Hacker News
The ancient Chinese way to cool homes (2023)
Article URL: https://www.bbc.com/future/article/20230712-how-ancient-skywells-are-keeping-chinese-homes-cool
Comments URL: https://news.ycombinator.com/item?id=48878700
Points: 2
# Comments: 0
DeepSeek developing its own AI chip, sources say
Article URL: https://www.reuters.com/world/china/chinas-deepseek-developing-its-own-ai-chip-sources-say-2026-07-07/
Comments URL: https://news.ycombinator.com/item?id=48878697
Points: 2
# Comments: 0
Show HN: Mindwalk – Replay coding-agent sessions on a 3D map of your codebase
Article URL: https://github.com/cosmtrek/mindwalk
Comments URL: https://news.ycombinator.com/item?id=48878682
Points: 1
# Comments: 0
An open letter to the Medici of intelligence
Article URL: https://www.sov.vc/blog/the-next-frontier-sovereignty
Comments URL: https://news.ycombinator.com/item?id=48878679
Points: 1
# Comments: 0
What Happens Inside DynamoDB When You Hit 3000 RCU on a Single Partition Key
Vinod Khosla to Buy Seattle Seahawks for $9.6B
Article URL: https://www.sportico.com/business/team-sales/2026/seattle-seahawks-sale-vinod-khosla-owner-billions-1234938616/
Comments URL: https://news.ycombinator.com/item?id=48878666
Points: 2
# Comments: 0
Ask HN: How do you manage content for React-based websites?
I've been exploring modern publishing workflows for React applications.
Curious how others solve:
- content management - editors - frontend separation - deployment
What is your current stack?
Comments URL: https://news.ycombinator.com/item?id=48878654
Points: 1
# Comments: 0
Who cleans up after the vibe-coding party?
Article URL: https://www.ft.com/content/cec8df9e-b43b-4cd1-8feb-c07e804e8d33
Comments URL: https://news.ycombinator.com/item?id=48878641
Points: 2
# Comments: 1
Boeing 737 window dislodged, passenger partially sucked out
Article URL: https://www.reuters.com/business/ryanair-plane-makes-emergency-landing-greece-after-window-dislodged-2026-07-10/
Comments URL: https://news.ycombinator.com/item?id=48878606
Points: 2
# Comments: 0
BSD Make Extravaganza
Article URL: https://github.com/b-aaz/bmake-extravaganza
Comments URL: https://news.ycombinator.com/item?id=48878601
Points: 1
# Comments: 0
Where Tomorrow's Engineers Come From, Part 2: The Apprenticeship Problem
Article URL: https://www.abovethertl.com/p/where-tomorrows-engineers-come-from-b71
Comments URL: https://news.ycombinator.com/item?id=48878584
Points: 2
# Comments: 1
How Container Networking Works: Building a Bridge Network from Scratch
Article URL: https://labs.iximiuz.com/tutorials/container-networking-from-scratch
Comments URL: https://news.ycombinator.com/item?id=48878568
Points: 1
# Comments: 0
Colleges have an education problem (2025)
Article URL: https://12gramsofcarbon.com/p/colleges-have-an-education-problem
Comments URL: https://news.ycombinator.com/item?id=48878536
Points: 2
# Comments: 0
Show HN: Skiff, a frontier isochrone tuning simulation for sailboats
Article URL: https://github.com/deepbluedynamics/skiff
Comments URL: https://news.ycombinator.com/item?id=48878506
Points: 4
# Comments: 1
Alphaville LLC initiates coverage of SpaceX with Buy recommendation
Article URL: https://www.ft.com/content/1344d22b-ee64-488d-bd02-170fe0c9de2b
Comments URL: https://news.ycombinator.com/item?id=48878501
Points: 2
# Comments: 0
Taste
Article URL: https://katdispatch.bearblog.dev/on-taste/
Comments URL: https://news.ycombinator.com/item?id=48878487
Points: 2
# Comments: 0
Cpp-Go-Zig-Odin: A series of small programs/tasks to compare
Article URL: https://github.com/phillvancejr/Cpp-Go-Zig-Odin
Comments URL: https://news.ycombinator.com/item?id=48878482
Points: 1
# Comments: 0
UK Cybercrime Journal: Argos Account Takeover Fraud
Article URL: https://blog.bushidotoken.net/2026/07/uk-cybercrime-journal-argos-account.html
Comments URL: https://news.ycombinator.com/item?id=48878450
Points: 1
# Comments: 0
Ask HN: Do your tests clear "If the tests pass, you cannot break the code" bar?
Why or why not?
This is how I have found AI to be very powerful. If my tests pass, I know my code won't break. I spend more time on tests than any other part of the code-base. I am curious who else is building in this manner? I use the statement in the title because I feel that is the bar you have to meet to get the AI to work well, but once you meet that bar lately it has been working pretty flawlessly for me.
Comments URL: https://news.ycombinator.com/item?id=48878448
Points: 1
# Comments: 0
Show HN: AsyncFutures – A Ruby gem for asynchronous/concurrent code execution
This gem allows you to execute code more-or-less identically across Ractors, Threads, and Fibers. This makes it much easier to test out your code's performance behavior by using an identical API across all concurrency primitives. It is built around a flexible core Future class.
This was actually the impetus for creating this Gem: the core Ruby concurrency primitives all have different APIs and subtly different behavior even for the APIs that initially look similar. For example, `join` on Ractor and Thread instances do NOT behave the same. This Gem adds Executors that expose near identical behavior across all of them and return a Future object with identical API and behavior across all of them.
I've been working on this Gem for a few months in my spare time. I just published the Gem and made the git repo public a few minutes ago. Please feel free to review the code, test out the gem, and provide your feedback.
As a footnote: this was not vibe coded. I wanted to learn through experience how to correctly write concurrent code, so using AI would have defeated the purpose. Also, I don't particularly enjoy writing/generating code via AI, so that would have made vibe coding this doubly pointless.
The Gem has 100% line and branch coverage on CRuby 4.0 and is 0BSD licensed.
Thank you.
Comments URL: https://news.ycombinator.com/item?id=48878436
Points: 1
# Comments: 0
