Julian Barbour: The Physicist Who Says Time Does Not Exist
Theories of Everything with Curt Jaimungal
Curt Jaimungal
4.6 • 606 Ratings
🗓️ 16 November 2024
⏱️ 115 minutes
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| 0:27.7 | We are challenging the belief which is now held for 170 years, that the only way to explain our sense of the direction of time, the |
| 0:39.8 | arrow of time, is that entropy is increasing, that disorder is increasing. But we're finding |
| 0:46.4 | strong evidence in Newton's theory that it's the exact opposite. Very, very few people working |
| 0:52.0 | in cosmology know about this. |
| 1:00.0 | For over 50 years, working from a farmhouse north of Oxford, |
| 1:06.2 | Julian Barber has been quietly developing a revolutionary theory that upends conventional physics. |
| 1:09.3 | Time itself may be an illusion. |
| 1:21.8 | While the academy raced down the path of quantum gravity and string theory, this physicist, who funded his research by translating Russian scientific journals, was busy tinkering with another model of the universe. What if what we call time is nothing more than the way that we interpret changing shapes. |
| 1:28.5 | Time is just the shape of the universe. |
| 1:31.5 | It's utterly impossible to measure the changes of things by time. |
| 1:35.7 | Quite the contrary, time is an abstraction that we deduce from change. |
| 1:41.6 | His theory, shape dynamics, suggests that the universe isn't evolving through time at all. |
| 1:48.0 | Instead, what we perceive of as the flow of time is the difference between static configurations |
| 1:54.2 | of the cosmos, like frames in a film strip. |
| 1:57.9 | Even more surprising, his mathematical models predict that rather than descending |
| 2:02.8 | into chaos, as our mainstream physics suggests, the universe is actually becoming more |
| 2:07.9 | ordered and complex, directly challenging the sacred second law of thermodynamics that even |
| 2:13.9 | Einstein himself believed would never be overthrown. The exact opposite of the second law of thermodynamics, |
| 2:22.2 | which says that the universe goes from being ordered to being uniform and uninteresting, |
| 2:27.9 | and we've got exactly the opposite behavior coming out of Newton. |
... |
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