Author: Milovan Janicijevic
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๐ฆ TWO SPARROWS ON A HOT ASPHALT: When Empathy Becomes a Bridge Between Worlds
It was a hot, sultry day. I was driving home from work. Near my house, in the middle of the road, I spotted two sparrows. I saw them in time to avoid running them over โ I slowed down. One was lying on its back, motionless. The other stood beside it, as if trying to…
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๐ป๐๐จย Ghosts Above the Dirac Sea: Turok’s Quadratic Gravity and the Return of Negative Norms
Dear explorers, We have just completed our longest and perhaps most dangerous voyage โ through Susskind’s lectures on the immensity of Hilbert space, black holes, and firewalls. And then, as if by some strange coincidence, a new lighthouse appeared on the horizon. As if the Dirac Sea had decided to reward us for our courage.…
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๐ง ๐ป๐ณ๏ธย The Immense Sea: Susskind’s Lectures on Complexity, Black Holes, and the Dirac Sea
Dear explorers, We calibrated our navigational instruments through Quantum Bayesianism and reminded ourselves of intellectual humility. Now it is time to return to the very heart of the Dirac Sea โ to where it is immense. Not just poetically immense. Mathematically immense. Immense in a way that defies intuition and opens the door to understanding why…
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๐ง ๐ฒ๐ย Quantum Bayesianism (QBism): The Dirac Sea as a Web of Beliefs
Dear explorers, In our previous voyages we dove into the tensorial fabric of the Dirac Sea and discovered why the whole is always more than the sum of its parts. Today we sail toward one of the boldest interpretations of quantum mechanics โ toward Quantum Bayesianism (QBism), whose leading proponent and founder is Christopher Fuchs. This is no…
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๐งฎ๐๐ย The Tensorial Sea: Why the Dirac Sea Is Richer Than the Classical World
Dear explorers, In our previous voyage, through Wojciech Zurek’s Quantum Darwinism, we touched upon one of the deepest properties of quantum reality โ the difference between classical and quantum composite systems. This post is for those who wish to dive deeper, to the very mathematical fabric of the Dirac Sea. Here we shall use Dirac…
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๐งฌ๐๐ย Quantum Darwinism: How Objective Reality Emerges from the Dirac Sea
Dear explorers, In our previous voyages we encountered the most mysterious properties of the Dirac Sea. We saw that at its bottom time knows no direction, that negative frequencies become antiparticles, and that consciousness, according to Penrose, perhaps plays a role in breaking the symmetry of the block universe. We also saw how Jung and…
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๐ง โ๏ธ๐ชย Two Minds, One Sea: Jung, Pauli, and Synchronicity on the Horizon of the Dirac Sea
Dear explorers, In our previous voyages we dove into negative frequencies and discovered that at the bottom of the Dirac Sea, time knows no direction. Today we sail even deeper โ into waters where physics meets not only mathematics, but the psyche itself. Our course leads toward one of the most fascinating intellectual collaborations of…
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โณ๐๐ชย Negative Frequencies and Waves That Move Backward: Time, Antiparticles, and the Dirac Sea
Dear explorers, In the previous post we sailed through the Andromeda paradox and discovered that already in special relativity, “now” is not absolute โ that a walk toward a distant galaxy shifts “now” in that galaxy by eight days. But now we must dive even deeper. For there is an even more hidden property of…
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๐ถโโ๏ธ๐โณย The Walk Toward Andromeda: Penrose’s Paradox, the Block Universe, and the Sea That Does Not Rest
Dear explorers, Imagine two people on Earth. One begins a brisk walk toward the Andromeda Galaxy. The other, at the same speed, in the opposite direction โ toward a part of the sky familiar to us, but farther from Andromeda. Their relative speed is barely 2.68 metres per second โ a brisk walking pace. Entirely…
