Quantum computers aren’t the next generation of supercomputers—they’re something else entirely. Before we can even begin to talk about their potential applications, we need to understand the fundamental physics that drives the theory of quantum computing. (Featuring Scott Aaronson, John Preskill, and Dorit Aharonov.)

For more, read “Why Quantum Computers Are So Hard to Explain”:

– VISIT our Website:
– LIKE us on Facebook:
– FOLLOW us Twitter:

Quanta Magazine is an editorially independent publication supported by the Simons Foundation

#quantumphysics #computerscience #quantumcomputer

source

div style="text-align: center;">
43 thoughts on “Quantum Computers, Explained With Quantum Physics”
  1. If brain works in the quantum state as it’s hypothesized, this could be used for brain modeling and diagnosing and potentially treating illnesses and disorders like Autism, mental illness and other complex diseases.

  2. We are most likely in
    A simulation where our
    True purpose is to discover
    How long it takes us to
    Figure out how to quantum
    Computing and this simulation
    Is taking place in a quantum
    Computer and our experience
    Of the last few thousand
    Years of evolution only
    Took a few minutes in
    quantum time.
    Maybe the real quantum computing is the investments
    We made along the way.

  3. thank you for this detailed explanation, i have watched many videos alot of them dont talk about amplitudes and they dont talk about how to get the correct response if a qubit can be at any state when measured …, but you did ❤

  4. I feel like the concluding words are a very possible future for it as well. I liked how both of them did not speak about something exciting that would make someone incredibly rich soon. And look how long we had people play with quantum computers. They are still in research phase.

  5. It's cool and all but it's old technology and the obvious advantage is not being utilized, and seemingly going unexplored. Also a quantum computer cannot be programmed by a regular computer, that's not how quantum metaphysics function. I have multiple solutions, but lack the resources that are being wasted by simpletons. M-Theory is completely ignored, f theory is confusing everyone. The solution is a forgotten realm. Billions will be wasted until the path is changed. The current concept of a quantum computer is an over complicated microscope, even just observing/recording quarks in their perpetual superposition would be more efficient. Yes, quarks are in a superposition, I could write a library of evidence and explanations. If you can wrap your head around that then extrapolate and that's how a real quantical computation would be represented. Does the existence of quarks not make it obvious that our fundamental understanding of scale is incomprehensible.

  6. Eventually, given the trillions of calculations, someone using a QC will obtain the keys to all crypto (BTC) that have been lost or lying dormant.

  7. Just a random question. What is then the point of Quantum Computing, if you have to write the algorithm of the probability answer at front of the Quantum Physics math.

    Doesn't make sense at all!!

  8. So let's see if I have a rudimentary understanding: a qubit has multiple states and its state is only known when observed and if it exists next to another qubit, it is entangled with that bit. SO, because they can't be directly observed, an algorithm has to be created, meaning that a desired value is being sought out, not the actual states of those bits to harness all of them?

    and if the qubits can't be directly viewed/measured, only by an algorithm, is it possible to have a new result with multiple iterations of the algorithm? If not, wouldn't that mean that the "observed" qubits actually have a fixed state, not a fluid one as posited? If they do have changing states, then how reliable is an algorithm in order to do mathematical equations if values are changing constantly?

  9. D-Wave's quantum computing, based on quantum annealing, has proven to be a commercially mature and scalable technology, ideal for solving specific optimization and simulation problems with immediate practical applications in sectors like logistics and finance. Unlike universal quantum computers in development, such as those by IBM and Google, which promise broader versatility in the long term, D-Wave focuses on a concrete niche where it already delivers real value. While limited in scope, its accessibility and usability make it a practical choice for companies looking to harness the benefits of quantum computing today.

  10. At 30 seconds in the word theory is mentioned. Is a theory fact? No! – Facts and theories are two different things. In the scientific method, there is a clear distinction between facts, which can be observed and/or measured, and theories, which are scientists' explanations and interpretations of the facts.

  11. Quantum computers are not possible because the outcome is always random. In order to be applicable to computers the outcome must always have a predictable outcome in order to be useful to modern day science.

Leave a Reply

Your email address will not be published. Required fields are marked *