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A Short Guide to Celestial Navigation [pdf]

https://www.devill.net/Infos/Astro/Celestial_Navigation.pdf
4•helterskelter•2h ago

Comments

helterskelter•2h ago
Author's home page:

https://www.celnav.de/page2.htm

Unfortunately he serves a zipped PDF, which is slightly incobvenuebt so I linked to a mirror of the actual PDF file.

Vulnerability Reports are not Special Anymore

https://words.filippo.io/vuln-reports/
2•goranmoomin•6m ago•0 comments

FAA awards software and AI contract as part of air traffic control modernization

https://www.nextgov.com/acquisition/2026/06/faa-awards-software-and-ai-contract-part-air-traffic-...
1•WaitWaitWha•10m ago•0 comments

House passes bill to lower housing costs, sending it to Trump's desk

https://www.nbcnews.com/politics/congress/house-passes-sweeping-bill-lower-housing-costs-sending-...
2•toomuchtodo•10m ago•3 comments

AI systems out-persuade expert humans

https://arxiv.org/abs/2606.16475
1•marojejian•13m ago•1 comments

Russia forces universities to teach drone warfare from September 2026

https://mezha.net/eng/bukvy/c3b94111_russia_forces_universities/
1•gnabgib•13m ago•0 comments

Reinforcement learning towards broadly and persistently beneficial models

https://alignment.openai.com/beneficial-rl/
1•vesteny77•17m ago•0 comments

The Secret Life of Circuits by Michal Zalewski (lcamtuf)

https://nostarch.com/secret-life-of-circuits
1•Curiositry•18m ago•0 comments

Russian Warship RIP – Tracking Losses

https://russianwarship.rip/en
2•sans_souse•19m ago•0 comments

Talk to Your Plant

https://github.com/openai/planttalk
2•bakigul•20m ago•0 comments

Let's say you're hungry for a sandwich

https://beige.party/@Lana/116795397010653803
2•colinprince•20m ago•0 comments

ClaudeMeter – macOS menu bar app to track Claude usage and limits

https://github.com/yotake/claude-meter
2•chibeeMan•20m ago•0 comments

Show HN: Freestyle – Wispr Flow Alternative that respects privacy

https://github.com/freestyle-voice/freestyle
1•matteo8p•21m ago•0 comments

This Word Does Not Exist

https://www.thisworddoesnotexist.com/
2•SpyCoder77•21m ago•0 comments

AI stock slump raises the question are investors taking profits or very nervous

https://apnews.com/article/tech-stocks-ai-investments-8a0ff4c95d5cae6f65c6e2ba03047058
1•1vuio0pswjnm7•21m ago•0 comments

Extreme Heat conference cancelled due to extreme heat warning

https://www.lse.ac.uk/granthaminstitute/events/extreme-heat-improving-governance-and-strengthenin...
8•rendx•22m ago•0 comments

SpaceX Falls for Third Day, Erases $600B in Market Value

https://www.bloomberg.com/news/articles/2026-06-22/spacex-shares-poised-to-slide-again-as-us-mark...
1•1vuio0pswjnm7•23m ago•0 comments

Pilbara's North Pole Dome the oldest known asteroid crater

https://www.abc.net.au/news/2026-06-24/worlds-oldest-asteroid-crater-pilbara-confirmed/106818546
1•Gaishan•25m ago•0 comments

Generosity Is Potency

https://wastebook.substack.com/welcome
2•Curiositry•25m ago•0 comments

Postman launches passport for securing API secret access

https://blog.postman.com/postman-passport-secure-api-access-for-the-agentic-era/
1•paidsandserape•26m ago•0 comments

Building a Western gallium supply chain beyond China's reach

https://wpintelligence.washingtonpost.com/topics/energy-climate/2026/06/17/gallium-gamble-buildin...
1•bookofjoe•27m ago•1 comments

Advanced Nintendo Entertainment System (ANES) – NES Modded to Use 2 PPUs

https://github.com/decrazyo/anes
1•zdw•27m ago•0 comments

Just.witter – a voice feed. no text, no photos, no video, just voices

https://justwitter.com/
1•whatis1215•28m ago•0 comments

The Real-Time Rat Tracking Map

https://googlemapsmania.blogspot.com/2026/06/the-real-time-rat-tracking-map.html
1•gnabgib•30m ago•0 comments

Real Men Run as Root

https://www.garyshood.com/root/
2•helterskelter•31m ago•2 comments

Heap buffer overflow in WolfSSL SNI and ECH code

https://www.wiz.io/vulnerability-database/cve/cve-2026-5503
1•1vuio0pswjnm7•32m ago•0 comments

Lifting E-Graphs: A Function Isn't a Constant

https://arxiv.org/abs/2606.22734
1•matt_d•33m ago•0 comments

Apache Pulsar 5.0.0-M1: A Preview of the Next Major Release

https://pulsar.apache.org/release-notes/versioned/pulsar-5.0.0-M1/
1•matteomerli•36m ago•0 comments

Skills don't have a quality problem. They have a distribution problem

https://skillrepo.dev/blog/skills-distribution-problem
1•atxpace•37m ago•0 comments

How to Give a Technical Presentation (2005)

https://homes.cs.washington.edu/~mernst/advice/giving-talk.html
1•simojo•40m ago•0 comments

Measuring tech debt in tokens instead of engineering hours

https://heysoup.co/notes-tech-debt-token-function
1•heysoup•40m ago•0 comments