HN Atlas
← All topics

Quantum computing

Quantum hardware, qubits, error correction, algorithms, and commercialization.

6,538 stories · 66 in 30 days · Updated Sep 28, 2026

The pace of conversation

Posts per month

2020-01: 92 posts2020-02: 80 posts2020-03: 82 posts2020-04: 67 posts2020-05: 99 posts2020-06: 103 posts2020-07: 100 posts2020-08: 105 posts2020-09: 96 posts2020-10: 81 posts2020-11: 51 posts2020-12: 118 posts2021-01: 61 posts2021-02: 78 posts2021-03: 93 posts2021-04: 72 posts2021-05: 66 posts2021-06: 70 posts2021-07: 95 posts2021-08: 59 posts2021-09: 48 posts2021-10: 82 posts2021-11: 80 posts2021-12: 80 posts2022-01: 76 posts2022-02: 94 posts2022-03: 75 posts2022-04: 55 posts2022-05: 72 posts2022-06: 83 posts2022-07: 114 posts2022-08: 76 posts2022-09: 65 posts2022-10: 66 posts2022-11: 102 posts2022-12: 72 posts2023-01: 72 posts2023-02: 72 posts2023-03: 56 posts2023-04: 58 posts2023-05: 70 posts2023-06: 88 posts2023-07: 58 posts2023-08: 101 posts2023-09: 62 posts2023-10: 74 posts2023-11: 50 posts2023-12: 100 posts2024-01: 65 posts2024-02: 85 posts2024-03: 77 posts2024-04: 92 posts2024-05: 71 posts2024-06: 57 posts2024-07: 51 posts2024-08: 89 posts2024-09: 64 posts2024-10: 88 posts2024-11: 79 posts2024-12: 99 posts2025-01: 67 posts2025-02: 116 posts2025-03: 110 posts2025-04: 87 posts2025-05: 100 posts2025-06: 93 posts2025-07: 91 posts2025-08: 84 posts2025-09: 101 posts2025-10: 94 posts2025-11: 119 posts2025-12: 62 posts2026-01: 62 posts2026-02: 61 posts2026-03: 94 posts2026-04: 113 posts2026-05: 79 posts2026-06: 83 posts2026-07: 92 posts2026-08: 83 posts2026-09: 61 posts
2020-012026-09

Posts per month · first and latest months may be partial.

01 / EXPLORE THROUGH TIME

Timeline

Start with the latest. Scroll back through time, or zoom in for more.

Year by yearUp to 5 stories per year
2026728 stories
Replace IBM Quantum back end with /dev/urandom↗ github.com · HN · 50 comments · 383 points · Apr 25, 2026
Quantum Computers Are Not a Threat to 128-Bit Symmetric Keys↗ words.filippo.io · HN · 109 comments · 307 points · Apr 20, 2026
Cloudflare targets 2029 for full post-quantum security↗ blog.cloudflare.com · HN · 112 comments · 386 points · Apr 07, 2026
A cryptography engineer's perspective on quantum computing timelines↗ words.filippo.io · HN · 248 comments · 551 points · Apr 06, 2026
Quantization from the Ground Up↗ ngrok.com · HN · 59 comments · 351 points · Mar 25, 2026
20251,124 stories
Willow quantum chip demonstrates verifiable quantum advantage on hardware↗ blog.google · HN · 258 comments · 480 points · Oct 22, 2025
Why haven't quantum computers factored 21 yet?↗ algassert.com · HN · 197 comments · 340 points · Aug 31, 2025
CERN scientists find evidence of quantum entanglement in sheep↗ home.cern · HN · 107 comments · 338 points · Apr 01, 2025
FAQ on Microsoft's topological qubit thing↗ scottaaronson.blog · HN · 69 comments · 328 points · Feb 20, 2025
Microsoft unveils Majorana 1 quantum processor↗ azure.microsoft.com · HN · 188 comments · 458 points · Feb 19, 2025
2024917 stories
Willow, Our Quantum Chip↗ blog.google · HN · 528 comments · 1410 points · Dec 09, 2024
London Underground hosts tests for 'quantum compass' that could replace GPS↗ theguardian.com · HN · 134 comments · 198 points · Jun 15, 2024
Google Quantum AI↗ quantumai.google · HN · 194 comments · 187 points · Apr 28, 2024
Quantum Algorithms for Lattice Problems↗ eprint.iacr.org · HN · 124 comments · 233 points · Apr 11, 2024
Google's threat model for post-quantum cryptography↗ bughunters.google.com · HN · 73 comments · 255 points · Mar 11, 2024
2023861 stories
Ask HN: What has quantum computing achieved so far?↗ news.ycombinator.com · HN · 122 comments · 164 points · Dec 31, 2023
Quantum Computer Music↗ ctm-festival.de · HN · 16 comments · 49 points · Dec 24, 2023
Quantum computing's reality check↗ spectrum.ieee.org · HN · 129 comments · 177 points · Dec 23, 2023
Making Atoms as Malleable as Bits↗ flux.ai · HN · 1 comments · 14 points · Aug 17, 2023
Google claims breakthrough in quantum computer error correction↗ ft.com · HN · 15 comments · 38 points · Feb 22, 2023
2022950 stories
Quantum winter is coming↗ backreaction.blogspot.com · HN · 273 comments · 297 points · Nov 05, 2022
“Quantum-Safe” Crypto Hacked by 10-Year-Old PC↗ spectrum.ieee.org · HN · 176 comments · 370 points · Aug 19, 2022
NIST announces first PQC algoritms to be standardized↗ groups.google.com · HN · 127 comments · 182 points · Jul 05, 2022
Fastest-ever logic gates could make computers a million times faster↗ newatlas.com · HN · 104 comments · 230 points · May 12, 2022
Euler’s 243-Year-Old ‘Impossible’ Puzzle Gets a Quantum Solution↗ quantamagazine.org · HN · 99 comments · 231 points · Jan 11, 2022
2021884 stories
IBM unveils 127-qubit quantum processor↗ newsroom.ibm.com · HN · 313 comments · 319 points · Nov 16, 2021
Factoring 2048 RSA integers in 177 days with 13436 qubits and a multimode memory↗ arxiv.org · HN · 144 comments · 240 points · Mar 23, 2021
Microsoft’s big win in quantum computing was an ‘error’ after all↗ wired.com · HN · 48 comments · 161 points · Feb 15, 2021
New quantum receiver the first to detect entire radio frequency spectrum↗ phys.org · HN · 74 comments · 184 points · Feb 05, 2021
Superintelligence cannot be contained: Lessons from Computability Theory↗ arxiv.org · HN · 222 comments · 157 points · Jan 11, 2021
20201,074 stories
Claude Shannon Invented the Future↗ quantamagazine.org · HN · 68 comments · 259 points · Dec 22, 2020
CERN Online introductory lectures on quantum computing from 6 November↗ home.cern · HN · 36 comments · 277 points · Nov 05, 2020
IBM completes successful field trials on Fully Homomorphic Encryption↗ arstechnica.com · HN · 165 comments · 247 points · Jul 31, 2020
Build a toy quantum computer at home↗ dhruvonmath.com · HN · 39 comments · 245 points · Jul 22, 2020
A free introduction to quantum computing and quantum mechanics↗ quantum.country · HN · 49 comments · 257 points · Jun 18, 2020
Scroll through time ↕

02 / CATCH UP

The conversation now

Popular stories, with attention fading over roughly two weeks.

Benchmarking Qwen3.8 27B quantizations: 4-bit holds up, 1-bit collapses↗ quesma.com · HN · 139 comments · 286 points · Sep 08, 2026
The Coming War on General Computation (2011)↗ en.wikisource.org · HN · 45 comments · 121 points · Sep 13, 2026
How GPT‑5.6 Sol helps run quantum computing experiments↗ openai.com · HN · 108 comments · 149 points · Sep 09, 2026
IBM Quantum Nighthawk R2↗ ibm.com · HN · 39 comments · 89 points · Sep 03, 2026
I'm teaching an introductory 12 week course on Quantum Oracle Engineering↗ shukla.io · HN · 23 comments · 67 points · Sep 06, 2026

03 / GO DEEPER

Follow your curiosity

Find a particular story, revisit a year, or see what resonated.

Highest rated · the last 30 days

Benchmarking Qwen3.8 27B quantizations: 4-bit holds up, 1-bit collapses↗ quesma.com · HN · 139 comments · 286 points · Sep 08, 2026
How GPT‑5.6 Sol helps run quantum computing experiments↗ openai.com · HN · 108 comments · 149 points · Sep 09, 2026
The Coming War on General Computation (2011)↗ en.wikisource.org · HN · 45 comments · 121 points · Sep 13, 2026
IBM Quantum Nighthawk R2↗ ibm.com · HN · 39 comments · 89 points · Sep 03, 2026
I'm teaching an introductory 12 week course on Quantum Oracle Engineering↗ shukla.io · HN · 23 comments · 67 points · Sep 06, 2026
Quantum information spreading via higher-order operator correlators↗ arxiv.org · HN · 0 comments · 10 points · Sep 22, 2026
US Military tests quantum sensors for flight navigation without GPS over Pacific↗ heise.de · HN · 1 comments · 9 points · Sep 13, 2026
IBM quantum computer solves classically intractable problem in 15 minutes↗ sciencedaily.com · HN · 0 comments · 9 points · Sep 02, 2026
Treasury Announces the Quantum-Readiness Task Force↗ home.treasury.gov · HN · 0 comments · 8 points · Aug 31, 2026
Variational Quantum Circuits in Physics-Informed Neural Networks↗ meshapplied.com · HN · 0 comments · 7 points · Sep 15, 2026

10 stories shown.

Help shape Hacker Atlas

Useful, confusing, or missing something? I’d love to hear.

Your feedback is private. Your email is only used to reply, never to sign you up for a newsletter.