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X (Twitter) is back with a new X API Pay-Per-Use model

https://developer.x.com/
2•eeko_systems•3m ago•0 comments

Zlob.h 100% POSIX and glibc compatible globbing lib that is faste and better

https://github.com/dmtrKovalenko/zlob
1•neogoose•6m ago•1 comments

Show HN: Deterministic signal triangulation using a fixed .72% variance constant

https://github.com/mabrucker85-prog/Project_Lance_Core
1•mav5431•7m ago•1 comments

Scientists Discover Levitating Time Crystals You Can Hold, Defy Newton’s 3rd Law

https://phys.org/news/2026-02-scientists-levitating-crystals.html
1•sizzle•7m ago•0 comments

When Michelangelo Met Titian

https://www.wsj.com/arts-culture/books/michelangelo-titian-review-the-renaissances-odd-couple-e34...
1•keiferski•8m ago•0 comments

Solving NYT Pips with DLX

https://github.com/DonoG/NYTPips4Processing
1•impossiblecode•8m ago•1 comments

Baldur's Gate to be turned into TV series – without the game's developers

https://www.bbc.com/news/articles/c24g457y534o
2•vunderba•9m ago•0 comments

Interview with 'Just use a VPS' bro (OpenClaw version) [video]

https://www.youtube.com/watch?v=40SnEd1RWUU
1•dangtony98•14m ago•0 comments

EchoJEPA: Latent Predictive Foundation Model for Echocardiography

https://github.com/bowang-lab/EchoJEPA
1•euvin•22m ago•0 comments

Disablling Go Telemetry

https://go.dev/doc/telemetry
1•1vuio0pswjnm7•24m ago•0 comments

Effective Nihilism

https://www.effectivenihilism.org/
1•abetusk•27m ago•1 comments

The UK government didn't want you to see this report on ecosystem collapse

https://www.theguardian.com/commentisfree/2026/jan/27/uk-government-report-ecosystem-collapse-foi...
3•pabs3•29m ago•0 comments

No 10 blocks report on impact of rainforest collapse on food prices

https://www.thetimes.com/uk/environment/article/no-10-blocks-report-on-impact-of-rainforest-colla...
1•pabs3•29m ago•0 comments

Seedance 2.0 Is Coming

https://seedance-2.app/
1•Jenny249•31m ago•0 comments

Show HN: Fitspire – a simple 5-minute workout app for busy people (iOS)

https://apps.apple.com/us/app/fitspire-5-minute-workout/id6758784938
1•devavinoth12•31m ago•0 comments

Dexterous robotic hands: 2009 – 2014 – 2025

https://old.reddit.com/r/robotics/comments/1qp7z15/dexterous_robotic_hands_2009_2014_2025/
1•gmays•35m ago•0 comments

Interop 2025: A Year of Convergence

https://webkit.org/blog/17808/interop-2025-review/
1•ksec•45m ago•1 comments

JobArena – Human Intuition vs. Artificial Intelligence

https://www.jobarena.ai/
1•84634E1A607A•49m ago•0 comments

Concept Artists Say Generative AI References Only Make Their Jobs Harder

https://thisweekinvideogames.com/feature/concept-artists-in-games-say-generative-ai-references-on...
1•KittenInABox•52m ago•0 comments

Show HN: PaySentry – Open-source control plane for AI agent payments

https://github.com/mkmkkkkk/paysentry
2•mkyang•54m ago•0 comments

Show HN: Moli P2P – An ephemeral, serverless image gallery (Rust and WebRTC)

https://moli-green.is/
2•ShinyaKoyano•1h ago•1 comments

The Crumbling Workflow Moat: Aggregation Theory's Final Chapter

https://twitter.com/nicbstme/status/2019149771706102022
1•SubiculumCode•1h ago•0 comments

Pax Historia – User and AI powered gaming platform

https://www.ycombinator.com/launches/PMu-pax-historia-user-ai-powered-gaming-platform
2•Osiris30•1h ago•0 comments

Show HN: I built a RAG engine to search Singaporean laws

https://github.com/adityaprasad-sudo/Explore-Singapore
3•ambitious_potat•1h ago•4 comments

Scams, Fraud, and Fake Apps: How to Protect Your Money in a Mobile-First Economy

https://blog.afrowallet.co/en_GB/tiers-app/scams-fraud-and-fake-apps-in-africa
1•jonatask•1h ago•0 comments

Porting Doom to My WebAssembly VM

https://irreducible.io/blog/porting-doom-to-wasm/
2•irreducible•1h ago•0 comments

Cognitive Style and Visual Attention in Multimodal Museum Exhibitions

https://www.mdpi.com/2075-5309/15/16/2968
1•rbanffy•1h ago•0 comments

Full-Blown Cross-Assembler in a Bash Script

https://hackaday.com/2026/02/06/full-blown-cross-assembler-in-a-bash-script/
1•grajmanu•1h ago•0 comments

Logic Puzzles: Why the Liar Is the Helpful One

https://blog.szczepan.org/blog/knights-and-knaves/
1•wasabi991011•1h ago•0 comments

Optical Combs Help Radio Telescopes Work Together

https://hackaday.com/2026/02/03/optical-combs-help-radio-telescopes-work-together/
2•toomuchtodo•1h ago•1 comments
Open in hackernews

A DH106 1A Comet has been restored at the de Havilland Aircraft Museum

https://www.cnn.com/travel/de-havilland-comet-dh106-first-passenger-jet
48•rmason•6mo ago

Comments

dangle1•6mo ago
Such a beautiful plane. While perhaps the structural issues could have been better anticipated and addressed, the fact that the engines were incorporated into the wings would likely have been the next issue for the aircraft, with fires, seized turbofans, and proximity to fuel tanks causing further incidents or accidents at rates exceeding those of planes with their engines mounted on pylons.
Animats•6mo ago
There were later versions of the Comet. Version 1 was underpowered, and had too much weight reduction for that reason. By version 4, the design had been debugged. With more powerful engines and structural fixes, the Comet 4 went into service and did OK. 46 Comet 4 aircraft were built. Last flight in 1997.
pinewurst•6mo ago
2011 if you count the Comet-derived Nimrod.
spankibalt•6mo ago
The Sud Aviation Caravelle is a sibling with a different engine configuration.
SoftTalker•6mo ago
I remember hearing that the square window cutouts in the original Comet concentrated stress in the corners and contributed to cracking. But Wikipedia seems to indicate that's not actually true. Nevertheless almost all pressurized aircraft now have round or oval window and door cutouts, or at least rounded corners.
hydrogen7800•6mo ago
I thought that too until I read this

>Many readers familiar with the Comet disasters might be wondering why, with this article drawing to its close, I have yet to utter the phrase “square windows.” But the truth is that “square windows” never had anything to do with the Comet crashes. The windows were not and never were square — in fact, you can see for yourself in the above image, which shows a Comet 1 window next to a modern Boeing 737 window. Can you tell which is which? You probably can, but not because one is any more “square” than the other.[0]

[0]https://admiralcloudberg.medium.com/neither-money-nor-manpow...

quietbritishjim•6mo ago
I've heard that counter-rumour before too but it never seems to make sense. The lengthy discussion by Admiral Cloudberg [1] seems to pin the blame on the corner of a window:

> De Havilland had calculated a maximum operating stress of 28,000 psi at the corners of the windows and doors, but investigators noted that this value was an average over an area of 2–3 square inches (13–19 square centimeters), meaning that in theory, highly localized stresses could be considerably greater. This “peak stress” could have been measured through the liberal application of strain gauges, but de Havilland had apparently elected not to attempt this, believing that any more precise measurements would be unreliable. Nevertheless, investigators measured it anyway, and from these data they calculated a localized peak stress at the window corners of up to 45,000 psi under normal pressurization conditions. Not only was this much greater than de Havilland’s predicted value, its relative proximity to the ultimate strength of the material (estimated to be 65,000 psi) produced an unfavorable stress ratio correlating to an expected fatigue life considerably below 10,000 cycles.

[1] https://admiralcloudberg.medium.com/neither-money-nor-manpow...

I think counter arguments come into one of two camps:

(1) when they replicated the problem in a pressure chamber at ground level it wasn't technically a window that failed but a "portal" (basically like a window but wires go through it instead of people looking out of it) - a pedantic technicality and not to say that all the failures in the air were for this same portal/window.

(2) The windows weren't don't have sharp corners anyway but rounded, not unlike some modern planes. True but you can see the failure was definely near a (rounded) corner.

Admittedly the Admiral Cloudberg article does seem to put more weight on the way the rivet holes were made than the angularity of the window corners. But it's still failing at a corner. I guess it depends how you look at it.

rwmj•6mo ago
Cool, my local aircraft museum. The square-windowed Comet was rotting in the open for many years but (as the article notes) has been restored. They also have a Comet flight deck which you can walk around. It has 5 seats on the flight deck (it really is huge!), including a flight engineer and a navigator.

Edit: flight deck photo on Wikipedia: https://en.wikipedia.org/wiki/De_Havilland_Comet#/media/File...

Other highlights of the museum are a fully restored Mosquito, and a Chipmunk (which will be nostalgic for RAF servicemen and cadets of a certain age).

erikig•6mo ago
The wing-integrated jets, while not the most efficient, maintainable or powerful, are the best looking piece of commercial jet engineering in my eyes. Composite winglets are a distant second.
buildsjets•6mo ago
Another DH106 Mk4C has been under restoration at the Museum of Flight restoration center in Everett, WA since 1995. I don't think that a single thing has been done to it since the outbreak of the pandemic in 2019. Allegedly they will be losing their lease in few years, no idea if they will do anything to complete the restoration before then.

https://www.museumofflight.org/exhibits-and-events/aircraft/...

http://www.dhcomet.com/_main/main.htm

betamaxthetape•6mo ago
Note that there is another Comet (4B variant, so one of the later ones) preserved at the National Collections Center [1] near Swindon. However it is not available to view [2].

[1] - https://en.wikipedia.org/wiki/Science_and_Innovation_Park#Na...

[2] - "[Some items] - including large aircraft - ... are therefore not featured on the tour." https://www.scienceinnovationpark.org.uk/visit-us/public-gui... (at the bottom, "Note on Large Aircraft")

zabzonk•6mo ago
I flew in a Comet 4 from Athens to Nicosia in Cyprus a couple of times when I was a kid, back in the 1960s. I must admit it felt to me a bit like getting into a Victorian railway carriage after getting off the then very modern Trident from Heathrow to Athens, but that may have been down to Olympic Airways.