Tag: quantum

All the articles with the tag "quantum".

• Grover's algorithm, explained with a phone book

  Published:Apr 25, 2026 |  at 09:10 PM

  How Grover's algorithm finds a needle in an unsorted list in about sqrt(N) steps, with a 4-item worked example, Qiskit code, and what it means for AES.

• A qubit is not "0 and 1 at the same time"

  Published:Apr 11, 2026 |  at 09:15 PM

  The usual one-line explanation of a qubit gets the most important part wrong. Here is the version that actually helps, built on amplitudes and interference.