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Ask HN: What to Learn for Math for Modeling?

news.ycombinator.com Unknown 2025-10-18 04:57:01

parametric cubic curve boundary representation blending function spline b-spline cubic bezier curve de casteljau algorithm I have been diving into these topics since few days and I have not understood anything. I tried peter shirley's textbook on Computer Graphics. Foley et al, Hearn baker etc... It is clear to me that I lack the mathematics preriquisites for understanding this. Thus, I am deeply asking for resources that I can do to brush up. Me being a computer engineering graduate I h

Topics: computer cubic curve spline understanding

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This iMac G3 LEGO idea is as unlikely to get approved as it is awesome

9to5mac.com Marcus Mendes 2025-10-20 09:29:22

Every once in a while, an Apple-related project gets submitted to LEGO’s Product Ideas page. Just recently, the LEGO Apple Store concept quickly blew past the 10,000-vote threshold needed to enter official review. Now, a new submission is making the rounds, and it is pretty cool. ‘I wanted people to pick up this nostalgic computer again’ Developed by fan designer terauma, this 700-part project features the classic Bondi Blue iMac G3 along with the “hockey puck” mouse and keyboard, properly wir

Topics: apple computer imac people project

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Intel gets $5.7 billion from Trump deal as White House says details are 'being ironed out'

cnbc.com Jonathan Vanian 2025-10-20 21:34:34

Intel CFO David Zinser said that the semiconductor giant received $5.7 billion from the U.S. government on Wednesday evening. Zinsner acknowledged the investment on Thursday during an investor conference. The investment is part of the White House's decision last Friday to take a 10% stake in the beleaguered computer chip company. Zinser also signaled the possibility that Intel seeks outside investment for its foundry business. The company reported better-than-expected second-quarter results

Topics: business computer foundry investment zinser

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How much RAM do you actually need in 2025? I broke it down for Windows and Mac users

zdnet.com Cesar Cadenas 2025-10-23 09:53:00

Kerry Wan/ZDNET Follow ZDNET: Add us as a preferred source on Google. ZDNET's key takeaways RAM is an important hardware resource that allows a computer to perform optimally and at fast speeds. Escalating computing demands have made 16GB of RAM the new standard for PCs and laptops if they are to continue performing at their best. Even then, 16GB of memory may not be enough for certain users, so it's important to know when to upgrade. I used to struggle when shopping for a new computer. Ove

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Anthropic launches Claude for Chrome in limited beta, but prompt injection attacks remain a major concern

venturebeat.com Michael Nuñez 2025-10-24 16:22:13

Want smarter insights in your inbox? Sign up for our weekly newsletters to get only what matters to enterprise AI, data, and security leaders. Subscribe Now Anthropic has begun testing a Chrome browser extension that allows its Claude AI assistant to take control of users’ web browsers, marking the company’s entry into an increasingly crowded and potentially risky arena where artificial intelligence systems can directly manipulate computer interfaces. The San Francisco-based AI company announc

Topics: ai anthropic automation computer systems

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IBM and AMD to work on quantum-centric supercomputing

news.ycombinator.com Unknown 2025-10-24 22:53:03

YORKTOWN HEIGHTS, N.Y. and AUSTIN, Texas, Aug. 26, 2025 /PRNewswire/ -- Today, IBM (NYSE: IBM) and AMD (NASDAQ: AMD) announced plans to develop next-generation computing architectures based on the combination of quantum computers and high-performance computing, known as quantum-centric supercomputing. AMD and IBM are collaborating to develop scalable, open-source platforms that could redefine the future of computing, leveraging IBM's leadership in developing the world's most performant quantum c

Topics: amd computers computing ibm quantum

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IBM and AMD Join Forces to Build the Future of Computing

news.ycombinator.com Unknown 2025-10-25 03:53:03

YORKTOWN HEIGHTS, N.Y. and AUSTIN, Texas, Aug. 26, 2025 /PRNewswire/ -- Today, IBM (NYSE: IBM) and AMD (NASDAQ: AMD) announced plans to develop next-generation computing architectures based on the combination of quantum computers and high-performance computing, known as quantum-centric supercomputing. AMD and IBM are collaborating to develop scalable, open-source platforms that could redefine the future of computing, leveraging IBM's leadership in developing the world's most performant quantum c

Topics: amd computers computing ibm quantum

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Cornell's world-first 'microwave brain' computes differently

news.ycombinator.com Cornell University 2025-10-29 00:03:53

Researchers at Cornell University have developed an electronic chip that they describe as a "microwave brain." The simplified chip is analog rather than digital, yet can process ultrafast data and wireless communication signals simultaneously. We are so used to thinking of computers as digital machines running on binary code that it's easy to forget that these are only one type of computer. In fact, both historically and today, many devices that we can classify as computers are analog in functi

Topics: analog complex computers digital used

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Building a computer in the 90s (2019)

news.ycombinator.com Dave Farquhar 2025-10-28 15:18:46

Last Updated on March 19, 2024 by Dave Farquhar Building a computer in the 90s was different than it is today. It wasn’t just harder or more expensive. It seemed like every new build was an adventure. I probably built a few hundred systems before the decade ended, but the first few were definitely the most memorable. One in particular stands out above the rest. It was 1996. My friend Tom wanted a modern computer that was capable of handling photography work. He was in his early 20s at the time

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Computer fraud laws used to prosecute leaking air crash footage to CNN

news.ycombinator.com Tim Cushing 2025-10-28 16:04:56

Investigators Used Terrible Computer Fraud Laws To Ensure People Were Punished For Leaking Air Crash Footage To CNN from the if-it-can-be-abused,-it-WILL-be-abused dept Earlier this year, an Army helicopter collided with a passenger plane over the Potomac River in Washington, DC. All sixty-seven people aboard both vehicles were killed. While the FAA focused its investigation on the failures that led to this mid-air collision, local investigators in Virginia were somehow far more concerned abou

Topics: charges computer footage law mwaa

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Europol confirms $50,000 Qilin ransomware reward is fake

bleepingcomputer.com Unknown 2025-11-01 08:25:25

Europol has confirmed that a Telegram channel impersonating the agency and offering a $50,000 reward for information on two Qilin ransomware administrators is fake. The impostor later admitted it was created to troll researchers and journalists. "We were also surprised to see this story gaining traction," Europol told BleepingComputer on Monday. "The announcement didn't come from us." The statement comes after a new Telegram channel called @europolcti was created on August 16th, claiming to of

Topics: bleepingcomputer fake post ransomware researchers

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How much RAM does your PC really need in 2025? I did the math for Windows and Mac users

zdnet.com Cesar Cadenas 2025-11-09 18:41:00

Kerry Wan/ZDNET Get more in-depth ZDNET tech coverage: Add us as a preferred Google source on Chrome and Chromium browsers. I used to struggle when shopping for a new computer. Over time, I learned to narrow things down to what I call the "performance trifecta" -- three main components you should be mindful of when buying a laptop or desktop: processor, storage drive, and RAM. The first two are pretty easy to figure out. A good processor ensures that a computer performs well, and a lot of loca

Topics: computer just laptop memory ram

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BBC Micro, ancestor to ARM

news.ycombinator.com Chris Garrett 2025-11-09 23:08:44

ARM-based chips are found in nearly 60 percent of the world’s mobile devices Introducing the “Beeb” – the inventors of the ARM architecture used these machines to simulate and develop chip designs. Those chips are now in every home and business. This particular machine is my BBC Master, plus 5 1/4″ floppy disk drive, and three-button mouse. Isn’t she a beauty? Like many microcomputers of the 1980s, the BBC Micro ran on a 6502 series microchip. Unlike most of the competition, however, the BBC

Topics: 6502 bbc computer master school

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BBC Micro, the ancestor to ARM

news.ycombinator.com Chris Garrett 2025-11-10 05:08:44

ARM-based chips are found in nearly 60 percent of the world’s mobile devices Introducing the “Beeb” – the inventors of the ARM architecture used these machines to simulate and develop chip designs. Those chips are now in every home and business. This particular machine is my BBC Master, plus 5 1/4″ floppy disk drive, and three-button mouse. Isn’t she a beauty? Like many microcomputers of the 1980s, the BBC Micro ran on a 6502 series microchip. Unlike most of the competition, however, the BBC

Topics: 6502 bbc computer master school

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BBC Micro: The Ancestor to a Device You Are Guaranteed to Own

news.ycombinator.com Chris Garrett 2025-11-10 11:08:44

ARM-based chips are found in nearly 60 percent of the world’s mobile devices Introducing the “Beeb” – the inventors of the ARM architecture used these machines to simulate and develop chip designs. Those chips are now in every home and business. This particular machine is my BBC Master, plus 5 1/4″ floppy disk drive, and three-button mouse. Isn’t she a beauty? Like many microcomputers of the 1980s, the BBC Micro ran on a 6502 series microchip. Unlike most of the competition, however, the BBC

Topics: 6502 bbc computer master school

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How randomness improves algorithms (2023)

news.ycombinator.com Ben Brubaker 2025-11-07 10:43:53

Since the very first days of computer science — a field known for its methodical approach to problem-solving — randomness has played an important role. The first program to run on the world’s first general-purpose electronic computer used randomness to simulate nuclear processes. Similar approaches have since been used in astrophysics, climate science and economics. In all these cases, plugging in random numbers at certain steps in the algorithm helps researchers account for uncertainty about th

Topics: algorithm computer number problem randomness

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Teenage Engineering Has a New PC Case. As Usual, You Won’t Believe the Price

gizmodo.com Raymond Wong 2025-11-11 22:10:26

Teenage Engineering, makers of fine and fun devices like the popular OP-1 field synthesizer and Pocket Operator music mixers, dropped a new PC case yesterday, and it immediately sold out. But unlike gear like the OP-1 field or TP-7 audio recorder that sell for eye-watering prices of $2,000 and $1,500, respectively, the translucent and plastic Computer-2 desktop PC case was given away for free. Well, sort of—you just have to pay for shipping. “The computer case you can’t buy,” reads the Computer-

Topics: case computer engineering pc teenage

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How much RAM do you really need in 2025?

zdnet.com Cesar Cadenas 2025-11-12 08:23:00

Kyle Kucharski/ZDNET Get more in-depth ZDNET tech coverage: Add us as a preferred Google source on Chrome and Chromium browsers. I used to struggle when shopping for a new computer. Over time, I learned to narrow things down to what I call the "performance trifecta" -- three main components you should be mindful of when buying a laptop or desktop: processor, storage drive, and RAM. The first two are pretty easy to figure out. A good processor ensures that a computer performs well, and a lots o

Topics: computer laptop macbook memory ram

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The Morning After: Insta360’s first drone is unlike anything else

engadget.com Unknown 2025-11-12 23:15:55

The Insta360 Antigravity A1 is a new 360-degree FPV drone from a spin-off brand called Antigravity. The A1 includes a drone, OLED Vision goggles and a Grip motion controller — it’s more of a set. The drone has two ultrawide cameras that can capture 8K video, and it uses stitching algorithms to make the drone invisible in the final footage. When I tested out the preproduction model in Germany, the flying experience is different but surprisingly intuitive, even for new pilots, and the goggles str

Topics: advertisement apple company computer drone

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Scientists Say They’ve Found a Way to Vocalize the “Inner Voices” of People Who Can’t Speak

futurism.com Unknown 2025-11-13 02:00:38

Image by Getty / Futurism Neuroscience/Brain Science New advances in brain-computer interface (BCI) technology may make speech for those who've lost the ability to do so easier than ever before. In a new, groundbreaking study published in the journal Cell, researchers from Stanford University claimed that they have found a way to decode the "inner speech" of those who can no longer vocalize, making it far less difficult to talk with friends and family than previous BCIs that required them to e

Topics: bci computer kunz speech thoughts

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Launch HN: Cyberdesk (YC S25) – Automate Windows legacy desktop apps

news.ycombinator.com Unknown 2025-11-14 17:24:53

Hi HN, We’re Mahmoud and Alan, building Cyberdesk ( https://www.cyberdesk.io/ ), a deterministic computer use agent for automating Windows desktop applications. Developers use us to automate repetitive tasks in legacy software in healthcare, accounting, construction, and more, by executing clicks and keystrokes directly into the desktop. Here’s a couple demos of Cyberdesk’s computer use agent: Completing a lightning fast file import automation into a legacy desktop app: https://youtu.be/H_lRzr

Topics: agent computer cyberdesk desktop use

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Teenage Engineering is giving away a free computer chassis, but it's already 'sold out'

engadget.com Unknown 2025-11-14 22:23:28

Teenage Engineering, the hip Swedish tech/design brand that makes synths of all kinds (and a portable game machine with a crank ) has built another computer chassis. And it’s free! But you also can’t get one, right now at least. (Sorry about that.) Described by its maker as a "small form factor, mini-ITX computer case," the Computer-2 is made of a single sheet of semi-transparent plastic with snap hooks and living hinges for screw-free assembly. The engineering wizards at Teenage Engineering se

Topics: case computer design engineering free

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Teenage Engineering’s new PC case is plastic and free

theverge.com Andrew Liszewski 2025-11-15 08:51:02

is a senior reporter who’s been covering and reviewing the latest gadgets and tech since 2006, but has loved all things electronic since he was a kid. Posts from this author will be added to your daily email digest and your homepage feed. Teenage Engineering – best known for its electronic instruments and slick audio gear – has announced a new computer case, a follow-up to its $149 Computer-1 released back in 2021, that it’s claiming is the “cheapest computer case in the world” because the com

Topics: case computer email engineering teenage

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Looking to Recycle an Old Laptop or Printer? Here's Where You Can Take It

cnet.com See Full Bio 2025-11-21 16:01:00

Got an old laptop or printer gathering dust in a closet? You're not alone. A recent CNET survey found that nearly a third of US adults are still hanging onto outdated electronics because they just don't know what to do with them. And while tossing tech in the trash might seem like the easiest option, it's illegal in many states and could land you a fine. The good news? Recycling your old devices is easier than ever. Major retailers like Best Buy, Staples and Office Depot accept laptops, desktop

Topics: computers free old printers recycling

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As Fears About AI Grow, Sam Altman Says Gen-Z Are the ‘Luckiest Kids in History’

gizmodo.com Lucas Ropek 2025-11-22 08:55:03

Over the weekend, the New York Times dropped a story about how computer science graduates are so hard up for jobs that they can’t even find work at Chipotle. The reason? Many people are blaming AI, which has increasingly eaten into the job market for entry-level coders. Not everybody is worried about this, however. Sam Altman, the CEO of one of the most successful AI companies in the world, says that recent college grads should really be grateful for their current situation. Fortune originally

Topics: ai altman computer new said

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OpenSSH Post-Quantum Cryptography

news.ycombinator.com Unknown 2025-11-23 17:01:58

OpenSSH Post-Quantum Cryptography OpenSSH supports a number of cryptographic key agreement algorithms considered to be safe against attacks from quantum computers. We recommend that all SSH connections use these algorithms. OpenSSH has offered post-quantum key agreement (KexAlgorithms) by default since release 9.0 (2022), initially via the sntrup761x25519-sha512 algorithm. More recently, in OpenSSH 9.9, we have added a second post-quantum key agreement mlkem768x25519-sha256 and it was made the

Topics: agreement computer key openssh quantum

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Quantum Computers Are Here and They’re Real. You Just Haven’t Noticed Yet

gizmodo.com Gayoung Lee 2025-11-23 17:00:22

The promise of quantum computers appears to be that they will upend modern computing as we know it. With exceptional computational power, they’ll be performing feats unimaginable for any classical supercomputer. The reality of quantum computers hasn’t quite lived up to its hype, however. Claims of “quantum advantage”—problems regular computers can’t solve but quantum computers can—draw criticism from both skeptics and enthusiasts in the field. Certainly, we’ve seen genuinely impressive advancem

Topics: advantage classical computers computing quantum

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Need to Recycle an Old Laptop or Printer? Here's Where to Take It

cnet.com See Full Bio 2025-11-24 16:00:07

If you've got an old laptop or printer gathering dust in a closet, you're not alone. A recent CNET survey found that nearly a third of US adults are still hanging onto outdated electronics because they don't know what to do with them. And while tossing tech in the trash might seem like the easiest option, it's illegal in many states and could land you a fine. The good news? Recycling your old devices is easier than ever. Major retailers like Best Buy, Staples and Office Depot accept laptops, de

Topics: computers free old printers recycling

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IEEE Computer Society Journals Lead Global Computer Science and Engineering Citations

computer.org Jasmine Ang 2025-11-25 05:00:20

LOS ALAMITOS, Calif., 8 August 2025 – The IEEE Computer Society (CS), the world’s preeminent computer science and engineering member organization, today announced that its journals continue to lead the industry in Journal Impact FactorTM (JIFTM) rankings. Specifically, eight IEEE CS journals hold the coveted top impact factor status in their respective fields. “Every published paper brings value, but some rise to new heights because they provide a launching point for other work,” said Hironori

Topics: computer cs ieee impact journals

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40 Years of the Amiga

news.ycombinator.com Paul Lefebvre 2025-11-29 04:36:15

In July 1985, 40 years ago, the Commodore Amiga was officially introduced to the world. This groundbreaking computer caught a lot of people by surprise and it has an equally amazing development story. As an Atari guy in the 80s, I was somewhat aware of Amiga before 1985 because it would occasionally get mentioned in Atari magazines or by an Atari columnist. I remember seeing a brief note about it in ANALOG Computing and also the Atari column in Creative Computing. Early History As many people

Topics: amiga atari commodore computer st

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Latest Tech News

Ask HN: What to Learn for Math for Modeling?

This iMac G3 LEGO idea is as unlikely to get approved as it is awesome

Intel gets $5.7 billion from Trump deal as White House says details are 'being ironed out'

How much RAM do you actually need in 2025? I broke it down for Windows and Mac users

Anthropic launches Claude for Chrome in limited beta, but prompt injection attacks remain a major concern

IBM and AMD to work on quantum-centric supercomputing

IBM and AMD Join Forces to Build the Future of Computing

Cornell's world-first 'microwave brain' computes differently

Building a computer in the 90s (2019)

Computer fraud laws used to prosecute leaking air crash footage to CNN

Europol confirms $50,000 Qilin ransomware reward is fake

How much RAM does your PC really need in 2025? I did the math for Windows and Mac users

BBC Micro, ancestor to ARM

BBC Micro, the ancestor to ARM

BBC Micro: The Ancestor to a Device You Are Guaranteed to Own

How randomness improves algorithms (2023)

Teenage Engineering Has a New PC Case. As Usual, You Won’t Believe the Price

How much RAM do you really need in 2025?

The Morning After: Insta360’s first drone is unlike anything else

Scientists Say They’ve Found a Way to Vocalize the “Inner Voices” of People Who Can’t Speak

Launch HN: Cyberdesk (YC S25) – Automate Windows legacy desktop apps

Teenage Engineering is giving away a free computer chassis, but it's already 'sold out'

Teenage Engineering’s new PC case is plastic and free

Looking to Recycle an Old Laptop or Printer? Here's Where You Can Take It

As Fears About AI Grow, Sam Altman Says Gen-Z Are the ‘Luckiest Kids in History’

OpenSSH Post-Quantum Cryptography

Quantum Computers Are Here and They’re Real. You Just Haven’t Noticed Yet

Need to Recycle an Old Laptop or Printer? Here's Where to Take It

IEEE Computer Society Journals Lead Global Computer Science and Engineering Citations

40 Years of the Amiga

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