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How Scientific Empires End

news.ycombinator.com Ross Andersen 2025-12-21 06:47:15

Roald Sagdeev has already watched one scientific empire rot from the inside. When Sagdeev began his career, in 1955, science in the Soviet Union was nearing its apex. At the Kurchatov Institute in Moscow, he studied the thermonuclear reactions that occur inside of stars. A few lab tables away, Andrei Sakharov was developing the hydrogen bomb. The Soviet space program would soon astonish the world by lofting the first satellite, and then the first human being, into orbit. Sagdeev can still rememb

Topics: american sagdeev science scientific scientists

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St. Paul, MN, was hacked so badly that the National Guard has been deployed

arstechnica.com Unknown 2025-12-20 17:47:37

Hacking attacks—many using ransomware—now hit US cities every few days. They are expensive to mitigate and extremely disruptive. Abilene, Texas, for instance, had 477 GB of data stolen this spring. The city refused to pay the requested ransom and instead decided to replace every server, desktop, laptop, desk telephone, and storage device. This has required a "temporary return to pen-and-paper systems" while the entire city network is rebuilt, but at least Abilene was insured against such an atta

Topics: abilene attack carter city mitigate

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Ferroelectric helps break transistor limits

news.ycombinator.com Katherine Bourzac 2025-12-18 23:02:49

Integrating an electronic material that exhibits a strange property called negative capacitance can help high-power gallium nitride transistors break through a performance barrier, say scientists in California. Research published in Science suggests that negative capacitance helps sidestep a physical limit that typically enforces trade-offs between how well a transistor performs in the “on” state versus how well it does in the “off” state. The researchers behind the project say this shows that n

Topics: capacitance gan gate negative says

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A short post on short trains

news.ycombinator.com Shaked Koplewitz 2025-12-22 10:15:07

Epistemic status: Main part is well-supported but may have some minor errors. The parts about potential future lines are inherently speculative. Small Train is Good Train A while ago, I wrote about how elevated trains are the greatest urbanism cheat code, increasing the amount of track miles you can build per dollar (or per year) by a factor of 2-4. And while I don’t have anything else on that order of magnitude, I do have one more easy 20-50% gain: Run shorter trains. The basic idea is simpl

Topics: build capacity jersey small trains

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St. Paul, MN was hacked so badly that the National Guard has been deployed

arstechnica.com Unknown 2025-12-22 17:47:37

Hacking attacks—many using ransomware—now hit US cities every few days. They are expensive to mitigate and extremely disruptive. Abilene, Texas, for instance, had 477 GB of data stolen this spring. The city refused to pay the requested ransom and instead decided to replace every server, desktop, laptop, desk telephone, and storage device. This has required a "temporary return to pen-and-paper systems" while the entire city network is rebuilt, but at least Abilene was insured against such an atta

Topics: abilene attack carter city mitigate

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Scientists Say New Government Climate Report Twists Their Work

wired.com Molly Taft 2025-12-22 17:31:16

A new report released yesterday by the Department of Energy purports to provide “a critical assessment of the conventional narrative on climate change.” But nine scientists across several different disciplines told WIRED that the report mishandled citations of their work: by cherrypicking data, misrepresenting findings, drawing erroneous conclusions, or leaving out relevant context. This report was introduced on the same day that the EPA announced it would seek to roll back the endangerment fin

Topics: climate doe report science wired

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Hackers stole Social Security numbers during Allianz Life cyberattack

techcrunch.com Zack Whittaker 2025-12-23 03:00:08

Hackers who breached U.S. insurance giant Allianz Life earlier this month stole reams of customer Social Security numbers, according to notifications filed with several U.S. states and seen by TechCrunch. Allianz Life disclosed the July 16 breach this past weekend, confirming to TechCrunch the unidentified hackers stole the personally identifiable information belonging to the “majority” of its 1.4 million customers, as well as financial professionals and some Allianz Life employees. The compan

Topics: allianz hackers life said social

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Ultra-Rapid Vision in Birds

news.ycombinator.com Jannika E. Boström 2025-12-19 16:32:46

Flying animals need to accurately detect, identify and track fast-moving objects and these behavioral requirements are likely to strongly select for abilities to resolve visual detail in time. However, evidence of highly elevated temporal acuity relative to non-flying animals has so far been confined to insects while it has been missing in birds. With behavioral experiments on three wild passerine species, blue tits, collared and pied flycatchers, we demonstrate temporal acuities of vision far e

Topics: birds hz light species temporal

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Making Roman concrete produces as much CO2 as modern concrete

arstechnica.com Unknown 2025-12-23 08:41:33

Builders in ancient Rome used a special kind of ancient concrete to construct their aqueducts, bridges, and buildings. But is Roman concrete more sustainable than the Portland cement used in today's concrete? The answer is more nuanced than one might think, according to a new paper published in the journal iScience. Roman concrete produces as much CO 2 as modern methods, but fewer air pollutants. As we've reported previously, like today's Portland cement (a basic ingredient of modern concrete),

Topics: ancient cement concrete portland roman

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Battlefield 6 will cost $70 as EA avoids $80 game pricing – for now

techspot.com Rob Thubron 2025-12-23 12:08:00

A hot potato: It looks as if the consumer pushback against $80 becoming the new standard price for video games is having an effect. After Microsoft backtracked on plans to charge this amount for The Outer Worlds 2 and other new titles, EA has now said it won't be introducing the new baseline for AAA titles – at least "not at this stage." It means that the upcoming Battlefield 6 will be priced at the usual $70. Speaking during a Q1 earnings call (via IGN), EA CEO Andrew Wilson responded to an in

Topics: 70 80 ea price pricing

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Launch HN: Lucidic (YC W25) – Debug, test, and evaluate AI agents in production

news.ycombinator.com Unknown 2025-12-23 17:54:02

Hi HN, we’re Abhinav, Andy, and Jeremy, and we’re building Lucidic AI ( https://dashboard.lucidic.ai ), an AI agent interpretability tool to help observe/debug AI agents. Here is a demo: https://youtu.be/Zvoh1QUMhXQ. Getting started is easy with just one line of code. You just call lai.init() in your agent code and log into the dashboard. You can see traces of each run, cumulative trends across sessions, built-in or custom evals, and grouped failure modes. Call lai.create_step() with any metad

Topics: agent agents ai lucidic started

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Minnesota activates National Guard as cyberattack on Saint Paul disrupts public services

techcrunch.com Zack Whittaker 2025-12-23 17:50:47

Minnesota Gov. Tim Walz has activated the state’s National Guard following a cyberattack on the state’s capital, Saint Paul. City officials have not yet disclosed the nature of the cyberattack, but the July 25 breach continues to disrupt city operations and some public services. Saint Paul is one of the largest cities in the U.S. with more than 300,000 residents, and is the latest in a list of major cities targeted by hackers and ransomware gangs in recent years. In a statement on Tuesday, Wal

Topics: city national paul said saint

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Watch and learn, Samsung: This Galaxy Ring competitor now predicts your chances of falling sick

androidauthority.com Unknown 2025-12-24 03:00:43

Kaitlyn Cimino / Android Authority TL;DR Circular’s smart ring is getting a new Immunity Index that measures your defense against diseases. It accounts for your vitals and gives you a rating on a scale of 0–8. The feature is rolling out to the companion app for the first-gen Circular Ring and will be available for the Ring 2, which is expected to be available soon. Even though the smart ring market is still niche, the entry of big players like Samsung with its Galaxy Ring has set it into mot

Topics: circular features immunity metrics ring

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I launched 17 side projects. Result? I'm rich in expired domains

news.ycombinator.com Unknown 2025-12-24 03:15:35

I think I'm officially a side project collector. I've had it all: A SaaS for freelancers... that I never had time to finish because I'm a freelancer. A revolutionary AI tool that I abandoned as soon as GPT-4 came out. And the famous "anti-social media social network" (spoiler: it was just me). I buy a domain name → I code for 3 all-nighters → I lose interest → I start again. My Google Domains look like a graveyard of unfinished dreams. But honestly, I've never learned so much, nor enjoyed

Topics: abandoned ai came social ve

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Show HN: MoebiusXBIN – ASCII and text-mode art editor with custom font support

news.ycombinator.com Unknown 2025-12-24 03:11:06

UPDATE Summer 2025: I've released a new version of Moebius XBIN! This guide is completely rewritten for it. MoebiusXBIN MoebiusXBIN is an ASCII & text-mode art editor for MacOS, Linux and Windows, with support for custom fonts and colors. Download To download, click the link below and choose the package suitable for your OS. Download the latest packages from Github If you have suggestions or find any bugs let me know! You can email me at [email protected] or make an issue at the Github p

Topics: art ascii custom font fonts

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Survey of 1,000 Experts Shows Quantum Physicists Still Can’t Agree on Anything

gizmodo.com Gayoung Lee 2025-12-24 05:00:10

In July 1925—exactly a century ago—famed physicist Werner Heisenberg wrote a letter to his equally famous colleague, Wolfgang Pauli. In it, Heisenberg confesses that his “views on mechanics have become more radical with each passing day,” requesting Pauli’s prompt feedback on an attached manuscript he’s considering whether to “complete…or to burn.” That was the Umdeutung (reinterpretation) paper, which set the foundation for a more empirically verifiable version of quantum mechanics. For that r

Topics: answers mechanics physicists quantum survey

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After 100 Years of Quantum Mechanics, Physicists Still Can’t Agree on Anything

gizmodo.com Gayoung Lee 2025-12-24 17:00:10

In July 1925—exactly a century ago—famed physicist Werner Heisenberg wrote a letter to his equally famous colleague, Wolfgang Pauli. In it, Heisenberg confesses that his “views on mechanics have become more radical with each passing day,” requesting Pauli’s prompt feedback on an attached manuscript he’s considering whether to “complete…or to burn.” That was the Umdeutung (reinterpretation) paper, which set the foundation for a more empirically verifiable version of quantum mechanics. For that r

Topics: answers mechanics physicists quantum survey

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YouTube to be included in Australia's teen social media ban

feeds.bbci.co.uk Unknown 2025-12-24 18:24:49

YouTube to be included in Australia's teen social media ban YouTube - owned by Google - had argued it shouldn't be blocked for children as the platform "offers benefit and value to younger Australians": "It's not social media," it said in statement on Wednesday. Under the ban, teenagers will still be able to view YouTube videos but will not be permitted to have an account, which is required for uploading content or interacting on the platform. The video sharing site was set to be excluded fro

Topics: ban children media social youtube

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ACM Transitions to Full Open Access

news.ycombinator.com Unknown 2025-12-24 21:17:58

ACM's Transition to Full Open Access: A New Era for Computing Research For more than seven decades, ACM has played a pivotal role in advancing computing research, fostering collaboration, and disseminating knowledge through its world-class Digital Library, influential publications, and premier conferences. In a significant step to broadening access to computing research, ACM is transitioning to a fully Open Access (OA) publishing model by the end of 2025. This bold move marks a pivotal moment

Topics: access acm open pricing research

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Elements of System Design

news.ycombinator.com Unknown 2025-12-24 21:44:58

Elements of System Design System design is often taught through domain-specific solutions specific to particular domains, such as databases, operating systems, or computer architecture, each with its own methods and vocabulary. While this diversity is a strength, it can obscure cross-cutting principles that recur across domains. This paper proposes a preliminary taxonomy of system design principles distilled from several domains in computer systems. The goal is a shared, concise vocabulary that

Topics: acm design example principles systems

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Placing Functions

news.ycombinator.com Yoshua Wuyts 2025-12-22 23:36:24

placing functions — 2025-07-08 What are placing functions? About a year ago I observed that in-place construction seems surprisingly simple. By separating the creating of the place in memory from writing the value to memory, it’s not that hard to see how we can turn that into a language feature. So about six months ago, that’s what I went ahead and did and created the placing crate: a proc-macro-based prototype for “placing functions”. Placing functions are functions whose return type is con

Topics: cat function functions placing self

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AI in Wyoming may soon use more electricity than state’s human residents

arstechnica.com Unknown 2025-12-25 08:24:16

On Monday, Mayor Patrick Collins of Cheyenne, Wyoming, announced plans for an AI data center that would consume more electricity than all homes in the state combined, according to the Associated Press. The facility, a joint venture between energy infrastructure company Tallgrass and AI data center developer Crusoe, would start at 1.8 gigawatts and scale up to 10 gigawatts of power use. The project's energy demands are difficult to overstate for Wyoming, the least populous US state. The initial

Topics: electricity project state twh wyoming

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Delta Engineered a Pricing System That Sorts You by Economic Value

news.ycombinator.com Unknown 2025-12-25 11:30:40

Delta's New AI-Powered Pricing Strategy Delta Air Lines is embarking on a bold experiment in airfare pricing. At a recent investor presentation, the airline announced plans to expand its use of artificial intelligence for setting ticket prices to cover 20% of its U.S. domestic flights by the end of 2025. This move comes after limited tests last year (affecting ~1% of fares) and a current rollout on about 3% of tickets, with early results described as "amazingly favorable" for revenue. Delta is

Topics: ai airlines delta price pricing

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Minnesota activates National Guard after St. Paul cyberattack

bleepingcomputer.com Unknown 2025-12-25 22:58:19

Minnesota Governor Tim Walz has activated the National Guard in response to a crippling cyberattack that struck the City of Saint Paul, the state's capital, on Friday. The city is currently working with local, state, and federal partners to investigate the attack and restore full functionality, and says that emergency services have been unaffected. However, online payments are currently unavailable, and some services in libraries and recreation centers are temporarily unavailable. "While many

Topics: city minnesota paul services st

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A Periodic Table of System Design Principles

news.ycombinator.com Unknown 2025-12-25 21:44:58

Towards a Periodic Table of System Design Principles System design is often taught through domain-specific solutions specific to particular domains, such as databases, operating systems, or computer architecture, each with its own methods and vocabulary. While this diversity is a strength, it can obscure cross-cutting principles that recur across domains. This paper proposes a preliminary “periodic table” of system design principles distilled from several domains in computer systems. The goal i

Topics: data design example principles systems

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PayPal to let US merchants accept over 100 cryptocurrencies, including Bitcoin and Ethereum

techspot.com Alfonso Maruccia 2025-12-26 03:36:00

In context: Thanks to strong support from the Trump administration, cryptocurrencies are gaining significant momentum in the financial market. PayPal is closely watching this growing interest in crypto and will soon roll out a game-changing update for the entire online marketplace. Over the next few weeks, PayPal will roll out a new "Pay with Crypto" option. The feature will reportedly allow businesses worldwide to accept more than 100 cryptocurrencies at checkout, though international buyers m

Topics: crypto cryptocurrencies market paypal percent

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Former NASA Boss Says We May Be Destroying America’s Only Shot at Space

futurism.com Unknown 2025-12-26 02:13:31

One of the driving personalities behind the Hubble Space Telescope is sounding the alarm on president Donald Trump's disastrous space policy. That former NASA associate administrator for spaceflight is Joe Rothenberg, who warns that the agency's current predicament — mass layoffs and deferred resignations resulting in a loss of 20 percent of its workforce and a complete overhaul of agency culture — may already be too bad to fix. "What is happening at NASA has long term and potentially unrecove

Topics: nasa rothenberg scientific space trump

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This Shadowy '90s Sci-Fi Flick Is a Must-See Throwback, and You Can Watch It on Tubi

cnet.com See Full Bio 2025-12-26 02:00:06

Techno-noir and cyberpunk have flourished in science fiction for decades, especially in movies. Films combining the dark vibes and jaded perspective of film noir, with futuristic dystopian settings that lean into a world where technology has blurred the lines between humanity and machines. In the 90s, The Matrix was a breakout hit for the genre, but there were also options that flew under the radar on release. One of my overlooked favorites is Dark City, a mind-bending techno-noir thriller that

Topics: city dark john mystery strangers

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Meta, YouTube, TikTok fight back as Australia's social media restrictions for teens draw closer

techspot.com Rob Thubron 2025-12-26 22:51:00

In brief: After approving plans to ban those aged under 16 from using social media last year, the Australian government is now considering which of the platforms should be included in the new law. In response, the companies are looking for ways to avoid being added to the ban list, with methods ranging from pleas and security promises to thinly veiled legal threats. Social media platforms have long criticized Australia's ban on under-16s holding accounts. The law comes into effect this December

Topics: australian ban media social youtube

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Spotify hits 696M users, but returned to making a loss

9to5mac.com Ben Lovejoy 2025-12-27 03:11:44

Spotify has posted its latest earnings report, stating that both paid and free users were up more than 10% year-on-year, but the company returned to making a loss … Spotify announced solid growth in both subscribers and revenue: Subscribers climbed 12% Y/Y to 276 million. climbed 12% Y/Y to 276 million. Monthly Active Users grew 11% Y/Y to 696 million. grew 11% Y/Y to 696 million. Total Revenue increased 10% Y/Y to €4.2 billion. increased 10% Y/Y to €4.2 billion. Gross Margin improved by 22

Topics: company million revenue social spotify

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Latest Tech News

How Scientific Empires End

St. Paul, MN, was hacked so badly that the National Guard has been deployed

Ferroelectric helps break transistor limits

A short post on short trains

St. Paul, MN was hacked so badly that the National Guard has been deployed

Scientists Say New Government Climate Report Twists Their Work

Hackers stole Social Security numbers during Allianz Life cyberattack

Ultra-Rapid Vision in Birds

Making Roman concrete produces as much CO2 as modern concrete

Battlefield 6 will cost $70 as EA avoids $80 game pricing – for now

Launch HN: Lucidic (YC W25) – Debug, test, and evaluate AI agents in production

Minnesota activates National Guard as cyberattack on Saint Paul disrupts public services

Watch and learn, Samsung: This Galaxy Ring competitor now predicts your chances of falling sick

I launched 17 side projects. Result? I'm rich in expired domains

Show HN: MoebiusXBIN – ASCII and text-mode art editor with custom font support

Survey of 1,000 Experts Shows Quantum Physicists Still Can’t Agree on Anything

After 100 Years of Quantum Mechanics, Physicists Still Can’t Agree on Anything

YouTube to be included in Australia's teen social media ban

ACM Transitions to Full Open Access

Elements of System Design

Placing Functions

AI in Wyoming may soon use more electricity than state’s human residents

Delta Engineered a Pricing System That Sorts You by Economic Value

Minnesota activates National Guard after St. Paul cyberattack

A Periodic Table of System Design Principles

PayPal to let US merchants accept over 100 cryptocurrencies, including Bitcoin and Ethereum

Former NASA Boss Says We May Be Destroying America’s Only Shot at Space

This Shadowy '90s Sci-Fi Flick Is a Must-See Throwback, and You Can Watch It on Tubi

Meta, YouTube, TikTok fight back as Australia's social media restrictions for teens draw closer

Spotify hits 696M users, but returned to making a loss

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