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The Forever Book

https://kevinkelly.substack.com/p/the-forever-book
1•thm•31s ago•0 comments

Everything I've Learned About Public Speaking

https://zackproser.com/blog/everything-about-public-speaking?trk=feed-detail_comments-list-reply_...
1•gk1•47s ago•0 comments

Show HN: Context Warp Drive – deterministic folding for LLM agents

https://github.com/dogtorjonah/context-warp-drive
1•VoxxoAI•1m ago•0 comments

WhatsApp Username

https://about.fb.com/news/2026/06/its-time-to-reserve-your-whatsapp-username/
1•0xedb•1m ago•0 comments

Tmuzika 1.1.3 released – C music player with stability fixes

https://github.com/ivanjeka/tmuzika/
2•ivanjeka•1m ago•0 comments

Has a developer you know lost their peace?

https://railway.com/peace
1•eckles•2m ago•0 comments

Camera traps exonerate endangered tapir blamed for crop damage in Honduras

https://petapixel.com/2026/06/29/camera-traps-in-honduras-exonerate-an-endangered-species-blamed-...
1•whiteblossom•5m ago•0 comments

Stop opening Outlook just to check your calendar

https://www.keithbradnam.com/blog/2026/6/21/stop-opening-outlook-just-to-check-your-calendar
1•abnercoimbre•5m ago•0 comments

IDE Doesn't Belong in my .gitignore File

https://www.proactiveops.io/archive/your-ide-doesnt-belong-in-my-gitignore-file/
1•speckx•6m ago•0 comments

Generative UI doesn't make sense for startups

https://evnm.substack.com/p/generative-ui-doesnt-make-sense-for
3•Mongoose•6m ago•0 comments

Solod v0.2: Networking, new targets, friendlier interop

https://antonz.org/solod-v0-2/
1•jabits•7m ago•0 comments

I time travelled to Ancient Rome (AI Vlog) [video]

https://www.youtube.com/watch?v=aaua5ghidk0
1•nanfinitum•7m ago•0 comments

Highlights from Git 2.55 – The GitHub Blog

https://github.blog/open-source/git/highlights-from-git-2-55/
1•parisiansam•7m ago•0 comments

Wall Street Bets Micron Is the Next Nvidia AI Winner

https://www.techbuzz.ai/articles/wall-street-bets-micron-is-the-next-nvidia-ai-winner
1•Vaslo•9m ago•0 comments

LoopFlow – design loops that prompt your coding agent

https://github.com/faisalishfaq2005/loopflow
1•faisalishfaq•9m ago•0 comments

IBM says it can fit nearly 100B transistors on a chip

https://www.zdnet.com/education/computers-tech/ibm-claims-beyond-nanometer-milestone-with-sub-1-n...
1•pseudolus•10m ago•0 comments

Tool to generate iOS, Android, Mac, Windows, etc. icons from a single image

https://www.iconbrew.xyz/
1•prabathw•10m ago•1 comments

Structural Correctness

https://blog.sao.dev/structural-correctness/
2•stuartaxelowen•10m ago•0 comments

Publishers sue OpenAI, Microsoft for training ChatGPT with their content

https://www.sfgate.com/tech/article/openai-newspaper-lawsuit-22322605.php
1•ARandomerDude•11m ago•0 comments

Deep Dive: High Throughput Migration

https://medium.com/@stephanie-dover/decoupling-a-high-throughput-engagement-service-from-a-moneti...
1•klaussy•12m ago•0 comments

Magpie-Search, THE BEST SEARCH ENGINE FOR LLM'S

https://github.com/xfloukiex-lab/magpie-search
1•Floukie•13m ago•0 comments

Show HN: Crossbeam-CLI – Connect Claude to Crossbeam without the enterprise tier

https://fan-pier-labs.github.io/crossbeam-cli/
1•ryanhughes•17m ago•0 comments

Cursor for iOS

https://twitter.com/cursor_ai/status/2071641103191998810
3•dmarcos•18m ago•0 comments

TraceLab: Characterizing Coding Agent Workloads for LLM Serving

https://syfi.cs.washington.edu/blog/2026-06-25-tracelab/
1•matt_d•19m ago•0 comments

Code Club – A 100% offline-first IDE from arg

https://www.codeclubide.com
1•iangelarg•19m ago•1 comments

Towards efficient matching of regexes with backreferences using register set aut

https://dl.acm.org/doi/10.1145/3808281
1•fanf2•21m ago•0 comments

Is the vibecession real – or is the survey broken?

https://www.natesilver.net/p/is-the-vibecession-real-or-is-the
1•7777777phil•23m ago•0 comments

Show HN: AST-guard A gradient-immune structural guard against RL reward hacking

https://github.com/Nick-is-building/ast-guard
2•thinking-nick•24m ago•0 comments

I made a fun little quiz. Can you spot if the text is written with AI or not?

https://unslopai.com/spot-the-ai
1•assorium•24m ago•0 comments

Strategy may sell up to $1.25B in Bitcoin to calm investor jitters

https://fortune.com/2026/06/29/strategy-may-sell-up-to-1-25-billion-in-bitcoin-to-calm-investor-j...
1•1vuio0pswjnm7•25m ago•0 comments
Open in hackernews

Homemade Transistor from Cadmium Sulfide Photocell (2009)

http://sparkbangbuzz.com/cds-fet/cds-fet.htm
2•thenthenthen•1h ago

Comments

thenthenthen•1h ago
Hi HN, just stumbled upon this. Has any one tried this? Why dint he use black tape? Would sanding down the ldr clearcoat reduce the voltage required (i am looking for something near 9V). Any thoughts on better, safer ways to do something like this?