Today I'm doing a reaction to Devs, a show on Hulu/FX about a quantum computing company! Here I managed to talk about quantum cryptography, quantum computing hardware, free will, Shor's algorithm, Quantum Fourier transform, the Big Bell test, local realism, and so many other cool topics. If you're interested in a deeper dive, let me know!

Definitely need to do a deep dive on Shor's and get more into Quantum Fourier Transform soon :)

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0:00 Let's watch Devs!
0:28 RSA/ECC cryptography
2:37 Whiteboard Analysis
3:02 Qubit Counts
3:33 Can quantum computers predict the future?
5:18 Multiverse theory
7:12 More Whiteboard Analysis
7:58 Quantum Applications
8:42 Faraday Shields
9:55 Quantum Cell Phones
11:13 Quantum Computing Hardware
12:45 The Code - Quantum Fourier Transform and T1T2 Coherece
14:53 Free Will, Local Realism and Bell Test
18:03 Superdeterminism
20:30 Encryption
21:15 What I think
21:55 Quarky Clips

How to factor 2048 bit RSA integers in 8 hours using 20 million noisy qubits: https://arxiv.org/abs/1905.09749

Losing the Nobel Prize Book: https://amzn.to/37FJL4L

Challenging local realism with human choices: https://www.nature.com/articles/s4158...

One of my favorite philosophy courses on Coursera, specifically for physical sciences: https://click.linksynergy.com/link?id...

Khan Academy tensors:    • Introduction to Tensors  

UHV image credit: https://www.helmholtz-berlin.de/forsc...

Some of the topics I cover:

Can a quantum computer know the future?

A quantum computer cannot predict events, but it can simulate events with some probability.

However, a quantum computer can always be simulated by a classical computer, and vice versa. This means that a quantum computer will never be able to solve a problem that a classical computer can't solve.

It can solve just some problems faster. Quantum computers have speedups for a certain set of algorithms that has applications in AI, encryption, machine learning, biotech, and a lot of other industries!

Multiverse:

The many-worlds interpretation implies that there are very many universes, perhaps infinitely many. When a quantum state collapses into 0 or 1, the universe splits into the other outcome, and we continue along one path. But the other path is in a different universe. So, every quantum outcome results in a different universe.

A lot of time has been spent closing loopholes in the Bell Tests, which aims to test whether quantum entanglement theory is correct. Or local realism. Local realism states that hidden variables actually explain the entanglement interactions.

The Big Bell Test, with over 100,000 volunteers, was the largest known experiment done to close the freedom of choice loophole.

Superdeterminism:

In quantum mechanics, superdeterminists still can say there is a freedom of choice loophole in the universe, meaning that before the universe was even created, there is a theory consistent with no free will. Unfortunately, it can't be proven, much like string theory or loop quantum gravity.

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#quantumcomputing #devsfx #scientistreacts