Documentarymania

Simply the Best Documentaries

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Enchanted Kingdom
Pink Floyd: P. U. L. S. E. Live at Earls Court (II)
The Normans: Men from the North
Ronaldo
WWII In 3D
Adaptation
The Birth of Rock
The Last Reef
Fascination Coral Reef
The Persistence of Memory
Why are We Here
Solving the Secrets
Canyonlands
The Secret World of Lewis Carroll
Jason and the Golden Fleece
Petra: Lost City of Stone
Vegan 2017 The Film
D-Day: As it Happens (1)
Did Darwin kill God
Corruption
The Mastery of Flight
JFK: To the Brink
Clash of the Gods:Thor
The Rise and Rise of Bitcoin
Land of Hope and Glory
Conquistadors: The Fall of the Aztecs
What the Health
Just Do It
Meet the Romans: All Roads Lead to Rome
The True Cost
Flight of the Butterflies
The Roof of the World
Addicted to Sexting
Africa the Greatest Show on Earth
The Turning Point
Ocean Predators

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The Trouble with Space Junk
The Trouble with Space Junk 2015

In 2014, the International Space Station had to move three times to avoid lethal chunks of space debris and there is an increasing problem of satellites mysteriously breaking down. With first-hand accounts from astronauts and experts, know the scale of the problem of space junk. Our planet is surrounded by hundreds of millions of pieces of junk moving at 17,000 miles per hour. Now the US government is investing a billion dollars to track them, and companies around the world are developing ways to clear up their mess - from robot arms to nets and harpoons. Learn the science behind the hit film Gravity and discovers the reality is far more worrying than the Hollywood fiction.

Category:Technology  Duration:59:00   

Project Greenglow The Quest for Gravity Control
Project Greenglow The Quest for Gravity Control 2016

For centuries, the precise workings of gravity have confounded the greatest scientific minds - from Newton to Faraday and Einstein - and the idea of controlling gravity has been seen as little more than a fanciful dream. Yet in the mid 1990s, UK defence manufacturer BAE Systems began a ground-breaking project code-named Greenglow. Nasa was simultaneously running its own Breakthrough Propulsion Physics Project". It was concerned with potential space applications of new physics, including concepts like 'faster-than-light travel' and 'warp drives'. Looking into the past and projecting into the future, Horizon explores science's long-standing obsession with the idea of gravity control. It looks at recent breakthroughs in the search for loopholes in conventional physics and examines how the groundwork carried out by Project Greenglow has helped change our understanding of the universe. Gravity control may sound like science fiction, but the research that began with Project Greenglow is very much ongoing, and the dream of flying cars and journeys to the stars no longer seems quite so distant.

Category:Science  Duration:59:00   

Conquest of the Skies The first to flight
Conquest of the Skies The first to flight 2015

David Attenborough embarks on an extraordinary journey to unravel one of nature s most gripping stories the evolution of flying animals. The power of flight is one of the greatest miracles of nature. Over one hundred billion creatures soar through the air today - from nectar-drinking hummingbirds, to armoured airborne beetles; from bats hunting in the black of night, to bizarre winged lizards. The film travels back in time to unravel the astonishing 300-million-year story of how these animals first appeared, and then evolved into the huge variety of aeronauts that fill our skies today. Only now, using the latest scientific analysis, can he reveal the hidden mechanics behind their gravity-defying skills. Ground-breaking 3D cameras, high speed filming and stunning CGI bring the viewer closer than ever to this astounding aerial world.

Category:Nature  Duration:51:54      Series: Conquest of the Skies

The Hawking Paradox
The Hawking Paradox 2005

Stephen Hawking is the most famous scientist on the planet. But behind the public face lies an argument that has been raging for almost 30 years. Has he been wrong for the last 30 years? Hawking shot to fame in the world of physics when he provided a mathematical proof for the Big Bang theory. This theory showed that the entire universe exploded from a singularity, an infinitely small point with infinite density and infinite gravity. Hawking was able to come to his proof using mathematical techniques that had been developed by Roger Penrose. These techniques were however developed to deal not with the beginning of the Universe but with black holes". Science had long predicted that if a sufficiently large star collapsed at the end of its life, all the matter left in the star would be crushed into an infinitely small point with infinite gravity and infinite density – a singularity. Hawking realised that the Universe was, in effect, a black hole in reverse. Instead of matter being crushed into a singularity, the Universe began when a singularity expanded to form everything we see around us today, from stars to planets to people. Hawking realised that to come to a complete understanding of the Universe he would have to unravel the mysteries of the black hole and its paradoxes

Category:Science  Duration:49:00   

 
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