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It seems that nobody on the planet is able to invent their own quantum computer.

• chasil 4y ago
  Actually, a 65-qubit quantum computer has been created. "IBM's current largest quantum computer, revealed this month, contains 65 qubits." https://www.science.org/content/article/ibm-promises-1000-qubit-quantum-computer-milestone-2023 https://www.science.org/content/article/ibm-promises-1000-qu...
  • brokensegue 4y ago
    I'm not an expert but I think because of the error correction mechanisms the effective number of quibits is smaller than that
    • _8091149529 4y ago
      No quantum computing platform today has meaningful error correction. What you can get, in some cases, is limited error detection based on the outcome of the question computation, if it's built into your specific algorithm.
  • sgt101 4y ago
    There is a big difference between a practical QC and the QC we have now. 65bits isn't practical for any known real problem but ask also how long it takes to boot it, how many cycles it can execute per run and how many runs it can do per day (or week). These thing are not like your laptop, they are more like particle accelerators.