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Open-source DIY radar that's 95% cheaper than $250k commercial offerings

https://www.tomshardware.com/maker-stem/open-source-radar-system-is-95-percent-cheaper-than-usd250-000-commercial-offerings-has-20-kilometer-range-moroccan-engineer-designs-aeris-10-radar-shares-it-on-github
6•anjel•1h ago

Comments

SimpleOutreach•49m ago
Massive respect for this. Open-source hardware gets really exciting when it moves beyond demos and into serious engineering like this.

Show HN: Claude-codex-proxy – Use Claude Code with ChatGPT subscription

https://github.com/raine/claude-codex-proxy
1•rane•1m ago•0 comments

Atlassian's new data collection policy protects rich customers while AI eats

https://www.theregister.com/2026/04/18/atlassians_new_data_collection_policy/
1•latein•1m ago•0 comments

0: I built an app that creates AI real estate videos

https://www.tourestateai.com/en
1•jojomasala•2m ago•0 comments

Show HN: Donbar – A dead-simple way to design and send professional emails

https://www.donbar.org/
1•ShmuelT•3m ago•0 comments

What Figma's 7.7% Drop Is Telling You

https://www.bhusalmanish.com.np/blog/posts/figma-drop-claude-design-saas.html
1•okchildhood•4m ago•0 comments

Robot runners beat humans in Beijing half-marathon

https://www.dw.com/en/robot-runners-beat-humans-in-beijing-half-marathon/a-76846520
1•pseudolus•4m ago•0 comments

Plexus P/20 Emulator

https://spritetm.github.io/plexus_20_emu/
1•hggh•6m ago•0 comments

Contact Lens Uses Microfluidics to Monitor and Treat Glaucoma

https://spectrum.ieee.org/smart-contact-lens-glaucoma-microfluidics
1•pseudolus•6m ago•0 comments

What temperature are you coding at?

https://chrisloy.dev/post/2026/03/29/what-temperature-are-you-coding-at
1•chrisloy•8m ago•0 comments

Principle of Charity

https://en.wikipedia.org/wiki/Principle_of_charity
1•chistev•14m ago•0 comments

A portable OS for emergency situations and extreme privacy needs

https://github.com/Ganso/refugiOS
1•SrTopete•17m ago•0 comments

Show HN: Proposly – AI-generated client proposals for freelancers

https://proposly.org
1•Jafer070•19m ago•0 comments

Everyone needs own their own machine that is an extension of their intelligence

https://twitter.com/beffjezos/status/2045719076644040991
2•bilsbie•20m ago•0 comments

I built a hobby matching engine that scores activities across lifestyle traits

https://hobbystack.net/
1•thorninanearcor•23m ago•1 comments

High-Fidelity KV Cache Summarization Using Entropy and Low-Rank Reconstruction

https://jchandra.com/posts/hae-ols/
2•jchandra•24m ago•1 comments

America wakes up to AI's dangerous power

https://www.economist.com/leaders/2026/04/16/america-wakes-up-to-ais-dangerous-power
1•runeks•26m ago•1 comments

Wine 11.7 – Run Windows Applications on Linux, BSD, Solaris and macOS

https://www.winehq.org/announce/11.7
1•neustradamus•26m ago•0 comments

Forecastr – RFC 3161 timestamps for AI forecasts, verifiable with OpenSSL

https://www.forecastr.dev/
1•dnsreicht•27m ago•0 comments

Mitit.org/Blogs/4

https://mitit.org/Blogs/4
1•yetercom•27m ago•0 comments

Cannabis criminal law in Germany in 2026

https://www.ferner-alsdorf.com/cannabis-criminal-law-in-germany-in-2026/
1•slow_typist•28m ago•0 comments

Vigil

https://github.com/KultMember6Banger/vigil
1•KM6B•34m ago•0 comments

Show HN: OpenClawdex – Open-Source Orchestrator UI for Claude Code and Codex

https://github.com/alekseyrozh/openclawdex
3•alekseyrozh•35m ago•0 comments

The Seaside Town Trying to Reclaim Its Title as 'Submarine Capital of the World'

https://www.wsj.com/us-news/the-seaside-town-trying-to-reclaim-its-title-as-submarine-capital-of-...
1•impish9208•40m ago•1 comments

Summarizing and Reviewing my earliest ML research paper, 7 years later

https://www.lesswrong.com/posts/s23gcSGmWh3YwDBdW/summarizing-and-reviewing-my-earliest-ml-resear...
1•joozio•42m ago•0 comments

Show HN: Vitality AI Health – blood work, wearables, and DNA unified

https://vitalityaihealth.com
1•Kevin_VAI•42m ago•1 comments

Show HN: Prompt-to-Excalidraw demo with Gemma 4 E2B in the browser (3.1GB)

https://teamchong.github.io/turboquant-wasm/draw.html
2•teamchong•42m ago•0 comments

My Obsidian Setup

https://cernockyd.com/blog/my-obsidian-setup
1•cernocky•43m ago•0 comments

Ruby Central in 'real financial jeopardy' following RubyGems maintainer ruckus

https://www.theregister.com/2026/04/19/rubygems_nonprofit_in_real_financial/
1•jjgreen•44m ago•0 comments

The three kinds of leverage that anchor effective strategies

https://longform.asmartbear.com/leverage/
1•kristianp•46m ago•0 comments

Track HN: Comparing 156 LLM Launch Posts on Hacker News

https://track-hacker-news.com/reports/llm-launches
1•namiwang•46m ago•0 comments