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

https://github.com/swampus/plank-db
1•swampus•11mo ago

Comments

swampus•11mo 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!

Dirty Frag: Ongoing Linux Kernel Privilege Escalation Vulnerability Since 2017

https://www.wiz.io/blog/dirty-frag-linux-kernel-local-privilege-escalation-via-esp-and-rxrpc
1•birdculture•22s ago•0 comments

Caligra c100 Developer Terminal – Industrial design of computer hardware

https://www.pentagram.com/work/caligra-c100-developer-terminal
1•kaizenb•3m ago•0 comments

NREL best research cell (photovoltaic) efficiency chart [pdf]

https://nrel.gov/media/docs/libraries/pv/cell-pv-eff.pdf
1•walrus01•6m ago•1 comments

Lunar Impact Flashes NASA Artemis

https://nbsla.ca/lunar-impact-flashes-nasa-artemis/
1•01-_-•7m ago•0 comments

Intel shares soar on Apple chip deal report

https://www.cnbc.com/2026/05/08/intel-stock-apple-chip-deal.html
2•01-_-•8m ago•0 comments

Rakudo – Raku on MoarVM, JVM, and JavaScript

https://github.com/rakudo/rakudo
2•tosh•17m ago•0 comments

All my clients wanted a carousel, now it's an AI chatbot

https://adele.pages.casa/md/blog/all-my-clients-wanted-a-carousel-now-it-s-an-ai-chatbot.md
2•edent•18m ago•0 comments

What Color Is a Tennis Ball?

https://www.theatlantic.com/science/archive/2018/02/what-color-tennis-ball-green-yellow/523521/
1•thunderbong•19m ago•1 comments

Databricks Apps Tutorial: Scalable Streamlit Modular Template for Production

https://medium.com/towards-data-engineering/databricks-apps-tutorial-scalable-streamlit-modular-t...
1•protmaks•20m ago•0 comments

Mythos 'Discovered' a CVE in Its Training Data and That's Still Worrying

https://rival.security/posts/mythos-discovered-a-cve-already-in-its-training-data---and-thats-sti...
4•speckx•25m ago•0 comments

Chaos erupts as cyberattack disrupts learning platform Canvas amid finals

https://arstechnica.com/security/2026/05/chaos-erupts-as-cyberattack-disrupts-learning-platform-c...
2•joozio•28m ago•0 comments

Hobonichi Digital Planner

https://techoapp.1101.com/
1•skogstokig•32m ago•0 comments

Seedream AI image studio for global creators

https://www.doubao.photos
2•yibaoshan•33m ago•0 comments

Claude's signup workflow is terrible

2•b112•39m ago•0 comments

Sociotechnical Architecture Reviews: Understanding Teams, Not Just Artefacts

https://www.youtube.com/watch?v=Nb3xsZVqxpY
1•RebootStr•44m ago•1 comments

Notes on Incidents

https://www.seangoedecke.com/notes-on-incidents/
1•dondraper36•44m ago•0 comments

Why LLM-as-judge fails for code evaluation. Here's what works.

https://navigara.medium.com/the-story-of-navigara-how-we-built-the-performance-layer-for-modern-e...
2•alienll•56m ago•0 comments

Brightness Issue in Old S3 Graphics Cards

https://hackaday.com/2026/04/21/why-some-s3-videocards-have-a-brightness-issue/
3•networked•1h ago•0 comments

Turn any title into thumbnail, OG image or blogpost cover

https://thumbapi.dev
2•dinall•1h ago•1 comments

PWABuilder

https://pwabuilder.com/
5•Tomte•1h ago•0 comments

The Enemy (Part 4)

https://stephanrewind.itch.io/atlantic-41/devlog/1516937/the-enemy-part-4
2•ndr42•1h ago•1 comments

I Still Like Jenkins

https://til.andrew-quinn.me/posts/i-still-like-jenkins/
3•hiAndrewQuinn•1h ago•2 comments

A YouTube Music player that runs in your terminal

https://github.com/chuzcjoe/musicli
3•chuzcjoe•1h ago•0 comments

LeWorldModel: Stable End-to-End Predictive Architecture from Pixels

https://arxiv.org/abs/2603.19312
5•felineflock•1h ago•0 comments

LUKSbox: Encrypted vaults that survive the next decade

https://github.com/PentHertz/LUKSbox
9•fratellobigio•1h ago•0 comments

Show HN: I made an IPv6 proxy for GitHub

https://githubv6.com/
2•immibis2•1h ago•0 comments

Cherry Kearton – groundbreaking 19th-century nature photographer

https://www.bbc.com/future/article/20260507-cherry-kearton-the-eccentric-influence-on-a-young-sir...
3•jeffwass•1h ago•1 comments

I Will Never Use AI to Code

https://antman-does-software.com/i-will-never-use-ai-to-code-or-write
41•ishanz•1h ago•44 comments

Poka-Yoke

https://en.wikipedia.org/wiki/Poka-yoke
7•the-mitr•1h ago•1 comments

Anthropic weighs fundraising for near $1T valuation, FT reports

https://www.reuters.com/technology/anthropic-weighs-fundraising-near-1-trillion-valuation-ft-repo...
5•giuliomagnifico•1h ago•0 comments