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Category: quantum physics – Page 16
How AI & Quantum Computing Will Transform Zero Trust Cybersecurity
By Chuck Brooks, president of Brooks Consulting International and one of Executive Mosaic’s GovCon Experts
In Zero Trust cybersecurity protocols there is no implicit trust of identity or privilege – inside or outside the network perimeter, and every person, device, application and transaction must be continuously verified.
Zero Trust is a framework that is adaptive and it has to be in today’s digital ecosystem. Emerging technologies such as artificial intelligence and quantum computing are no longer merely enablers but core disruptors. They broaden attack surfaces, but also offer significant defenses, and call for a rethinking of Zero Trust systems.
The PROOF We’re In A Simulation Is Hiding In Plain Sight
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Welcome back to Impact Theory with Tom Bilyeu. In today’s episode, Tom Bilyeu dives deep into one of the most provocative questions facing science and philosophy: Do we really have free will, or are we all just highly sophisticated NPCs—non-player characters—running a program inside a vast, resource-efficient simulation? Drawing on groundbreaking neuroscience experiments, the story of Phineas Gage, quantum mechanics, and the work of leading thinkers like Robert Sapolsky, Tom Bilyeu challenges everything we think we know about choice, consciousness, and the true nature of reality.
But this isn’t an episode about nihilism. Instead, Tom Bilyeu reveals why embracing the truth of a stochastically deterministic universe can actually make life feel more meaningful, freeing us from the weight of the past and inspiring us to make the most of every moment—programmed or not. Get ready to question your assumptions and see the world from a whole new perspective.
00:00 — Intro.
01:38 — Part 1: It’s Biology All The Way Down.
14:22 — Part 2: Quantum Mechanics Bury the Notion of Free Will.
19:53 — Part 3: The Last Hiding Places of Free Will.
27:51 — Part 4: Why Being An NPC Is The Best News You’ll Ever Get.
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Matter may entangle with light far more easily near quantum critical points
Quantum entanglement is a state in which particles are entwined with each other. In this entwined state, the properties of one particle influence the other, even when they aren’t physically close to each other. This phenomenon has often been observed in small quantum systems with only a few particles in them, where researchers can use it to store and process quantum information. Rice University professor Qimiao Si is interested in understanding and applying quantum entanglement to macroscopic systems with vast numbers of particles.
In a paper recently published in Nature Communications, Si described a method that could lead to not only better understanding of quantum entanglement in quantum materials but also more ready usage of quantum entanglement in macroscopic systems. His theory posits this can be done by coupling quantum materials to quantum light.
“In this theory, by placing matter in a small mirrored cavity and pushing it towards what is called the quantum critical point, we can then introduce photons and induce quantum entanglement in the photon-matter hybrid,” said Si, the Harry C. and Olga K. Wiess Professor of Physics and Astronomy and director of the Extreme Quantum Materials Alliance.
Better math discriminates exotic from classical materials
The planar Hall effect is a tabletop diagnostic tool for special quantum properties useful in basic research and technological applications. Or so it was thought, because careful calculation by Kobe University researchers clarifies the conditions under which this effect may also appear in classical materials. This makes the diagnostic more meaningful and enables more purposeful design.
In the hunt for materials with properties that are useful for quantum computing or spintronics, researchers have used the “planar Hall effect” as a tabletop diagnostic tool: The researchers send a current through a thin, flat sample and observe whether an electric voltage is produced in response to a magnetic field in the same plane as the sample.
If it is, the pattern of how the voltage responds to rotating the magnetic field in the plane of the sample tells researchers about the properties of the material.
New experiment will try to coax virtual particles out of the vacuum
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My favourite physics paper of the week is a new idea for how to coax virtual particles out of the quantum vacuum and into revealing themselves.
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The quantum internet, explained
The quantum internet is a network of quantum computers that will someday send, compute, and receive information encoded in quantum states. The quantum internet will not replace the modern or “classical” internet; instead, it will provide new functionalities such as quantum cryptography and quantum cloud computing.
While the full implications of the quantum internet won’t be known for some time, several applications have been theorized and some, like quantum key distribution, are already in use.
It’s unclear when a full-scale global quantum internet will be deployed, but researchers estimate that interstate quantum networks will be established within the United States in the next 10 to 15 years.