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JetZero

https://www.jetzero.aero
72•lisper•1h ago•52 comments

Show HN: I mapped every US golf course – 16k+ courses, free, no signup

https://golfcoursebrowser.com/
43•rickmf•1h ago•7 comments

An ESP32 based plane radar for my desk

https://blog.ktz.me/esp32-plane-radar/
24•alexktz•1h ago•9 comments

Humans Haven't Stopped Evolving

https://www.harvardmagazine.com/research/harvard-human-evolution-genes-selective-pressure
11•ilamont•56m ago•3 comments

Stolen Buttons

https://anatolyzenkov.com/stolen-buttons
634•Gecko4072•5d ago•154 comments

Inflect-Micro-v2: complete voice in 9.36M parameters

https://huggingface.co/owensong/Inflect-Micro-v2
42•nateb2022•3h ago•3 comments

Systems and Delays

https://martin.janiczek.cz/2026/07/24/systems-and-delays.html
37•vinhnx•3h ago•10 comments

Clinical failure rates over the decades: yikes

https://www.science.org/content/blog-post/clinical-failure-rates-over-decades-yikes
70•EA-3167•5h ago•38 comments

Cloudflare's new AI traffic options for customers

https://blog.cloudflare.com/content-independence-day-ai-options/
62•alphabetatango•5h ago•40 comments

Rethinking Legal Education in the AI Era

https://www.law.uchicago.edu/news/ai-strategy-statement
26•jjwiseman•2d ago•1 comments

The new rules of context engineering for Claude 5 generation models

https://claude.com/blog/the-new-rules-of-context-engineering-for-claude-5-generation-models
202•mellosouls•7h ago•135 comments

Git rebase -I is not that scary

https://cachebag.sh/journal/interactive-rebasing/
37•vinhnx•3h ago•31 comments

GM Backs Sodium Ion Batteries for U.S. Grid Storage

https://spectrum.ieee.org/sodium-ion-battery-peak-energy
150•rbanffy•6h ago•58 comments

DeepSeek pause fundraise after comments on compute gap to US leaked (transcript) [pdf]

https://github.com/demo-zexuan/liang-wenfeng-investor-meeting-2026-7-22/blob/master/%E6%A2%81%E6%...
107•oliculipolicula•4h ago•68 comments

Running a 28.9M parameter LLM on an $8 microcontroller

https://github.com/slvDev/esp32-ai
106•boveyking•9h ago•24 comments

Show HN: What 180k words look like as a temporal knowledge graph (Oz series)

https://synaptale.com/graph?ch=100
8•ald0r•1h ago•0 comments

SIMD for Collision

https://box2d.org/posts/2026/07/simd-for-collision/
72•birdculture•3d ago•22 comments

LLM Usage in Debian: Three Proposals

https://www.debian.org/vote/2026/vote_002
106•zdw•8h ago•97 comments

Open-weight AI is having its Kubernetes moment

https://tobi.knaup.me/2026-07-25-open-weight-ai-is-having-its-kubernetes-moment/
335•tknaup•13h ago•270 comments

What if they are all wrong? (2020)

https://igorpak.wordpress.com/2020/12/10/what-if-they-are-all-wrong/
8•kkoncevicius•4d ago•2 comments

Producing ammonia and fertiliser using wind power in Morris, Minnesota

https://ammoniaenergy.org/articles/flexible-renewable-ammonia-demonstrator-now-operational-in-min...
107•gritzko•8h ago•70 comments

Alien World Chemistry Found Inside Meteorite That Struck New Jersey Home

https://www.seti.org/news/alien-world-chemistry-found-inside-meteorite/
9•spzx•2h ago•1 comments

Show HN: I made some transistor animations

https://brandonli.net/semisim/animations
144•stunningllama•1d ago•16 comments

GDID Windows – Cut the tracker that follows you even under VPN

https://korben.info/en/gdid-windows-cut-tracker-vpn.html
122•rfarley04•4d ago•87 comments

Memory Safety Absolutists

https://itsallaboutthebit.com/memory-safety-absolutists/
68•drogus•9h ago•87 comments

Turn And Face The Strange

https://fly.io/blog/kurt-scott-money-sprites/
159•subarctic•7h ago•117 comments

Zero roadkill as Amazon canopy bridges secure 15,000 crossings

https://news.mongabay.com/2026/07/zero-roadkill-as-amazon-canopy-bridges-secure-15000-crossings/
315•hn_acker•3d ago•96 comments

Show HN: Brolly, a plain-text weather forecast site

https://brolly.sh/forecast/RWFP2qW8
144•jsax•10h ago•45 comments

Did They Ghost You?

https://didtheyghostyou.com/
330•mooreds•7h ago•149 comments

Multicast TV Distribution on My Home Network

https://www.apalrd.net/posts/2026/isp_mcast/
47•mrngm•7h ago•12 comments
Open in hackernews

JetZero

https://www.jetzero.aero
71•lisper•1h ago

Comments

rgmerk•58m ago
I wish them well but a startup building an airliner seems like an utterly impossible task.
usef-•54m ago
On the plus side, the competition seems a bit lousy lately
divyekapoor•54m ago
If the numbers are what they claim. They’re going to make it.
DrewADesign•49m ago
Eh, if SpaceX did rockets… I wouldn’t be surprised if they could be very nimble compared to the big ones.
rgmerk•46m ago
The difference is that there establishment space launch companies were basically monopolies using ancient technology and processes. That’s not true for commercial aviation, which is subject to pretty relentless cost pressures.
DrewADesign•45m ago
Seems like that’s what a lot of people say about a lot of legacy businesses though when facing pressure from a startup. Obviously doesn’t always work, but sometimes!
dlcarrier•43m ago
From an engineering perspective, it's a solved task. Designing an airplane is on par with designing a suspension bridge.

From a regulatory perspective, the layers of bureaucracy needed to get approval to build a bridge has nothing on starting up an airline manufacturing company. Once you have a company with a history of approval, you can practically do what you want, but getting to that point is nearly impossible.

xnx•51m ago
Big screens are an OK workaround for no passenger windows, but they still have to contend with severe structural pressurization challenges, strict emergency evacuation rules, and incompatibility with current airport gates.
EGreg•50m ago
No passenger windows is the correct way to go. The screens can actually show anything, not just replace a window.
rezokun•47m ago
Infinite ads in econom
blowsand•43m ago
Scott Kirby has joined the chat
BobbyTables2•43m ago
True - unlike a car, it’s not like one could open a window in a plane.

Just hope they don’t make an “ad-free” window a premium upgrade…

Bolwin•16m ago
Jeez way to ruin of the few remaining joys of flying. Lock everyone in a tin can. You will experience reality through screens only and you will enjoy it
evolve2k•
giantfrog•50m ago
An airplane is not something I would personally want to beta test
dlcarrier•48m ago
A few of my Mom's uncles were test pilots. They're… an odd bunch.
DrewADesign•47m ago
The people they do that have a lot of experience and make a lot of money. Fortunately, most of the world doesn’t have the software business’ cavalier attitude about safety-related things being perfectly safe.
deadbabe•20m ago
If they offer free flights to places people want to go they will not have any shortage of testers.
TEHERET•45m ago
isn't this just the boeing flying wing
chasing•39m ago
Feels like no windows is almost a deal-breaker? No? Do humans handle small enclosed spaces with no way to look outside well? The mock-up image looks like a small two-or-three seat compartment, which seems like it would be awful. Maybe an open space would be less claustrophobic, but still. Imagining just a normal jetliner today with no windows feels... not great. And I'm not sure having a giant flat screen wrapped around me would solve the problem.
SilverSlash•37m ago
I don't mind no windows at all if they have "digital windows" as substitutes. You're already 40,000ft in the air I think windows aren't really gonna help your claustrophobia. Not like you can open the door and walk out for a bit.
chasing•31m ago
Maybe. I think people could survive it, sure. But I also wonder if there's a part of our lizard brain that just for safety's sake prefers to be able to see out of any small enclosed space we might find ourselves in. And that lizard brain is smart enough to know that a flat screen is fake. Again, I just think of flying in a plane today but with no windows and I, at least, am immediately squigged out.

I also feel like a lot of modern air travel is designed around making something that's highly unnatural and inherently terrifying into something palatable for most people. I'm not talking about actual safety, but the perception of safety. Which isn't exactly a logic thing. More about keeping that lizard brain from freaking out too hard.

userbinator•3m ago
I get motion sickness when sitting sideways or backwards on a car. People tend to become nauseous when they sense motion but don't see it. Even the small amount of lag that a "digital window" would likely have, will make things much worse.
calmbonsai•37m ago
Not this again. They’ve clearly hired a new PR firm

Suffice it to say, from stable aeronautics at-edge, jet way footprint efficiency, ground support efficiency, airframe pressurization, cargo & passenger logistics, lifespan, and certification, there are many, many reasons “tube + wings” is the dominant airframe architecture for all non-military aircraft.

nine_k•17m ago
Halving the fuel consumption may be worth the trouble with all above.

Novel things always look unviable. First cars, first planes, first EVs all looked like dubious gimmicks sorely lacking the required infrastructure.

johnwheeler•33m ago
looks expensive
csmoak•32m ago
Interesting choice to build in Greensboro. That's also where Boom chose to build a factory and it looks massive as you leave the airport. The plan for this company's factory looks like it will be significantly larger.
jmward01•25m ago
I wish them all the luck in the world. Aviation is in a massive rut and needs bold new designs and innovation. That being said, what makes this company different from the others that have come before? What makes their path to success more likely? The problem is likely less the technology and more the decade(s?) of burning money with no ability to sell anything because you have to certify everything. That cliff is so bad we got the 737 max instead of a real new design. In an industry where new tech should be bringing us new commercial designs yearly we are instead getting very minor iterations because even the massive players out there can't afford to bring a 'new' design to the table. I -really- want to see this succeed. Good luck.
eightysixfour•11m ago
> Aviation is in a massive rut and needs bold new designs and innovation.

Why does it need bold new design and innovation? More people (can afford to) fly every year, more safely, and with broadly more consistency than they ever have. The success of the commercial aviation industry as a whole is breathtaking.

mrandish•25m ago
Looks a bit like Thunderbird 2. I approve.
wxw•24m ago
Haven't heard of this company before. A good synopsis I dug up in their fundraising announcement:

> JetZero, co-founded in 2020 by start-up veteran Tom O’Leary and aerospace legend Mark Page, is developing the world’s first commercial all-wing airplane. With up to 50% better fuel efficiency and lower carbon emissions compared to existing commercial airliners, JetZero's Z4 will offer the aviation industry a clear path to achieving its 2050 net-zero goals while also elevating the passenger experience. Working alongside the US Air Force, NASA, and the FAA, and backed by decades of investment and research into blended wing technology. JetZero looks to enter commercial service in the early 2030s.

Where an "all-wing" airplane is, kudos to Gemini,

> one that merges the main body and wings into a single lifting surface. This can reduce drag, lower fuel burn, and expand interior space.

freecook•24m ago
I love it
sergiotapia•20m ago
It would be wonderful if the future looks more like the future. The world today materially looks a lot like 2006. Go watch some music videos or recordings of people out and about.

Very exciting promises and design here!

Stevvo•9m ago
[delayed]
JumpCrisscross•7m ago
What is their engine? An airframe without an engine is, best case, a drone programme.
47m ago
Be nice to not have to deal with that one guy who didn’t close their window when it’s dark cabin time on long multi-Timezone flights; leaving the sun to blare in when you’re really trying to get some shut eye.
Carrok•44m ago
Just bring a sleep mask.
briandw•44m ago
In a conventional aircraft you sit on the roll axis. In a blended wing body design you can have off-axis motion that can increase motion sickness. Rather than rolling with the longitudinal axis of the aircraft, you move up and down when the aircraft banks. Not necessarily a deal breaker, but an additional difference to deal with.
deadbabe•22m ago
Just gimbal the seats.
JumpCrisscross•3m ago
> In a blended wing body design you can have off-axis motion that can increase motion sickness

This sounds fixable in avionics and training. (Shallow, gradual banks.)

azza2110•38m ago
No way. Looking out the window is one of the joys of flying.

Picking out my house, seeing tiny cars on a remote highway, etc. Even 100+ MP cameras and high resolution screens won't come close to that level of detail.

carodgers•33m ago
Also the screen sizes they are showing have got to be exceedingly heavy.
hankbond•15m ago
I know every gram is accounted for in aerospace but OLEDs weighs so little, especially if you can just heatsink into existing metal structures nearby.
colordrops•28m ago
I'm fine with not looking out of the window if the seat is comfortable and I can get to the bathroom more easily. And I'm sure I'm not the only one. Window enjoyers such as yourself will still be able to get the window seats.
articulatepang•26m ago
But are you willing to pay 10-20% more for that joy? I personally would rather pay less money to fly, not get to see out the window, and spend those dollars on, say, a fancier meal at the destination. Or to have an extra day at the destination if my trip length is money-bound rather than time-bound. Or put those dollars towards an extra hour of childcare. Or … I have so many uses for dollars that give me more utility than “see out the window while flying”.

Where that number comes from: they claim 50% reduction in fuel consumption, which sounds doubtful to me, and fuel is about a third of flight costs, and I’m making some generous assumptions around perfect competition.

karmajunkie•12m ago
it’s cute you think that’s going to show up in lower ticket costs instead of the company’s profit margin.
bruce511•12m ago
Only a small fraction of current flyers get window seats. And the view from the isle seat or middle row is non-existent.

And that's before we talk about night flights when there's nothing to see, flights over water when there's nothing to see and so on.

So yes, I'm sure some people like windows. But the majority have demonstrated that they're just fine flying without them.

TEHERET•34m ago
the biggest challenge would likely be training pilots to a new cockpit and flight profile
thadk•20m ago
Would dropping airplane windows lower radiation exposure somewhat, especially on those polar routes?
nitinreddy88•20m ago
Actually no windows doesn't even pass Passenger Flight rules and regulations. In Asia, its mandatory that windows should be opened, visible during takeoff and landing.