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#qubit — Public Fediverse posts

Live and recent posts from across the Fediverse tagged #qubit, aggregated by home.social.

  1. Updated: I added the aha-chapter that I was missing.

    "Quantum computers try all possibilities in parallel" is the popular line — and it's dangerously misleading. A measurement collapses everything to one random answer, so "parallel" on its own is useless.

    The actual move: a quantum algorithm is ONE global linear transformation on a 2^n-amplitude vector, designed so wrong answers destructively cancel and the right one amplifies. Classical searches. Quantum shapes.

    Walkthrough with a Grover-style bar chart in four snapshots, plus the full pipeline: superconducting oscillator → Josephson junction → Bell state → amplitude amplification → Shor / Grover / simulation.

    🔗 ki-mathias.de/en/quantum-compu
    🎥 youtu.be/iMaqNfA0Gs0 (9:14, HD)
    📦 Qiskit notebooks: github.com/pmmathias/quantum-c

    #quantumcomputing #qiskit #qubit #interference #grover #blochsphere #physics #education

  2. Updated: I added the aha-chapter that I was missing.

    "Quantum computers try all possibilities in parallel" is the popular line — and it's dangerously misleading. A measurement collapses everything to one random answer, so "parallel" on its own is useless.

    The actual move: a quantum algorithm is ONE global linear transformation on a 2^n-amplitude vector, designed so wrong answers destructively cancel and the right one amplifies. Classical searches. Quantum shapes.

    Walkthrough with a Grover-style bar chart in four snapshots, plus the full pipeline: superconducting oscillator → Josephson junction → Bell state → amplitude amplification → Shor / Grover / simulation.

    🔗 ki-mathias.de/en/quantum-compu
    🎥 youtu.be/iMaqNfA0Gs0 (9:14, HD)
    📦 Qiskit notebooks: github.com/pmmathias/quantum-c

    #quantumcomputing #qiskit #qubit #interference #grover #blochsphere #physics #education

  3. Updated: I added the aha-chapter that I was missing.

    "Quantum computers try all possibilities in parallel" is the popular line — and it's dangerously misleading. A measurement collapses everything to one random answer, so "parallel" on its own is useless.

    The actual move: a quantum algorithm is ONE global linear transformation on a 2^n-amplitude vector, designed so wrong answers destructively cancel and the right one amplifies. Classical searches. Quantum shapes.

    Walkthrough with a Grover-style bar chart in four snapshots, plus the full pipeline: superconducting oscillator → Josephson junction → Bell state → amplitude amplification → Shor / Grover / simulation.

    🔗 ki-mathias.de/en/quantum-compu
    🎥 youtu.be/iMaqNfA0Gs0 (9:14, HD)
    📦 Qiskit notebooks: github.com/pmmathias/quantum-c

    #quantumcomputing #qiskit #qubit #interference #grover #blochsphere #physics #education

  4. Updated: I added the aha-chapter that I was missing.

    "Quantum computers try all possibilities in parallel" is the popular line — and it's dangerously misleading. A measurement collapses everything to one random answer, so "parallel" on its own is useless.

    The actual move: a quantum algorithm is ONE global linear transformation on a 2^n-amplitude vector, designed so wrong answers destructively cancel and the right one amplifies. Classical searches. Quantum shapes.

    Walkthrough with a Grover-style bar chart in four snapshots, plus the full pipeline: superconducting oscillator → Josephson junction → Bell state → amplitude amplification → Shor / Grover / simulation.

    🔗 ki-mathias.de/en/quantum-compu
    🎥 youtu.be/iMaqNfA0Gs0 (9:14, HD)
    📦 Qiskit notebooks: github.com/pmmathias/quantum-c

    #quantumcomputing #qiskit #qubit #interference #grover #blochsphere #physics #education

  5. Updated: I added the aha-chapter that I was missing.

    "Quantum computers try all possibilities in parallel" is the popular line — and it's dangerously misleading. A measurement collapses everything to one random answer, so "parallel" on its own is useless.

    The actual move: a quantum algorithm is ONE global linear transformation on a 2^n-amplitude vector, designed so wrong answers destructively cancel and the right one amplifies. Classical searches. Quantum shapes.

    Walkthrough with a Grover-style bar chart in four snapshots, plus the full pipeline: superconducting oscillator → Josephson junction → Bell state → amplitude amplification → Shor / Grover / simulation.

    🔗 ki-mathias.de/en/quantum-compu
    🎥 youtu.be/iMaqNfA0Gs0 (9:14, HD)
    📦 Qiskit notebooks: github.com/pmmathias/quantum-c

    #quantumcomputing #qiskit #qubit #interference #grover #blochsphere #physics #education

  6. "Wat is een quantumcomputer?"

    -> "Quantumcomputers maken gebruik van qubits. Deze kunnen niet alleen nul óf een zijn, maar ze kunnen zich ook in meerdere mogelijke toestanden tegelijkertijd bevinden. Daardoor kunnen quantumcomputers meerdere berekeningen tegelijk parallel aan elkaar uitvoeren"

    (Via #newscientist_NL ) #quantumcomputer #qubit
    newscientist.nl/blogs/wat-is-e

  7. "Wat is een quantumcomputer?"

    -> "Quantumcomputers maken gebruik van qubits. Deze kunnen niet alleen nul óf een zijn, maar ze kunnen zich ook in meerdere mogelijke toestanden tegelijkertijd bevinden. Daardoor kunnen quantumcomputers meerdere berekeningen tegelijk parallel aan elkaar uitvoeren"

    (Via #newscientist_NL ) #quantumcomputer #qubit
    newscientist.nl/blogs/wat-is-e

  8. "Wat is een quantumcomputer?"

    -> "Quantumcomputers maken gebruik van qubits. Deze kunnen niet alleen nul óf een zijn, maar ze kunnen zich ook in meerdere mogelijke toestanden tegelijkertijd bevinden. Daardoor kunnen quantumcomputers meerdere berekeningen tegelijk parallel aan elkaar uitvoeren"

    (Via #newscientist_NL ) #quantumcomputer #qubit
    newscientist.nl/blogs/wat-is-e

  9. "Wat is een quantumcomputer?"

    -> "Quantumcomputers maken gebruik van qubits. Deze kunnen niet alleen nul óf een zijn, maar ze kunnen zich ook in meerdere mogelijke toestanden tegelijkertijd bevinden. Daardoor kunnen quantumcomputers meerdere berekeningen tegelijk parallel aan elkaar uitvoeren"

    (Via #newscientist_NL ) #quantumcomputer #qubit
    newscientist.nl/blogs/wat-is-e

  10. "Wat is een quantumcomputer?"

    -> "Quantumcomputers maken gebruik van qubits. Deze kunnen niet alleen nul óf een zijn, maar ze kunnen zich ook in meerdere mogelijke toestanden tegelijkertijd bevinden. Daardoor kunnen quantumcomputers meerdere berekeningen tegelijk parallel aan elkaar uitvoeren"

    (Via #newscientist_NL ) #quantumcomputer #qubit
    newscientist.nl/blogs/wat-is-e

  11. 25 Years of Linux Magazine: Continuing our look back at our most popular articles, check out this introduction to quantum computing from the December 2022 issue
    linux-magazine.com/Issues/2022