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PlankDB – A Quantum-Powered Key-Value Store with Grover (Spring Boot)

https://github.com/swampus/plank-db
1•swampus•9mo ago

Comments

swampus•9mo ago
Hi HN!

We’ve built *PlankDB*, an experimental key-value database that supports quantum-powered search via Grover's algorithm.

It combines: - Quantum search using IBM Qiskit (Grover's Algorithm) - Java 17 + Spring Boot + Clean Architecture - RESTful API with Swagger - Support for local (simulated) and IBM remote quantum execution

The quantum part isn't just a gimmick — it performs a *probabilistic search* over inserted keys using Grover’s quadratic speedup. We also support classical search for comparison.

The project is fully open-source and actively maintained: https://github.com/swampus/plank-db

Would love your feedback — ideas, bugs, or quantum jokes are all welcome!

In the Northwest, Polyamory Finds Something New: Legal Protection

https://www.nytimes.com/2026/02/28/us/pacific-northwest-polyamory-legal-protection.html
1•geox•1m ago•0 comments

Ask HN: If AI boosts productivity so much, why would a company lay anyone off?

1•ex-aws-dude•1m ago•1 comments

Jargonism: A Business English Dictionary

https://jargonism.com
1•hliyan•4m ago•0 comments

AI writing just isn't good enough – and if you're using it, everyone can tell

https://www.theglobeandmail.com/opinion/article-ai-writing-just-isnt-good-enough-and-if-youre-usi...
1•paulpauper•5m ago•0 comments

Secretary of Defense bans military from attending Ivy League Schools

https://www.foxnews.com/politics/hegseth-bans-military-attending-princeton-columbia-other-elite-u...
2•hmokiguess•5m ago•0 comments

Show HN: Mdspec.dev – open-source spec management platform for technical teams

https://mdspec.dev
1•zameermfm•6m ago•0 comments

If A.I. Is a Weapon, Who Should Control It?

https://www.nytimes.com/2026/02/28/opinion/artificial-intelligence-trump-hegseth-anthropic.html
1•paulpauper•6m ago•0 comments

What Your DNA Reveals About the Sex Life of Neanderthals

https://www.nytimes.com/2026/02/26/science/human-evolution-neanderthal-sex.html
1•paulpauper•6m ago•0 comments

Show HN: Which VCs are Tier 1?

https://vc-compare.vercel.app/
1•nezaj•8m ago•0 comments

Last Year in Container Security

https://nanovms.com/blog/last-year-in-container-security
2•valyala•8m ago•0 comments

Should AI chatbots have ads? Anthropic says no

https://arstechnica.com/ai/2026/02/should-ai-chatbots-have-ads-anthropic-says-no/
1•joozio•9m ago•0 comments

Agentic Engineering – Choosing the Right Level of Guidance

https://potocki.dev/posts/agentic-engineering-choosing-the-right-level-of-guidance/
1•tazer•10m ago•0 comments

GPL as the best licence

https://blog.hansenpartnership.com/gpl-as-the-best-licence-governance-and-philosophy/
1•lr0•10m ago•0 comments

Show HN: AIQuotaBar – See Claude/ChatGPT usage limits in your macOS menu bar

https://github.com/yagcioglutoprak/AIQuotaBar
2•toprak123•12m ago•0 comments

FreeBSD Home NAS, Part 14: Logs with VictoriaLogs and Alerts with VMAlert

https://rtfm.co.ua/en/freebsd-home-nas-part-14-logs-with-victorialogs-and-alerts-with-vmalert/
1•setevoy•12m ago•0 comments

Increase of AI bots on the Internet sparks arms race

https://www.wired.com/story/ai-bots-are-now-a-signifigant-source-of-web-traffic/
1•joozio•12m ago•0 comments

Show HN: Name-classifier – infers attributes about a person from a name

https://github.com/douglas-larocca/name-classifier
2•defgeneric•13m ago•0 comments

Fluux Messenger 0.13.2 – A Modern Cross Platform XMPP Client

https://github.com/processone/fluux-messenger/releases/tag/v0.13.2
1•neustradamus•13m ago•0 comments

Walt Disney's Relationship with Money (2014)

http://reflectionsonwalt.blogspot.com/2014/05/walts-relationship-with-money.html
1•spking•14m ago•0 comments

DeepSeek to release new AI model next week in new challenge to US rivals

https://www.ft.com/content/e3366881-0622-40a7-9c34-a0d82e3d573e
3•maxloh•14m ago•0 comments

Can the Internet Be Saved?

https://lareviewofbooks.org/article/tim-berners-lee-unfinished-story-world-wide-web/
2•wigwamnh•17m ago•0 comments

Ask HN: Is the 'natural language analytics' unsolved or just unsexy?

1•esawyer•17m ago•0 comments

Show HN: Voice-coded a Doom-scroll Hacker News (Twitter-style feed)

https://www.youtube.com/watch?v=RRF-F5jDS50
2•imprisonedmind•18m ago•0 comments

Against Query Based Compilers

https://matklad.github.io/2026/02/25/against-query-based-compilers.html
2•birdculture•23m ago•0 comments

Exostosis

https://en.wikipedia.org/wiki/Exostosis
1•treetalker•24m ago•0 comments

Flip Distance of Convex Triangulations and Tree Rotation Is NP-Complete

https://arxiv.org/abs/2602.22874
1•nill0•26m ago•0 comments

Show HN: GitShow Repo Showroom – a landing page for any GitHub repo

2•ofershap•27m ago•0 comments

Rare Roman lead ingots found by metal detectorists in Ceredigion

https://www.bbc.com/news/articles/c8xy52wndx1o
1•speckx•27m ago•0 comments

Premier League to launch direct streaming in Singapore

https://www.espn.com/soccer/story/_/id/48044798/premier-league-launch-direct-streaming-premier-le...
1•woldemariam•27m ago•0 comments

Dave's Book Review for the Art of Doing Science and Engineering

https://ratfactor.com/b/the-art-of-doing-science-and-engineering
1•zdw•27m ago•0 comments