Quantum Computing
One builder learning quantum computing from the ground up, in public. The math, the code, and the unglamorous reality, one verified step after another.
Posts
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23:06 Quantum Computing I could not find a place to practise Qiskit, so I built one
Every Qiskit tutorial I found was written for a version that no longer runs. So I built twenty exercises that check your answer by inspecting the objects your code produces.
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00:24 Quantum Computing Entanglement, explained without the spooky
The Bell state in two lines of code, what correlated really means, and why none of it sends messages faster than light.
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19:04 Milestones Six defects in a verified n8n node for IBM Quantum
It passed n8n verification with green tests and 98 percent coverage. Then 121 seconds of real QPU time found what none of that could.
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12:45 Quantum Computing Quantum gates are just matrices you can run by hand
X, H, Z and the rotations: applying a gate is multiplying a matrix by a vector. Literally. Worked by hand, then checked in NumPy.
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22:08 Quantum Computing Active recall for hard technical subjects
Rereading feels like progress and barely works. The method that actually retains hard material, and why it feels worse while it works.