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

https://github.com/swampus/plank-db
1•swampus•5mo ago

Comments

swampus•5mo 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!

Nano Banana Pro (Nano Banana 2) – AI Image Generation and Editing

https://aibanano.com
1•ghhjklhga•25s ago•0 comments

Gauss News Findings

https://www.gauss.news/
1•gianyrox•36s ago•0 comments

Sales of AI teddy bear suspended after it gave advice on BDSM and knives

https://www.cnn.com/2025/11/19/tech/folotoy-kumma-ai-bear-scli-intl
1•ceejayoz•1m ago•0 comments

Layanan Agoda / Call Center Agoda and Nomor WhatsApp Agoda

https://sites.google.com/view/layanan-agoda-whatsapp-agoda/
1•chanderMX•1m ago•1 comments

Android and iPhone users can now share files, starting with the Pixel 10 family

https://blog.google/products/android/quick-share-airdrop/
1•abraham•2m ago•0 comments

Cosmic Paradox Reveals the Awful Consequence of an Observer-Free Universe

https://www.quantamagazine.org/cosmic-paradox-reveals-the-awful-consequence-of-an-observer-free-u...
1•rbanffy•2m ago•0 comments

Astronomers Spot "First Stars" Billions of Years After They Were Supposed to Die

https://www.universetoday.com/articles/astronomers-spot-first-stars-billions-of-years-after-they-...
1•rbanffy•2m ago•0 comments

Layanan Agoda / Call Center Agoda and Nomor WhatsApp Agoda

1•chanderMX•2m ago•0 comments

Android Quick Share Support for AirDrop: A Secure Approach to File Sharing

https://security.googleblog.com/2025/11/android-quick-share-support-for-airdrop-security.html
1•abraham•3m ago•0 comments

Layanan Agoda

https://sites.google.com/view/layanan-agoda-whatsapp-agoda/?authuser=1
1•chanderMX•3m ago•0 comments

Django LiveView 2.0.0

https://github.com/Django-LiveView/liveview
3•andros•4m ago•0 comments

Toxiproxy: TCP proxy to simulate conditions for chaos and resiliency testing

https://github.com/Shopify/toxiproxy
1•klaussilveira•5m ago•0 comments

Product Hunt Launch Strategy 2025: Complete Guide After Algorithm Changed

https://awesome-directories.com/blog/product-hunt-launch-guide-2025-algorithm-changes/
1•meysamazad•5m ago•0 comments

The reason ice is slippery, revealed after 200 years – ScienceDaily

https://www.sciencedaily.com/releases/2025/09/250912081323.htm
1•bilsbie•7m ago•0 comments

We're bringing AI image verification to the Gemini app

https://blog.google/technology/ai/ai-image-verification-gemini-app/
2•rob•8m ago•0 comments

Study: Déjà Vu is spatial familiarity, not prediction illusion

https://www.psypost.org/new-psychology-research-sheds-light-on-the-mystery-of-deja-vu/
1•DrierCycle•10m ago•0 comments

AutoBlinds: Smart home device that moves roller shades up and down

https://github.com/apanteleev/autoblinds
1•klaussilveira•10m ago•0 comments

Read Something Wonderful (About Biology)

https://read.asimov.com
1•mailyk•13m ago•0 comments

In Praise of DHH

https://okayfail.com/2025/in-praise-of-dhh.html
3•birdculture•14m ago•0 comments

Nano Banana Pro has been released, come and try it for free

https://nanobananaproai.io
1•sinpor1•14m ago•1 comments

Show HN: Fulfilled – Non-custodial financial co-pilot for goal optimization

https://matthew-glossops-workspace.share.arcade.software/share/iiL0WyFF1O1iSlSi1TGg
1•mattglossop•14m ago•0 comments

Switching to Rust's own mangling scheme on nightly

https://blog.rust-lang.org/2025/11/20/switching-to-v0-mangling-on-nightly/
2•ingve•15m ago•0 comments

32-Bit Integer Multiplication on Tenstorrent

https://www.jasondavies.com/2025/tenstorrent-multiply-int32/
1•jasondavies•16m ago•0 comments

Eastern Shipbuilding Suspends Work on Coast Guard's Offshore Patrol Cutters

https://gcaptain.com/eastern-shipbuilding-suspends-work-on-coast-guards-offshore-patrol-cutter-pr...
1•speckx•18m ago•0 comments

How Visa Actually Works

https://nandinfinitum.com/posts/visa/
2•nanfinitum•20m ago•0 comments

Florida nonprofit news reporters ask board to investigate their editor's AI use

https://www.niemanlab.org/2025/11/florida-nonprofit-news-reporters-ask-board-to-investigate-their...
1•danso•21m ago•0 comments

Show HN: Yonoma – Behavior based email automation for SaaS

4•vimall_10•23m ago•2 comments

Practice on Long Behavior Sequence Modeling in Tencent Advertising

https://arxiv.org/abs/2510.21714
1•PaulHoule•23m ago•0 comments

Systems design 3: LLMs and the semantic revolution

https://apenwarr.ca/log/20251120
1•goranmoomin•24m ago•0 comments

Show HN: Tangent – Open-source security data pipeline

https://github.com/telophasehq/tangent
3•ethanblackburn•25m ago•1 comments