Quantum technology news, decoded by the people building it.
A daily briefing on qubits, error correction and quantum networks — written for readers who want the result, the caveat and the number that matters.
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A quantum computer only works at fifteen millikelvin — colder than deep space. Everything above that temperature is engineering, funding and argument. That is the part we report on.
Read the briefingThe scale the field
actually operates at
−273.14 °C
Operating temperature of a superconducting quantum processor
~1 000
Physical qubits currently needed to protect a single logical qubit
10⁻³
Two-qubit gate error rate at the edge of today's best hardware
2ⁿ
Amplitudes a register of n qubits holds at once
Four words you need before the headlines make sense.
Qubit
The unit of quantum information. Fragile, noisy, and the reason every result comes with a caveat.
Logical qubit
An error-corrected qubit built from many physical ones. The number that actually matters.
Fidelity
How close an operation lands to the intended one. Two-qubit gates are where the pain is.
Decoherence
Quantum information leaking into the environment — hence the fridges and vacuum chambers.
The vocabulary is a moving target. Every briefing defines the terms it uses as it goes.
Questions we get a lot
Who writes the briefings?+
A small volunteer editorial desk of researchers and engineers, with sources credited in every story.
Do I need a physics background?+
No. Every briefing states the result in plain language first, then the caveat, then the number.
Is the Discord free?+
Yes. It is open, moderated, and the place where most of our stories start as a thread.
If you're studying this
Three places to start, whether you arrived from a university society or found us on your own.
The reporting starts in the Discord.
Paper-reading sessions, hardware channels, AMAs with researchers, and a jobs board. Every story we publish begins as a thread there.