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A Short Guide to Celestial Navigation [zipped pdf]

https://celnav.de/page2.htm
1•helterskelter•1h ago

Comments

helterskelter•1h ago
Direct link to (zipped) PDF:

https://www.celnav.de/astro.zip

This is probably the most thorough and concise guide to celnav I've encountered, but it leans very technical. Just wanted to share.

Show HN: I created agent skill based on Peter Lynch's books

https://github.com/DjNero11/peter-lynch-skill
1•DjNero•1m ago•0 comments

Inference Compute Shapes Frontier LLM Evaluation

https://arxiv.org/abs/2606.17930
1•matt_d•1m ago•0 comments

Concordia: JIT-Compiled Persistent-Kernel Checkpt for Fault-Tolerant Inference

https://arxiv.org/abs/2606.23521
1•matt_d•1m ago•0 comments

Behavioral reads for leaders from what people write and how they write it

https://takethemirror.com/
1•coleaalkire•2m ago•0 comments

SIMT-Step Execution: A Flexible Operational Semantics for GPU Subgroup Behavior

https://arbersephirotheca.github.io/publications/simt-step/
1•matt_d•2m ago•0 comments

TheSims.css

https://thesimscss.inbn.dev/
1•jumpocelot•4m ago•0 comments

Show HN: Hemicycle – Visualizing US bill cosponsors by party

https://legisletter.org/hemicycle
2•processing•4m ago•0 comments

Who Is America's Homer?

https://www.plough.com/articles/who-is-americas-homer
1•samclemens•4m ago•0 comments

Finding a new web host for this blog

https://log.schemescape.com/posts/web-development/web-hosting-for-this-blog.html
1•speckx•4m ago•0 comments

From Empathy to Apathy: The Bystander Effect Revisited

https://pmc.ncbi.nlm.nih.gov/articles/PMC6099971/
2•andrewstetsenko•4m ago•0 comments

Show HN: Wordit – Change One Letter, Keep the Chain Going

https://victorribeiro.com/wordit/
1•atum47•6m ago•0 comments

Universal-3.5 Pro Realtime

https://www.assemblyai.com/blog/universal-3-5-pro-realtime
1•handfuloflight•6m ago•0 comments

A Mathematical Model for the Human Will

https://outlookzen.com/2026/06/23/a-mathematical-model-for-the-human-will/
1•whack•6m ago•0 comments

MSG was keeping tabs on facial recognition activists

https://www.fightforthefuture.org/news/2026-06-22-breaking-madison-square-garden-was-keeping-tabs...
2•jaredwiener•7m ago•0 comments

AI Hiring Tools Yield Racial Bias and Systemic Rejection; 26% Black & 15% Asian

https://hai.stanford.edu/news/ai-hiring-tools-can-yield-racial-bias-and-systemic-rejection
2•sizzle•7m ago•0 comments

A free puzzle generator that guarantees unique Sudoku/nonogram solutions

https://www.puzzlepage.app
1•baxbyte•7m ago•0 comments

What If Creativity Was the Constraint?

https://blog.nseldeib.com/p/what-if-creativity-was-the-constraint
1•nadis•8m ago•0 comments

AI Didn't Make Us Faster It Demoted Us

https://www.askable.com/blog/ai-didnt-speed-us-up-it-demoted-us
1•lizsteelman•9m ago•0 comments

China beats US with fastest supercomputer

https://www.reuters.com/world/china/china-beats-us-with-worlds-fastest-supercomputer-race-not-gea...
2•tosh•11m ago•0 comments

Applications are open for OpenAI DevDay 2026

https://devday.openai.com/#devday-exchanges
1•rarisma•12m ago•0 comments

Model Size Scaling in 2023-2031

https://www.lesswrong.com/posts/yLHiQGCPdvzL9fBn3/model-size-scaling-in-2023-2031
1•mecameron•13m ago•0 comments

Bow-and-arrow-shaped radio galaxy discovered by citizen scientist

https://ras.ac.uk/news-and-press/research-highlights/bow-and-arrow-shaped-radio-galaxy-discovered...
1•gmays•13m ago•0 comments

Liberty, War, and Sovereignty: The Declaration of Independence at 250 [pdf]

https://isonomiaquarterly.com/wp-content/uploads/2026/06/iq-4.2-summer-2026-totten-american-state...
1•brandonlc•14m ago•0 comments

World of Mathematics

https://mathigon.org/world/
2•board•18m ago•0 comments

Millions in UK could claim share of £3B after Apple case given green light

https://www.bbc.co.uk/news/articles/c932d1r0p96o
5•Brajeshwar•18m ago•0 comments

Butterfly that barely ages could help unlock longevity secrets

https://www.sciencedaily.com/releases/2026/06/260622014302.htm
2•thunderbong•18m ago•0 comments

The Day Facebook Disappeared – Global Outage (2021)

https://onlytech.boo/incident/the-day-facebook-disappeared-global-outage-2021-mnn043ht
1•vednig•18m ago•0 comments

Accept cookies or pay? No thanks

https://danielle.bearblog.dev/accept-cookies-or-pay-no-thanks/
1•speckx•19m ago•0 comments

Argument Clinic – Monty Python (Official Sketch) [video]

https://www.youtube.com/watch?v=TpQlyUjp3vM
2•zeristor•19m ago•1 comments

The first AI marketing benchmark

https://viralbench.ai/
1•Jibran12345•19m ago•1 comments