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Content-Aware Spaced Repetition

news.ycombinator.com Giacomo Randazzo 2025-12-13 16:32:11

Content-aware Spaced Repetition Spaced repetition systems are powerful, but they have a fundamental blind spot: they don’t understand what your flashcards are about. To your SRS, a card asking “what’s the capital of Italy?” and another asking “what country is Rome the capital of?” are treated independently, each with its own isolated review history. It has no concept that reviewing related material should reinforce your memory of the whole topic. At the heart of every SRS is a memory model wh

Topics: card cards memory model review

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What Can a Cell Remember?

news.ycombinator.com Claire L. Evans 2025-12-09 03:31:39

Then, in a process Kukushkin described as a tedious choreography of clockwork pipetting, they exposed the cells to precisely timed bursts of chemicals that imitated bursts of neurotransmitters in the brain. Kukushkin’s team found that the both the nerve and kidney cells could finely differentiate these patterns. A steady three-minute burst activated CRE, making the cells glow for a few hours. But the same amount of chemicals, delivered as four shorter pulses spaced 10 minutes apart, lit up the p

Topics: cell kukushkin memory said think

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A deep dive into Rust and C memory interoperability

news.ycombinator.com Unknown 2025-12-13 17:12:20

“Memory oppresses me.” - Severian, The Book of the New Sun Interviewer: “What happens if you allocate memory with C’s malloc and try to free it with Rust’s dealloc, if you get a pointer to the memory from C?” Me: “If we do it via FFI then there’s a possibility the program may continue working (because the underlying structs share the same memory layout? right? …right?)” Now if you have any experience working with memory management, you know that this is a dangerous answer. But I didn’t know it a

Topics: 00 bytes free memory size

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Scientists are growing tumors in space to study how to personalize cancer treatment

techspot.com Skye Jacobs 2025-12-14 08:48:00

Forward-looking: Although precision medicine has advanced rapidly in recent years, many cancer patients still undergo standard treatments that may not work for everyone. Research underway on the International Space Station offers a glimpse of future care, where doctors map out each course of therapy using a detailed simulation of the patient's cancer. In a laboratory more than 249 miles above Earth, a new generation of cancer research is unfolding. A biotech startup is harnessing the microgravi

Topics: cancer encapsulate patient space tumors

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Part 1: A Deep Dive into Rust and C Memory Interoperability

news.ycombinator.com Unknown 2025-12-14 17:12:20

“Memory oppresses me.” - Severian, The Book of the New Sun Interviewer: “What happens if you allocate memory with C’s malloc and try to free it with Rust’s dealloc, if you get a pointer to the memory from C?” Me: “If we do it via FFI then there’s a possibility the program may continue working (because the underlying structs share the same memory layout? right? …right?)” Now if you have any experience working with memory management, you know that this is a dangerous answer. But I didn’t know it a

Topics: 00 bytes free memory size

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This Old SGI: notes and memoirs on the Silicon Graphics 4D series (1996)

news.ycombinator.com Unknown 2025-12-15 06:04:05

This Old SGI Consisting of a collection of notes and memoirs on my experiences with the 4D series machines. Compiled and maintained by A. J. Corda (Email) copyright (c) 1996 Version 2.0 Visitor Number Introduction I am posting this assortment of notes and observations as a kind of "thank you" to the numerous people who have replied to my posts in the past. The free flow of information is the life-blood of the internet community, and this is my feeble attempt to maintain that flow, while at

Topics: 4d cpu graphics memory series

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Ana Marie Cox on the Shaky Foundation of Substack as a Business

news.ycombinator.com June 2025-12-15 08:15:27

Politics | Recovery | Current Obsessions Let’s set Substack’s “Nazi problem” aside for a moment. What if the bigger issue is being stranded on a collapsing platform... with a bunch of Nazis? Substack's content woes are bound up with its shaky business model in ways that are bad for all of us. I can smell the burnt coffee from here. It's Substacks All the Way Down Last week, Terry Moran announced that he’d be the latest high-profile journalist to take his brand to Substack, following his dism

Topics: just moran platform substack terry

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Emacs: The macOS Bug

news.ycombinator.com Unknown 2025-12-22 03:15:35

Emacs: The MacOS Bug The Context I have been recently roaming. Doing some Zig, doing some Go, some Janet. Some C integration. Should have focused on my project but life threw more at me than I could handle, so I sought… happy distractions. My experience with those technologies taught me new tricks and one day, when I needed some more distraction, I decided to debug something that had made me furious for years: Emacs jank. Whatever build I tried, whatever configuration I used, Emacs always r

Topics: code emacs frame macos memory

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Netflix Has Both 'Happy Gilmore' Movies Right Now, but Not for Long

cnet.com See Full Bio 2025-12-22 06:00:03

The biggest original film to arrive on Netflix in July was undoubtedly Happy Gilmore 2. The Adam Sandler sequel was 30 years in the making and marks the return of one of his most iconic characters, Happy Gilmore, a Boston Bruins-obsessed hockey fan who turns his mean slapshot into a professional golf career. Happy Gilmore 2 premiered on Netflix on July 25, and features most of the original film's cast. Sandler is joined by Julie Bowen, Christopher McDonald, Dennis Dugan and Ben Stiller, all of

Topics: gilmore happy july netflix original

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Blog series on creating an OS in Rust

news.ycombinator.com Philipp Oppermann 2025-12-22 20:01:10

Writing an OS in Rust This blog series creates a small operating system in the Rust programming language. Each post is a small tutorial and includes all needed code, so you can follow along if you like. The source code is also available in the corresponding Github repository. Latest post: Async/Await Bare Bones Interrupts CPU Exceptions CPU exceptions occur in various erroneous situations, for example, when accessing an invalid memory address or when dividing by zero. To react to them, we ha

Topics: allocation kernel memory post read

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Positron believes it has found the secret to take on Nvidia in AI inference chips — here’s how it could benefit enterprises

venturebeat.com Carl Franzen 2025-12-24 10:45:40

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 As demand for large-scale AI deployment skyrockets, the lesser-known, private chip startup Positron is positioning itself as a direct challenger to market leader Nvidia by offering dedicated, energy-efficient, memory-optimized inference chips aimed at relieving the industry’s mounting cost, power, and availability bottlenecks. “A key diffe

Topics: ai inference memory models positron

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Wolf Memory Foam Hybrid Premium Firm Mattress Review: A New Alpha

wired.com Julia Forbes 2025-12-26 03:37:00

Not too unlike wolves moving in a pack, the WIRED Reviews team often bands together to help one another out with product reviews. I’ve tested hundreds of beds and brands over the years, so I get pretty jazzed when something I haven't tried is on the prowl, but I'm a singular tester with only so many nighttime hours a week. Thankfully, my teammate Molly Higgins stepped in to test Wolf's 12-Inch Memory Foam Hybrid Essential Medium-Firm Mattress. Not to spoil anything, but it made our list of the b

Topics: foam inch mattress memory wolf

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July Mortgage Rate Forecast: The Fed Isn't Rushing to Lower Interest Rates

cnet.com See Full Bio 2025-12-26 22:12:00

Buyers should keep an eye on the possibility of rate cuts in the next few months. Tharon Green/CNET For the past several months, the average 30-year fixed mortgage rate has sat between 6.5% and 7%. Prospective homebuyers shouldn't hold their breath for that to change anytime soon. On July 30, the Federal Reserve is expected to keep borrowing rates the same at its fifth monetary policy meeting this year. Although the central bank doesn't directly dictate mortgage rates, its policy decisions ind

Topics: fed mortgage rate rates year

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‘Rick and Morty’ Exec Producer Dan Harmon Is Already Thinking 2 Seasons Ahead

gizmodo.com Cheryl Eddy 2025-12-27 12:45:34

Last night brought the season eight finale of Adult Swim’s Rick and Morty—a surprisingly poignant (by Rick and Morty standards) look at how Rick and the two Beths have coped with the loss of Diane, Rick’s wife and their mother. As you’d expect, sci-fi weirdness complicates their grief—but the episode, titled “Hot Rick,” brought a sense of closure as well as the suggestion that Rick’s emotional evolution will continue in future seasons. While fans of Rick and Morty have grown used to long wait t

Topics: episode morty rick schedule season

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Revived, canceled, and back again: Meta’s smartwatch ambitions may not be dead yet

androidauthority.com Unknown 2025-12-28 03:14:49

Kris Carlon / Android Authority TL;DR Meta may have once again revived the smartwatch project it has been working on for the last several years. It’s reported that Meta has partnered with Huaqin to manufacture the device. The smartwatch may be publicly revealed in September during the Meta Connect conference. Meta has long been working on a smartwatch to add to its collection of hardware. However, that project has had a rough development cycle as it has been canceled and revived several time

Topics: device meta project rumor smartwatch

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How the Federal Reserve Actually Affects Mortgage Rates

cnet.com See Full Bio 2025-12-28 05:48:00

The Fed's interest rate decisions impact mortgages, but the relationship isn't straightforward. Tharon Green/CNET If you tracked the Federal Reserve's monetary policy decisions last year, you might have been puzzled: The Fed's three interest rate cuts didn't bring about lower mortgage rates. In fact, the average rate for a 30-year fixed home loan has hovered around 6.8% for the past several months. The Fed's interest rate decisions don't have a direct or immediate effect on home loan rates. Of

Topics: fed inflation mortgage rate rates

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Elon Musk confirms Tesla has signed a $16.5 billion chip contract with Samsung Electronics

cnbc.com Dylan Butts 2025-12-29 10:17:15

Samsung Electronics has entered into a $16.5 billion contract for supplying semiconductors to Tesla , based on a regulatory filing by the South Korean firm and Tesla CEO Elon Musk's posts on X. The memory chipmaker, which had not named the counterparty, mentioned in its filing that the effective start date of the contract was July 26, 2025 — receipt of orders — and its end date was Dec. 31, 2033. However, Musk later confirmed in a reply to a post on social media platform X that Tesla was the c

Topics: chips company memory samsung tesla

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SRAM Has No Chill: Exploiting Power Domain Separation to Steal On-Chip Secrets

news.ycombinator.com Jubayer Mahmod 2025-12-29 02:47:52

1 Introduction An increasingly connected world makes us dependent on computing devices that handle a wide range of security- and privacy-critical operations. We use smartphones and watches to manage bank transactions and store biometric information. On the industrial and government side, embedded devices monitor remote system operations and feed data critical to industrial processes and national defense. Physical access to these devices leads to a wide range of security exploits, including imper

Topics: boot data memory power sram

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‘Rick and Morty’ Is Getting a Presidential Spin-Off

gizmodo.com Cheryl Eddy 2025-12-29 11:45:05

As Rick and Morty continues to roll out its excellent eighth season, fans now have even more to look forward to than Rick and Morty seasons nine, 10, 11, and 12. President Curtis, a spin-off featuring one of the show’s recurring supporting characters, is officially a go at Adult Swim. And yes, the legendary Keith David will be back voicing the POTUS. The President’s clashes with Rick go all the way back to the season two episode “Get Schwifty”—and he’s popped up several times since then, usuall

Topics: curtis david morty president rick

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Your Weekend Streaming Watch List: 'Happy Gilmore 2,' 'Washington Black' and More

cnet.com See Full Bio 2025-12-29 16:30:04

This week, one of the biggest movies of the summer arrives on streaming: Happy Gilmore 2 has finally dropped on Netflix. The film is one of the most anticipated comedies of the year, but it's not the only great thing to watch this weekend if you're looking for something new. Hulu's new historical drama Washington Black, starring Ernest Kingsley Jr. and Sterling K. Brown, is out now, and so is the fourth season of Acapulco on Apple TV Plus. And don't forget that part 2 of the HBO Max documentary

Topics: gilmore happy july netflix new

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Netflix Launches a Surprise 'Happy Gilmore' Game Alongside the New Film

cnet.com See Full Bio 2025-12-30 02:00:08

It's all in the hips -- err, rather, it's all in the fingers -- in Happy Gilmore: Golf Mayhem '98 Demo, a new Netflix game based on the Adam Sandler film. The streaming giant launched the surprise game the same day it released Happy Gilmore 2, a sequel to the classic '90s film. The game is a chaotic trip down memory lane, just the way Happy would have wanted. "I don't want a piece of you. I want the whole thing." Netflix Anyone with a Netflix subscription (which start at $8 a month) can play t

Topics: game games gilmore happy netflix

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Netflix’s push into tie-in games now includes two weird Happy Gilmore titles

theverge.com Andrew Webster 2025-12-30 08:00:00

Netflix seems to have finally settled on something resembling a strategy for its gaming efforts, and one of the key pillars is games tied to its shows and movies. That’s how we got the likes of Squid Game: Unleashed and Black Mirror’s Thronglets. Now, as Happy Gilmore 2 hits the streaming service, it’s accompanied by a pair of games that show just how promotional Netflix can be. The first game is actually pretty fun, though it’s not really a whole game. It’s called Happy Gilmore: Golf Mayhem ’9

Topics: game games gilmore happy netflix

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Psilocybin treatment extends cellular lifespan, improves survival of aged mice

news.ycombinator.com Unknown 2026-01-01 06:29:58

As revenues from the anti-aging market — riddled with hope and thousands of supplements — surged past $500 million last year, Emory University researchers identified a compound that actively delays aging in cells and organisms. A newly published study in Nature Partner Journals’ Aging demonstrates that psilocin, a byproduct of consuming psilocybin, the active ingredient in psychedelic mushrooms, extended the cellular lifespan of human skin and lung cells by more than 50%. In parallel, research

Topics: aging emory life psilocybin study

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New Koske Linux malware hides in cute panda images

bleepingcomputer.com Unknown 2026-01-01 12:54:10

A new Linux malware named Koske may have been developed with artificial intelligence and is using seemingly benign JPEG images of panda bears to deploy malware directly into system memory. Researchers from cybersecurity company AquaSec analyzed Koske and described it as "a sophhisticated Linux threat." Based on the observed adaptive behavior, the researchers believe that the malware was developed using large language models (LLMs) or automation frameworks. Koske’s purpose is to deploy CPU and

Topics: aquasec koske malware memory shell

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Mortgage Predictions: With Fed Cuts on Hold, Where Do Rates Go From Here?

cnet.com See Full Bio 2026-01-02 00:50:00

Buyers should keep an eye on the possibility of rate cuts in the next few months. Tharon Green/CNET The average rate for a 30-year fixed mortgage seems poised to hold near 6.75% for the rest of the year. Yet significant economic uncertainties could still push rates up or down in the coming months. Housing market experts consistently point to two major influences: the economic ramifications of the Trump administration's policies and the Federal Reserve's pace of interest rate cuts. On July 29-

Topics: market mortgage rate rates year

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There is no memory safety without thread safety

news.ycombinator.com Unknown 2026-01-02 12:35:39

There is no memory safety without thread safety Memory safety is all the rage these days. But what does the term even mean? That turns out to be harder to nail down than you may think. Typically, people use this term to refer to languages that make sure that there are no use-after-free or out-of-bounds memory accesses in the program. This is then often seen as distinct from other notions of safety such as thread safety, which refers to programs that do not have certain kinds of concurrency bugs

Topics: language memory program races safety

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Samsung backs a video AI startup that can analyze thousands of hours of footage

techcrunch.com Ivan Mehta 2026-01-02 12:00:00

Many AI tools can look at a video today and summarize what is going on, but things become a bit tricky when you ask models questions about multiple videos and footage spanning many hours. This is a big limitation for security companies that want to use AI to scrub through thousands of hours of footage from different cameras, as well as marketing companies that want to study different video campaigns and product shoots. Memories.ai wants to tackle that problem with its AI platform that can proc

Topics: ai companies memories models video

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Nvidia supplier SK Hynix posts record second-quarter profit and revenue on strong AI memory demand

cnbc.com Dylan Butts 2026-01-03 15:28:47

A visitor takes a picture of a model of SK hynix's high-bandwidth memory (HBM) technology during the 2025 World IT Show in Seoul on April 24, 2025. Jung Yeon-je | Afp | Getty Images South Korea's SK Hynix on Thursday posted record operating profit and revenue in the second quarter, driven by sustained demand for its high bandwidth memory used in artificial intelligence technology. Here are SK Hynix's second-quarter results compared with LSEG SmartEstimates, which are weighted toward forecasts f

Topics: demand hbm hynix memory sk

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Nvidia supplier SK Hynix second-quarter profit and revenue hit record highs, topping estimates

cnbc.com Dylan Butts 2026-01-03 17:42:19

The SK Hynix Inc. logo is displayed on a glass door at the company's office in Seoul, South Korea, on Monday, Jan. 27, 2014. SK Hynix aims to select a U.S. site for its advanced chip packaging plant and break ground there around the first quarter of next year. South Korea's SK Hynix on Thursday posted record operating profit and revenue in the second quarter on sustained demand for its high bandwidth memory technology used in generative AI chipsets. Here are SK Hynix's second-quarter results c

Topics: hynix memory quarter sk won

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Mixture-of-recursions delivers 2x faster inference—Here’s how to implement it

venturebeat.com Ben Dickson 2026-01-06 08:05:33

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 Researchers at KAIST AI and Mila have introduced a new Transformer architecture that makes large language models (LLMs) more memory- and compute-efficient. The architecture, called Mixture-of-Recursions (MoR), significantly improves model accuracy and delivers higher throughput compared with vanilla transformers, even when constrained by th

Topics: computation model models mor parameter

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Latest Tech News

Content-Aware Spaced Repetition

What Can a Cell Remember?

A deep dive into Rust and C memory interoperability

Scientists are growing tumors in space to study how to personalize cancer treatment

Part 1: A Deep Dive into Rust and C Memory Interoperability

This Old SGI: notes and memoirs on the Silicon Graphics 4D series (1996)

Ana Marie Cox on the Shaky Foundation of Substack as a Business

Emacs: The macOS Bug

Netflix Has Both 'Happy Gilmore' Movies Right Now, but Not for Long

Blog series on creating an OS in Rust

Positron believes it has found the secret to take on Nvidia in AI inference chips — here’s how it could benefit enterprises

Wolf Memory Foam Hybrid Premium Firm Mattress Review: A New Alpha

July Mortgage Rate Forecast: The Fed Isn't Rushing to Lower Interest Rates

‘Rick and Morty’ Exec Producer Dan Harmon Is Already Thinking 2 Seasons Ahead

Revived, canceled, and back again: Meta’s smartwatch ambitions may not be dead yet

How the Federal Reserve Actually Affects Mortgage Rates

Elon Musk confirms Tesla has signed a $16.5 billion chip contract with Samsung Electronics

SRAM Has No Chill: Exploiting Power Domain Separation to Steal On-Chip Secrets

‘Rick and Morty’ Is Getting a Presidential Spin-Off

Your Weekend Streaming Watch List: 'Happy Gilmore 2,' 'Washington Black' and More

Netflix Launches a Surprise 'Happy Gilmore' Game Alongside the New Film

Netflix’s push into tie-in games now includes two weird Happy Gilmore titles

Psilocybin treatment extends cellular lifespan, improves survival of aged mice

New Koske Linux malware hides in cute panda images

Mortgage Predictions: With Fed Cuts on Hold, Where Do Rates Go From Here?

There is no memory safety without thread safety

Samsung backs a video AI startup that can analyze thousands of hours of footage

Nvidia supplier SK Hynix posts record second-quarter profit and revenue on strong AI memory demand

Nvidia supplier SK Hynix second-quarter profit and revenue hit record highs, topping estimates

Mixture-of-recursions delivers 2x faster inference—Here’s how to implement it

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