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Ask HN: What are you using to generate logos?

1•slow_turtle3•48s ago•0 comments

Google is baking Gemini AI into Chrome

https://www.pcworld.com/article/2788839/project-mariner-google-is-baking-gemini-ai-into-chrome.html
1•iio7•1m ago•0 comments

All Embedding Models Learn the Same Thing

https://twitter.com/jxmnop/status/1925224612872233081
1•MrBuddyCasino•6m ago•0 comments

An autostereogram ("Magic Eye") solver

https://huggingface.co/spaces/thearn/magiceye-solver
1•thearn4•6m ago•1 comments

Ask HN: Using LLMs for Better Design in Front End Development?

1•lukis_mx•8m ago•0 comments

Show HN: RepublishAI – WordPress AI Agents

https://republishai.com/
1•domid•8m ago•0 comments

Apple was Captured by China [video]

https://www.youtube.com/watch?v=NAj9zB4vaZc
3•ViktorRay•9m ago•0 comments

Big US cities are sinking. Which city is sinking fastest?

https://www.usatoday.com/story/news/nation/2025/05/08/big-us-cities-are-sinking-which-city-is-sinking-fastest/83492473007/
2•gmays•9m ago•0 comments

Rocky Linux 10 Will Support RISC-V

https://rockylinux.org/news/rockylinux-support-for-riscv
2•fork-bomber•10m ago•0 comments

Show HN: Gestiona tus rentas por día (Inflables, botargas,)

https://rent-ejej.onrender.com
1•oscarolbe•10m ago•0 comments

Show HN: High-resolution surface analysis with Lidar data

https://github.com/r-follador/delta-relief
1•folli•11m ago•0 comments

The Long Way into Open Source

https://opensource.org/maintainers/kgodey
2•kgodey•14m ago•0 comments

Make Your Code Sound Beautiful

https://code-to-music-ow50.onrender.com
3•rk3000•16m ago•1 comments

Campaign Against Avelo Airlines over ICE Deportation Flights Sets Off Fight

https://www.nytimes.com/2025/05/16/business/deportation-flights-avelo-airlines-billboard.html
1•pavel_lishin•16m ago•0 comments

The Fastest Native Hacker News Reader Built with Rust

http://fastHNreader.com
1•coolwulf•18m ago•2 comments

GPU Price Tracker

https://www.unitedcompute.ai/
1•RolandTheDragon•19m ago•1 comments

Is Microsoft replacing coders with AI, or is a Big Tech hiring boom coming?

https://aboard.com/ms-blurred-microsofts-ai-path-gets-slippery/
1•gbseventeen3331•21m ago•0 comments

Lambda the Ultimate AI Agent

https://www.boundaryml.com/blog/lambda-the-ultimate-ai-agent
3•aaronvg•23m ago•0 comments

Will AI Tell Lies to Save Sick Children? Litmus-Testing AI Values Prioritization

https://arxiv.org/abs/2505.14633
1•badmonster•23m ago•0 comments

China to donate $500M to WHO, stepping into gap left by U.S.

https://www.washingtonpost.com/world/2025/05/21/china-who-donation-500-million/
5•buuu•23m ago•0 comments

Microsoft's AI Vision: An Open Internet Made for Agents

https://every.to/chain-of-thought/microsoft-s-ai-vision-an-open-internet-made-for-agents
1•rbanffy•28m ago•0 comments

Show HN: I Built a Simple Prompt Manager to Organize AI Prompts with Windsurf

https://prompt-manager.com
1•gduale•29m ago•0 comments

Ask HN: Why did the godfather of AI retire given that AI can help you code?

1•amichail•29m ago•0 comments

Monitoring Claude Code with OTel / Datadog

https://ma.rtin.so/posts/monitoring-claude-code-with-datadog/
1•martin_•30m ago•1 comments

Show HN: Confidential computing for high-assurance RISC-V embedded systems

https://github.com/IBM/ACE-RISCV
10•mrnoone•30m ago•0 comments

FriendFeed was shut down on April 9, 2015

http://blog.friendfeed.com/
1•scapecast•32m ago•1 comments

PostgreSQL Anonymizer 2.1: Blurring Images

https://www.postgresql.org/about/news/postgresql-anonymizer-21-blurring-images-3061/
1•thunderbong•33m ago•0 comments

Chatbots Trigger Guardrails Differently Based on Your Age, Gender, and Fandom

https://www.dbreunig.com/2025/05/21/chatgpt-heard-about-eagles-fans.html
1•dbreunig•34m ago•0 comments

Nuclear Propulsion in Space [video]

https://www.youtube.com/watch?v=eDNX65d-FBY
3•billybuckwheat•35m ago•0 comments

Re: EPA Information Request Letter to Make Sunsets, Inc

https://cdn.shopify.com/s/files/1/0685/0042/2976/files/epasent.pdf?v=1747419131&trk=feed-detail_comments-list_comment-text
2•ssuds•39m ago•0 comments
Open in hackernews

'Turbocharged' Mitochondria Power Birds' Epic Migratory Journeys

https://www.quantamagazine.org/turbocharged-mitochondria-power-birds-epic-migratory-journeys-20250519/
73•rbanffy•6h ago

Comments

parpfish•4h ago
It’s interesting how “turbo” has had so much semantic drift that people don’t even know it’s a specific component in an engine. They just think it means “fast”. Wouldn’t be surprised to eventually see a “turbo” trim levels for EVs someday.
neogodless•4h ago
https://finder.porsche.com/us/en-US/details/porsche-macan-tu...

Too late.

tim333•2h ago
Although that is an electric equivalent of an actual turbo car rather than just trim.
neogodless•2h ago
Well, the Taycan is electric only, and has a Turbo trim!

https://www.porsche.com/usa/models/taycan/taycan-models/tayc...

m3kw9•4h ago
Was gonna say, do they know how turbos work?
762236•4h ago
With the right level of abstraction, we can say that there's only one of four fundamental forces generating the birds' and engine work, electromagnetism, and so maybe can work a relationship about turbos in that way.
kridsdale1•1h ago
Flight relies on gravity. And I wouldn’t want to be a bird experiencing a sudden loss of the Strong or Weak force.
CGMthrowaway•4h ago
In fairness, they put "turbocharged" in quotes.
jchw•4h ago
Using "turbocharged" as a metaphor for something being made faster seems reasonable enough to me. Not all engines have turbochargers, installing one makes it perform better by improving combustion, profit? Of course I'm not a car person so my understanding of an ICE is pretty surface level, but it seems like a decent metaphor.

I'm not sure most people knew what a turbocharger was to begin with.

nh23423fefe•4h ago
but thats the semantic drift right?

imagine if i said something like, "after removing all extraneous weight and safety features, my car has been turbocharged."

kinda nonsensical imo, if someone said this i'd just assume they lacked a thesaurus

neogodless•4h ago
> The scientists found that birds experiencing the “migration” condition had more mitochondria, and that those mitochondria had a greater capacity to make energy (opens a new tab), compared to those in the “nonmigratory” birds. This suggested that during migration, the birds’ mitochondria are “turbocharged,” Coulson said.

So this isn't too terrible. It's a bit more like overclocking than turbocharging.

A typical ICE turbocharger is a recycler - the exhaust gases are used to spin the turbo which in turn forces air/oxygen into the combustion chamber (cylinder) at a faster rate, which can be tuned alongside fuel intake for increased power.

Of course, this tends to be harder on the engine and must be accounted for in engine design. It's not free, and you don't want every engine to be turbo.

And rather than be good for endurance it's really good for bursts of power.

hinkley•3h ago
Rocket engines have turbochargers that run before primary combustion. Just to make things more confusing.
neogodless•3h ago
Presumably not off exhaust?

In automobiles, if they are powered by something other than exhaust (e.g. electricity) are called "superchargers."

Ah quick web search, I believe they do run off exhaust using "pre-burners" that burn before the burn.

hinkley•2h ago
They make their own exhaust in a little combustion chamber and use it to blast fuel into the primary at ridiculous volumes. SpaceX is unique in that none of the pre burn is wasted. It all ends up back in the bell instead of leaving out the side. The soviets invented it but it never made it to production. I think it flew once and exploded.
mulmen•59m ago
I’m not sure I would say the exhaust is wasted just because it doesn’t go into the main combustion chamber. The exhaust of the turbo fuel pump on one Saturn V F-1 engine provides more thrust than an F-16 in afterburner.

The Raptor is the first operational Full Flow Staged Combustion rocket engine. https://en.m.wikipedia.org/wiki/Staged_combustion_cycle#Full...

zardo•3h ago
> Not all engines have turbochargers, installing one makes it perform better by improving combustion, profit?

There are many ways you can make an engine faster. To me the choice of "turbocharger" implies some parallel to the turbochargers actual function, extracting energy from a waste product to process input material at a higher rate.

hinkley•3h ago
“Blown” is often more accurate but it sounds dirty.
nh23423fefe•4h ago
kinda double weird when ATP synthase is said to be a molecular turbine.

we put a turbo in your turbo

hinkley•3h ago
Not enough people are old enough to get the more accurate analogy which would be multiple carburetors.
kridsdale1•1h ago
One of my all time favorite molecules. Up there with Actin and DNA itself.

Biology is crazy, man.

SoleilAbsolu•4h ago
Haha as a car enthusiast, whenever I see "turbo" my next thought is always the inherent downside, "turbo lag" (the non-zero time it takes for the turbo to actually kick in)!
hinkley•3h ago
I’m a little surprised we don’t have mild hybrids with blowers on them.

Split the turbocharger into a recovery unit, genset, a supercharger and a battery and no more lag.

MadnessASAP•3h ago
Weight, size, cost, and loss of efficiency.

There are better things you could do to increase engine performance that are lighter, smaller, and cheaper.

Also of you really really want to defeat turbo lag. The easiest way is to seriously delay ignition timing so the fuel is still burning as it enters the turbine leaving more energy for it to extract and therefore staying spooled up.

edit: Not to say your idea wouldn't work, indeed I'd love to see it. Its just not a practical solution. Not that In ever let practicality stop me.

Edit to the edit: https://dieselnet.com/tech/engine_whr_turbocompound.php

https://www.eere.energy.gov/vehiclesandfuels/pdfs/deer_2004/...

So, ya know, disregard everything above.

hinkley•2h ago
There’s been talk for years of just scavenging energy from the exhaust for hybrid drivetrains. To power the peripherals if nothing else.

Part of it is that there’s another reason besides a turbo to have a little extra energy left in the exhaust: thermal catalysis of noxious chemicals in the exhaust flow. So there’s a bit of unburned fuel going to the cat for emissions control and people have wondered if we can take some of it back after the converter. For a while every time there was a breakthrough in solid state heat recovery someone mentioned vehicle exhaust.

xeonmc•18m ago
So like the MGU-H? Or the new always-stoichiometric 911?
gherkinnn•3h ago
You're behind the times, turbo has drifted (heh) far in to meaning 'fast' of sorts:

- https://en.wikipedia.org/wiki/Turbo_Pascal

- https://www.specialized.com/il/en/turbo-levo-4-pro/p/4218703...

- https://turbo.hotwired.dev (Drifts right back to turbo charger, but using one as the logo)

Or it can be used to amplify as in "Turbo Clippy":

https://news.ycombinator.com/item?id=42865194

hinkley•3h ago
Don’t forget the turbo button, which is almost as old as turbo pascal.
jonplackett•2h ago
I’m curious did anyone here have a turbo button that actually did speed up performance? My 386SX had a turbo button but all it did was turn on a light.
acdha•2h ago
It varied but the older ones definitely had a visible impact if you had something CPU bound running. There was an old helicopter-themed game my dad had which would start running impossibly fast because everything was based on cycle counts rather than actual time.
hinkley•2h ago
I was disappointed to discover that the screen scrolling in Warcraft III was too fast to make large maps usable. I was so excited to find that game used and I couldn’t play it in the early 00’s.
hinkley•2h ago
For most of us it was a misnomer because it was a lag button not a turbo button. It defaulted to on. If you turned it off it would make the machine slower, allowing certain programs to run properly instead of too fast for humans.

But we all have stories of a friend whose machine was slow because they hit the button not understanding what it does. For them it did become the turbo button.

ajb•4h ago
It seems like mitochondria research is going to have a lot of impact over the next decades. For example, apparently some people with fatigue diseases have damaged mitochondria (eg, Dianna Cowern aka ThePhysicsGirl who has had a terrible long COVID illness)
parpfish•4h ago
mitochondria is the powerhouse of the fatigue research
Aurornis•3h ago
> apparently some people with fatigue diseases have damaged mitochondria (eg, Dianna Cowern aka ThePhysicsGirl who has had a terrible long COVID illness)

In these conditions it’s more likely that mitochondrial dysfunction is part of the chain of events leading to the fatigue, not necessarily the root cause of the condition.

Also I have to tread very lightly on this topic to avoid giving the wrong idea: Be a little cautious when taking statements about Long COVID and ME/CFS from individuals, as it’s not uncommon for people to present hypotheses as more concrete than the research suggests. With all due respect to Dianna Cowern, some of her past updates on the topic have blurred the lines between conjecture and fact and she’s collaborated with at least one Long COVID / ME/CFS organization that is known for having members that are sometimes less than scientific about their personal theories. It’s a very difficult and complex topic and it can be hard for patients to stay on top of all the different directions the research is looking.

loa_in_•2h ago

    In these conditions it’s more likely that mitochondrial dysfunction is part of the chain of events leading to the fatigue, not necessarily the root cause of the condition.
Can you elaborate, what is this based on?
treyd•49m ago
To rephrase, it's possible she already had an underlying mitochondrial dysfunction that was not caused by COVID, but then when she caught the virus it triggered some symptomatic metabolic dysfunction that's persisting even after she cleared the virus. This kind of thing is known to happen in some people with some viral diseases, but it's poorly understood.
CooCooCaCha•2h ago
What would be the root cause then?
kridsdale1•1h ago
More grant funding needed to answer.
CooCooCaCha•2h ago
I really hope so.

I went through a bout of cronic fatigue after a nose surgery that lasted ~4 months and it was utter hell. It really feels like the life has been drained from your body and on top of that, random things go wrong with your body seemingly every day. One day you’ll have strange stomach bloating and feel nauseous, another day you’ll barely be able to stand without fainting, another day you’ll feel heart palpitations, etc.

What made it so much harder to deal with was it’s an invisible illness. Nobody knows about it, and it generally doesn’t show up on tests. The only test that showed anything significant was a tilt-table test where I fainted in the middle of it.

Otherwise I went to the hospital multiple times because I thought I was having a heart attack, I’ve had doctors get angry at me for “wasting their time”, thinking I’m faking it, and friends/family not understanding.

Not to mention having to pretend everything was fine at work. There were times I had to lie down on the bathroom floor to keep myself from fainting or due to heart palpitations. Luckily we had clean, private bathrooms.

As I said, I slowly got better over the course of months, and not everyone is that lucky unfortunately. Honestly if I didn’t get better I probably wouldn’t be here to write this…

Not to trauma dump but a lot of people don’t know about these illnesses or think they’re fake so I wanted to relay my experience.

aurizon•4h ago
Some longevity researchers could investigate the DNA sequence of the mitochondrial DNA(a discrete object) to see if there is a length of life correlation = CRISPR edit towards longer life. It would be easily explored in mice and then there could be some edits in an egg very soon after fertilisation to replace that mitochondrial DNA in that egg to see the result. Might be a hard task to find/replace all these mitochondria and maintain life? In a single mouse egg = how many are there? A search finds this interesting paper = a good rabbit hole indeed. It is an area of intense research. https://pmc.ncbi.nlm.nih.gov/articles/PMC4684129/
reubenswartz•11m ago
There are ~100,000 mitochondria in a human egg cell-- I think that's a pretty tall order.
jonplackett•2h ago
Would be interesting if there’s some trigger hormone or other mechanism that triggers turbo mode. It’ll be being used in the Tour de France in no time if so.

(FYI I’m not a biologist and have no idea what I’m talking about)

xg15•1h ago
Also if this is something that is specific to the birds' mitochondria or could be triggered in mitochondria of any species.
kridsdale1•1h ago
We’ve been evolutionarily divergent for at least a hundred million years so it seems slim, but not zero.

Also don’t forget that mitochondria have their own genome and that it’s undeniable that the avian mito-dna lineage would also experience Darwinian (haha, apt) forces spurring the developments of these capabilities that our ancestors didn’t go through.

mulmen•1h ago
> We’ve been evolutionarily divergent for at least a hundred million years so it seems slim, but not zero.

But how much has our mitochondria differed in that time?

sigmaisaletter•37m ago
"With few exceptions, all animal mitochondrial genomes contain the same 37 genes: two for rRNAs, 13 for proteins and 22 for tRNAs. (...) the comparison of animal mitochondrial gene arrangements has become a very powerful means for inferring ancient evolutionary relationships, since rearrangements appear to be unique, generally rare events that are unlikely to arise independently in separate evolutionary lineages."

Source: Boore (1999) Animal mitochondrial genomes. Nucleic Acids Res. 1999 Apr 15;27(8):1767–1780

Hyperlink: https://pmc.ncbi.nlm.nih.gov/articles/PMC148383/

i.e. mtDNA changes a lot less than our "normal" cell nucleus nDNA

ChrisArchitect•2h ago
Related:

Mitochondria Are More Than Powerhouses–They're the Motherboard of the Cell

https://news.ycombinator.com/item?id=44052909

kridsdale1•1h ago
One of the interesting findings in the article’s linked paper was that vitamin E is an effective dietary antioxidant (in birds) but only if they do 2 hours of cardio per day.