NOVA The Fabric of the Cosmos: The Illusion of Time
It defines our lives, but what is time really? Have a look into its true nature. Details
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The Fabric of the Cosmos
Acclaimed physicist Brian Greene reveals a mind-boggling reality beneath the surface of ou...
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Putting Relativity to the Test
Nearly a century after Einstein published his general theory, experiments continue to conf...
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A Trip Through Spacetime
Join Albert Einstein on a high-speed cab ride to see why space and time are truly in the e...
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The Amazing Atomic Clock
What are atomic clocks? And why do we need them?
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