Mind Matters Natural and Artificial Intelligence News and Analysis


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Can the Future Reach Back and Affect the Past?

Researchers say that only elementary particles can really time travel but there is another way…

If the future influenced the past, that would be retrocausality. As Victor Bhaura puts it, Retrocausality means that, when an experimenter chooses the measurement setting with which to measure a particle, that decision can influence the properties of that particle (or another one) in the past, even before the experimenter made their choice. In other words, a decision made in the present can influence something in the past. Victor Bhaura, “Retrocausality — Future Influences Past Information Before Occurrence Of An Event” at Medium (June 8, 2022) Bhaura reminds us of a limerick called “Relativity” from 1923: There was a young lady named BrightWhose speed was far faster than light;She set out one dayIn a relative wayAnd returned on the previous…

Choosing the High Road or Low Road

Freebits: An Interesting Argument From the Big Bang for Free Will

There are two types of uncertainty, we learn, only one of which could create free will

Caleb Scharf (pictured), author of The Ascent of Information (2021), offers an excerpt at Nautilus that introduces two new terms, the “dataome” and “freebits.” The dataome is all the ways human beings create information, from cave paintings to cloud servers. He asks, “Was all of this really inevitable? Did we ever have a choice in creating a dataome or doing any of the things we do, and does any self-aware entity in the universe have a choice either?” Relying on theoretical computer scientist Scott Aaronson’s 2013 essay, “The Ghost in the Quantum Turing Machine,” he asks us to consider that there are two types of uncertainty, only one of which could create choice. Typical “randomness” actually follows statistical laws, a…

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Texture background abstract black and white or silver Glitter and elegant for Christmas

Researchers Make a Trillion Aluminum Atoms Behave as Single Wave

Such demonstrations show that quantum computers, which could solve much bigger problems much faster, are viable

Just recently, researchers managed to “entangle” two very tiny aluminum drums as if they were merely quantum particles — a first that helps pave the way for quantum computing. But it’s an unsettling first because the world above the level of the electron (macroscopic world) is supposed to behave according to Newton’s classical physics rules, not weird quantum rules under which two entangled particles sync no matter how far apart they are (non-locality). Like conductors of a spooky symphony, researchers have ‘entangled’ two small mechanical drums and precisely measured their linked quantum properties. Entangled pairs like this might someday perform computations and transmit data in large-scale quantum networks. National Institute of Standards and Technology (NIST), “Quantum drum duet measured” at…

Colorful quantum world fractal

“Spooky Action at a Distance” Makes Sense—in the Quantum World

Einstein never liked quantum mechanics but each transistor in your cell phone is a quantum device

In last week’s podcast, “Enrique Blair on quantum computing,” Walter Bradley Center director Robert J. Marks talks with fellow computer engineer Enrique Blair about why quantum mechanics is so strange. The discussion turned to why Albert Einstein, a brilliant but orderly mathematical thinker, did not really like quantum mechanics at all and what we should learn from that: https://episodes.castos.com/mindmatters/Mind-Matters-110-Enrique-Blair.mp3 The discussion of Einstein and “spooky action at a distance” (his way of describing quantum particles’ behavior) starts at approximately 27:45. The Show Notes and transcript follow. Excerpts from the transcript: Robert J. Marks: Albert Einstein didn’t like quantum mechanics or certain aspects of quantum mechanics. Dd he die thinking that quantum mechanics was a fluke? Enrique Blair (pictured): That’s an…

Quantum Wave

Bingecast: Enrique Blair on Quantum Computing

What is quantum mechanics? What can quantum computers do that classical computers can’t? Has Google achieved quantum supremacy? Robert J. Marks discusses the weird world of quantum mechanics with Dr. Enrique Blair. Show Notes 00:54 | Introducing Dr. Enrique Blair, a professor of electrical and computer engineering at Baylor University 03:08 | The history of quantum mechanics 13:16 | Quantum…

Schrodinger's cat

Does Schrödinger’s Cat Think Quantum Computing Is a Sure Thing?

It might lead to more security, though not to thinking computers

Some hope that a move to quantum computing—qubits instead of bits, analog instead of digital—will work wonders, including the invention of the true thinking computer. In last week’s podcast, futurist George Gilder and computer engineer Robert J. Marks looked at, among other things, what’s really happening with quantum computing: https://episodes.castos.com/mindmatters/Mind-Matters-108-George-Gilder.mp3 (The quantum computing discussion begins at 15:04.) Robert J. Marks: What’s your take on quantum computing? It seems to me that there’s been glacial progress in the technology. George Gilder (pictured): I think quantum computing is rather like AI, in that it moves the actual problem outside the computational process and gives the illusion that it solved the problem, but it’s really just pushed the problem out. Quantum computing is…


Enrique Blair on the Future of Quantum Computing

Google has claimed quantum supremacy. What does that mean? What is the future of quantum computing? Robert J. Marks discusses quantum communication, supremacy, and computing with Dr. Enrique Blair. Show Notes 00:49 | Introducing Dr. Enrique Blair, a professor of electrical and computer engineering at Baylor University 01:14 | Problems with quantum computing 01:54 | What is quantum supremacy? 03:06…

Photo by Daud Balling

Quantum Dots, Bits, and Computing: Oh My!

On the road to quantum computing, you’ll become entangled with the wildest entities. Will we ever make it to a land where quantum computing is available for everyone? Robert J. Marks continues his odyssey through the quantum world with electrical and computer engineer Dr. Enrique Blair. Show Notes 00:33 | Introducing Dr. Enrique Blair, a professor of electrical and computer…