Quantum error correction: building reliable qubits from fragile ones
Why you cannot simply copy a qubit, how stabilizer measurements detect errors without looking at the data, and why the surface code is such a hopeful idea.
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What actually happens when you type a web address
From name lookup to encrypted handshake to the first painted pixel: a guided tour of the journey a single web address sets in motion.
Passphrases: the friendliest upgrade your accounts will ever get
Long, memorable passphrases plus a password manager and a second sign-in step turn account security from a chore into a quiet superpower.
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