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

https://github.com/swampus/plank-db
1•swampus•8mo ago

Comments

swampus•8mo 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!

Wasma – Windows Assignment System Monitoring Architecture

https://github.com/Azencorporation/Wasma
1•goychay23•2m ago•1 comments

Show HN: PolyMCP – open-source toolkit to expose MCP tools and run agents

1•justvugg•2m ago•0 comments

Ark and GENESIS A protocol for sovereign know nodes and consent-based federation

1•PiSounds•3m ago•0 comments

On Mark Carney's use of "The Power of the Powerless" at the WEF

https://twitter.com/SilviaPencak/status/2013705975207797113
1•nailer•3m ago•0 comments

New Linux Patch Improved NVMe Performance And15% with CPU Cluster-Aware Handling

https://www.phoronix.com/news/Faster-Linux-NVMe-Cluster-Aware
1•Bender•3m ago•0 comments

Don't click on the LastPass 'create backup' link – it's a scam

https://www.theregister.com/2026/01/21/lastpass_backup_phishing_campaign/
3•Bender•5m ago•0 comments

Claude's New Constitution

https://simonwillison.net/2026/Jan/21/claudes-new-constitution/
2•coloneltcb•11m ago•1 comments

Toronto man fakes pilot badge to score hundreds of free flights

https://www.bbc.com/news/articles/c5y223170vdo
1•belter•12m ago•0 comments

Blue Box – Why Steve Jobs and Steve Wozniak Hacked the Phone Network

https://www.mac-history.net/2013/02/02/blue-box/
1•IndySun•14m ago•0 comments

Heart Disease and Stroke Behind Quarter of All Deaths in U.S.

https://www.nytimes.com/2026/01/21/well/us-leading-death-cause-stroke-heart-disease.html
3•brandonb•17m ago•0 comments

The Gardener of Things That Think

https://medium.com/@loopjockey/the-gardener-of-things-that-think-d75054d7f4ac
2•aqsheehy•18m ago•0 comments

Rahm Emanuel Calls for Age Limit of 75 for President, Congress and Judges

https://www.nytimes.com/2026/01/21/us/politics/rahm-emanuel-age-limit-75.html
5•blindriver•18m ago•0 comments

Inworld's TTS model comes in at 25x cheaper and <250ms latency

https://twitter.com/inworld_ai/status/2014020677343510629
1•Nash0x7e2•19m ago•0 comments

Malicious repository, Bitbucket not shutting these down automatically

https://community.atlassian.com/forums/Bitbucket-questions/Malicious-repository/qaq-p/3011035
1•vinnyglennon•20m ago•1 comments

The Rosetta Stone 3D model

https://sketchfab.com/3d-models/the-rosetta-stone-1e03509704a3490e99a173e53b93e282
1•luispa•22m ago•0 comments

Escorian.com: match with political candidates based on ideologies

https://escorian.com/demo/
3•underlinePasta•25m ago•1 comments

Agentation

https://agentation.dev/
2•handfuloflight•26m ago•0 comments

Show HN: Haven – Anti Brain Rot Android Launcher

https://play.google.com/store/apps/details?id=dev.speczo.haven&hl=en_US
2•sunamic•27m ago•0 comments

Show HN: An unopinionated, Express-like framework for AI agents

https://github.com/ddaras/melony
1•ddaras•28m ago•0 comments

Show HN: Sweep, Open-weights 1.5B model for next-edit autocomplete

https://huggingface.co/sweepai/sweep-next-edit-1.5B
1•williamzeng0•30m ago•0 comments

Bearing Down on a Placebo Effect

https://www.science.org/content/blog-post/bearing-down-placebo-effect
1•etiam•30m ago•0 comments

Moon-rabbit: MSX2 Gopher browser

https://github.com/nihirash/moon-rabbit
1•todsacerdoti•32m ago•0 comments

How Animals Build a Sense of Direction

https://www.quantamagazine.org/how-animals-build-a-sense-of-direction-20260121/
2•jnord•34m ago•0 comments

Why the Future Doesn't Need Us

https://en.wikipedia.org/wiki/Why_the_Future_Doesn%27t_Need_Us
1•nothrowaways•36m ago•0 comments

AI company Eightfold sued for helping companies score job seekers

https://www.reuters.com/sustainability/boards-policy-regulation/ai-company-eightfold-sued-helping...
3•jnord•41m ago•0 comments

3D Printing of Cement-Based Materials Using Seawater for Marine Environments

https://www.mdpi.com/1996-1944/19/1/93
2•PaulHoule•41m ago•0 comments

Half of CO2 emissions come from just 32 fossil fuel firms, study shows

https://www.theguardian.com/environment/2026/jan/21/carbon-dioxide-co2-emissions-fossil-fuel-firm...
2•jnord•43m ago•1 comments

The Inflation Trap: Housing replacement costs vs. market value

https://suretyinsights.com/blog/the-inflation-trap-why-your-home-insurance-limit-might-be-too-low
4•insuranceguru•46m ago•0 comments

AI and the Coming Cognitive Ecological Collapse (2016)

https://rsbakker.wordpress.com/2016/09/11/ai-and-the-coming-cognitive-ecological-collapse-a-reply...
2•danhite•47m ago•1 comments

The Hitchhiker's Guide to Digital Colour

https://hg2dc.com/
1•ivanjermakov•49m ago•0 comments