From Forces to Fields

From Forces to Fields
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The Strangest Force
Begin your exploration of gravity with Isaac Newton and the famous story of the apple. Why was it such a breakthrough to connect a falling apple with the faraway moon? Review the essential characteristics of gravity and learn why small asteroids and large planets have such different shapes.
The Force of Creation
Use a black hole to test the laws of thermodynamics, taking a deeper look at the capacity of gravity to pull matter together and increase entropy at the same time. Probe Stephen Hawking's most surprising discovery, and then learn that the same force that pulls the apple down and steers…
The Hubble Ultra Deep Field
Episode 11 of Experiencing Hubble
Completing your tour of 10 remarkable Hubble images, plunge into the Hubble Ultra Deep Field, the deepest optical image of the cosmos made to date. This extraordinary view shows 10,000 galaxies extending far beyond the Milky Way and back to the epoch of galaxy formation.
Star Catalogs from around the World
The genius of Greek astronomy is epitomized by the star catalogs of Hipparchus and Ptolemy. Professor Schaefer recounts his exciting discovery of a star chart apparently influenced by Hipparchus's lost catalog. Close by comparing Greek star catalogs with those of China and the Arab world.
The Amazing World of Aviation
From Alpha to Zulu this series takes viewers back to the beginning of flight up through its entire history as an amazing growing industry up to modern-day plans to thrust commercial aviation travel into space. Produced by Switch International.
The Beginnings of Flight
Part of the Series: The Amazing World of Aviation
From the exhilarating and perilous days of early flight, to the present, where travel on commercial flights all over the world is as common as travel by motorcar, this program looks at the beginnings of flight, with innovators such as Benjamin Franklin and Leonardo DaVinci coming up with new ways…
The First Decades of Aviation
Part of the Series: The Amazing World of Aviation
The first decades of aviation brought both triumph and tragedy. To fly an early airplane required skill, courage and daring. A new breed of adventurers looked to the heavens for their challenges, and thrilled audiences around the world. The advent of the movie camera meant that their exploits could be…
Aeronautical Technology Takes Off
Part of the Series: The Amazing World of Aviation
The decades following the First World War saw aircraft designers pushing the boundaries of aeronautical technology, moving the industry forward at a rapid pace. With new commercial markets opening up, it was the visionaries who held the key to success. Each invention promising a future filled with endless possibilities. Airplane…
Aviation Goes Commercial
Part of the Series: The Amazing World of Aviation
In 1951, a whimsical animation encouraged Americans to appreciate the joys of flight. The years following the First World War saw flying take off as business. Previously unimagined opportunities opened up, among them, skywriting and sightseeing tours. Flying became a bigger feature of life all around the world, not just…
Seaplanes Cross the Oceans
Part of the Series: The Amazing World of Aviation
The very first airplanes were purely land-based. It soon became apparent that planes would need to be able to fly over water in order to transport passengers and cargo effectively. On 28th March 1910, Henri Fabre became the first person to successfully pilot a seaplane over water. Seaplane development went…
The History of the Jet Age
Part of the Series: The Amazing World of Aviation
In 1966, British aviation expert Sir Frank Whittle was honored for his services to the aviation industry. Twenty-five years earlier, the aeronautical engineer had invented the jet engine, and ushered in a new era of air travel. On May the 15th, 1941, the first experimental flight using Whittle's engine took…
The Jet Age Takes Off
Part of the Series: The Amazing World of Aviation
The year 1950 was a pivotal year for innovations in air travel, marking the start of the Jet Age after the invention of the jet engine by Frank Whittle some nine years earlier. Airlines began to spring up everywhere, catering to the demands of passengers wanting to go just about…