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Exploring quantum computing, algorithms, and the reality behind the hype

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Paul Dirac
Richard Feynman

Simon's Algorithm: The Theoretically Important Algorithm With Zero Practical Use

December 09, 2025

Simon's algorithm proved quantum computers could achieve exponential speedup, but despite its theoretical importance, it has no known practical applications. Here's why.

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Simon's Algorithm Quantum Computing Theoretical Computer Science Hidden Subgroup Problem

The Measurement Cost Explosion of VQE: Why Variational Quantum Algorithms Hit a Wall

December 01, 2025

Exploring how the exponential scaling of measurement requirements transforms VQE from quantum advantage into quantum disadvantage.

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VQE Variational Quantum Eigensolver Quantum Chemistry Measurement Quantum Computing

Shor's Algorithm: Brilliant Math, Brutal Physics – Why It's Still Impractical

November 25, 2025

Exploring why Shor's factoring algorithm, despite being theoretically sound, faces insurmountable physical challenges that keep it decades away from practical use.

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Shor's Algorithm Quantum Computing Cryptography RSA

Grover's Algorithm: The Oracle Trap

November 20, 2025

Exploring the hidden complexity behind Grover's algorithm and why the oracle is both its power and its Achilles heel.

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Grover's Algorithm Quantum Computing Oracle

The Oracle: Hero or Hidden Villain?

November 15, 2025

A critical examination of whether the oracle component helps or hinders quantum computing's practical potential.

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Oracle Quantum Computing Analysis

Grover's Algorithm: The Dream

November 10, 2025

Understanding the original promise of Grover's algorithm and why it captured the imagination of quantum computing researchers.

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Grover's Algorithm Quantum Computing Search

Enter the Oracle – The Black Box

November 05, 2025

A deep dive into what the oracle actually is and why treating it as a simple black box masks fundamental challenges.

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Oracle Quantum Computing Black Box
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About

A technical blog examining quantum computing's reality beyond the hype. We explore algorithm limitations, implementation challenges, and the practical barriers between theoretical quantum advantage and real-world applications.

Recent Posts

  1. Simon's Algorithm: The Theoretically Important Algorithm With Zero Practical Use
  2. The Measurement Cost Explosion of VQE: Why Variational Quantum Algorithms Hit a Wall
  3. Shor's Algorithm: Brilliant Math, Brutal Physics – Why It's Still Impractical
  4. Grover's Algorithm: The Oracle Trap
  5. The Oracle: Hero or Hidden Villain?

Browse by Tags

Quantum Computing (11) Oracle (4) Shor's Algorithm (3) Cryptography (3) Grover's Algorithm (3) Analysis (3) VQE (1) Variational Quantum Eigensolver (1) Quantum Chemistry (1) Measurement (1)
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