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Seeing the world in radio waves with the QuadRF

https://hackaday.com/2026/06/20/seeing-the-world-in-radio-waves-with-the-quadrf/
38•ikbdsk•3h ago

Comments

mrtnmcc•2h ago
Crowd Supply campaign: https://www.crowdsupply.com/scale-rf/quadrf#
jauntywundrkind•1h ago
Anything for low budget bandwidth connections. We need a lot more of this resourcefulness with chips getting so radically so broadly unavailable now.

Pre-2022 Books

https://notes.lorenzogravina.com/musings/pre-2022-books
143•trms•2h ago•72 comments

Not just books: renting a sewing machine from the library can improve democracy

https://www.bbc.com/future/article/20260618-the-weird-and-wonderful-libraries-of-finland
68•sohkamyung•1h ago•23 comments

Epoll vs. Io_uring in Linux

https://sibexi.co/posts/epoll-vs-io_uring/
34•Sibexico•1h ago•6 comments

Slow breathing modulates brain function and risk behavior

https://www.cell.com/neuron/fulltext/S0896-6273(26)00339-9
29•croes•2h ago•1 comments

Show HN: TownSquare, a tiny presence layer for websites

https://townsquare.cauenapier.com/
28•cauenapier•12h ago•13 comments

Alice is impatient

https://brooker.co.za/blog/2026/06/19/waiting.html
47•birdculture•4h ago•8 comments

SMPTE Makes Its Standards Freely Accessible

https://www.smpte.org/blog/smpte-makes-its-standards-freely-accessible-openingstandards-library-t...
222•zdw•7h ago•59 comments

Loupe – A iOS app that raises awareness about what native apps can see

https://github.com/mysk-research/loupe
29•Cider9986•12h ago•4 comments

Project Fetch: Phase Two

https://www.anthropic.com/research/project-fetch-phase-two
13•stopachka•46m ago•0 comments

UHF X11: X11 Built for VisionOS and Apple Vision Pro

https://www.lispm.net/apps/uhf-x11/
155•zdw•7h ago•23 comments

DOS Game "F-15 Strike Eagle II" reversing project needs DOS test pilots

https://neuviemeporte.github.io/f15-se2/2026/06/20/needyou.html
196•LowLevelMahn•9h ago•57 comments

CSSQuake

https://cssquake.com/
453•msalsas•13h ago•94 comments

Semiconductor Lifeline Keeps Fighter Jets in the Air

https://spectrum.ieee.org/phoenix-semiconductors-legacychips-oems
28•rbanffy•4d ago•5 comments

PostgresBench: A Reproducible Benchmark for Postgres Services

https://clickhouse.com/blog/postgresbench
73•saisrirampur•5h ago•19 comments

Inference cost at scale with napkin math

https://injuly.in/blog/napkin-inference-cost/index.html
55•gmays•4d ago•12 comments

Show HN: StartupWiki – A Free Alternative to Crunchbase

https://startupwiki.tech/
149•shpran•8h ago•46 comments

Turns Out, There Is a Cabal of Elite Crazies Trying to Control the World

https://www.esquire.com/news-politics/politics/a71619211/peter-thiel-dialog-club-wired-report/
140•throwaway81523•1h ago•58 comments

The Wholesale Plagiarism of Obscure Sorrows

https://waxy.org/2026/06/the-wholesale-plagiarism-of-obscure-sorrows/
311•ridesisapis•6h ago•134 comments

The rise of South Korea’s weapons business

https://www.politico.com/news/magazine/2026/06/20/south-korea-weapons-dealer-trump-00959559
104•JumpCrisscross•13h ago•38 comments

Unauthorized alert sent to cell phones across Brazil

https://www.cnn.com/2026/06/20/americas/brazil-hackers-unauthorized-alert-latam
77•zdw•4h ago•49 comments

Bun has an open PR adding shared-memory threads to JavaScriptCore

https://github.com/oven-sh/WebKit/pull/249
110•gr4vityWall•7h ago•194 comments

Temporary Cloudflare accounts for AI agents

https://blog.cloudflare.com/temporary-accounts/
161•farhadhf•13h ago•93 comments

Supermarket giant Tesco sues VMware for breach of contract

https://www.theregister.com/software/2025/09/03/supermarket-giant-tesco-sues-vmware-for-breach-of...
75•wglb•3h ago•20 comments

Show HN: Make PDFs look scanned (CLI or in the browser via WASM)

https://github.com/overflowy/make-look-scanned
76•overflowy•6h ago•40 comments

Show HN: Submarius – Global water clarity for divers

https://submarius.com
5•celloer•1h ago•0 comments

Show HN: We post-trained a model that pen tests instead of refusing

https://www.argusred.com/cli
69•dk189•10h ago•32 comments

Whole cross-sectional human ultrasound tomography

https://www.nature.com/articles/s41551-026-01660-4
8•lnyan•2d ago•1 comments

Why has the pointe shoe been so resistant to change?

https://dancemagazine.com/pointe-shoe-innovation/
47•onemind•23h ago•47 comments

Show HN: Tiny – An interpeted dynamic langauge with inline Go native functions

https://github.com/confh/Tiny
31•confis•5h ago•5 comments

Show HN: My Windows XP portfolio with working Game Boy and iPod

https://mitchivin.com/
48•mitchivin•5h ago•23 comments