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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?
2/4 • The Fabric of the Cosmos • 2010 • Physics
The idea that there is a possibility of many worlds or multi universal theory is very new even though you may have learned about it in movies and comic books. Explore how this thinking was developed in the world of quantum mechanics and philosophy.
2019 • Physics
How studying the atom forced us to rethink the nature of reality itself.
The Heisenberg Uncertainty Principle states that you can never simultaneously know the exact position and the exact speed of an object.
Physicist Jim Al-Khalili routinely deals with the strangest subject in all of science - quantum physics, the astonishing and perplexing theory of sub-atomic particles. But now he's turning his attention to the world of nature. Can quantum mechanics explain the greatest mysteries in biology?
How harnessing the link between magnetism and electricity transformed the world.