasers.

Last Man on the Moon
Gene Cernan, who left man's final footprint on the moon in 1972, describes what it was like to lift off from the launchpad, walk in space, spend three days exploring the lunar surface, and reenter the Earth's atmosphere.

Hear the Space Pioneers
Buzz Aldrin on that first-ever landing. Jim Lovell on the terror of Apollo 13. Listen to the compelling stories of these and other Apollo luminaries who got us to the moon.

Origins
The moon is not made of green cheese but of bits of the Earth blasted into outer space by a Mars-sized meteor, which struck our planet four and a half billion years ago. Or so says the leading theory of how the moon came to be.

Welcome to Mars

Take an astounding look at the red planet in this interplanetary adventure that picks up where Mars Dead or Alive left off. Mission Control and its two robotic explorers face a daunting task to find proof that liquid water, the essential ingredient of life, once existed on Mars. Welcome to Mars presents a compelling inside story of triumph and technical ingenuity, full of scientific and human drama, with stunning images from an alien world.



The Hawking Paradox (BBC)

Series exploring topical scientific issues examines Professor Stephen Hawking's most controversial theory and possibly his greatest mistake.

For thirty years the most famous scientist in the world defended an extraordinary idea, an idea some claimed would undermine the whole of science. It was called the information paradox and it led one opponent to dub Hawking 'the most stubborn man in the universe'. But finally Hawking had to admit that he'd been wrong all along. Now, as he nears the end of his extraordinary career, Hawking's scientific legacy is being called into question like never before.




For a year Horizon filmed behind the scenes with Hawking as he struggled to finish what many thought was going to be his last scientific paper. If he succeeded he would potentially end his career on a high, confirming his status as one of the great figures in physics. But the odds were against him, as his physical health continued to decline.

This is an extraordinary story of one man's defiance of disability and his peers. It is a story that ranges from the beginning of the universe, which Hawking explored, to the intensive care unit of Addenbrookes, where he was taken and was critically ill for three months. On his hospital bed he had an insight which he hoped would form the basis of his latest comeback

Time Travel : Can It Be Achieved?

Time travel is the concept of moving between different points in time in a manner analogous to moving between different points in space. Time travel could hypothetically involve moving backward in time to a moment earlier than the starting point, or forward to the future of that point without the need for the traveler to experience the intervening period (at least not at the normal rate). Any technological device � whether fictional or hypothetical � that would be used to achieve time travel is commonly known as a time machine. 

 

Nemesis: The Sun's Evil Twin - The Universe

Does the Sun have an evil twin named Nemesis, orbiting it and wreaking havoc on the planets at a million-year interval? This episode explores the possibility of the existence of Nemesis and its dangerous influence on other objects in the Solar System.

 

 
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