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Two Birds with One Tone: I/Q Signals and Fourier Transform

news.ycombinator.com Qasim Chaudhari 2025-12-25 10:09:04

When a new member arrives at the Signal Processing Club, this is what they find at the club gate: I/Q signals. Perhaps a secret plot to keep most people out of the party? Some return from here to try another area (e.g., machine learning, which pays more and is easier to understand but less interesting than signal processing). Others persist enough to push the gate open for implementation purposes (even a little understanding is sufficient for this task) but never fully grasp the main idea. So w

Topics: complex cos omega phase signal

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Elements of System Design

news.ycombinator.com Unknown 2025-12-25 15:44:58

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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USB-C for Lightning iPhones

news.ycombinator.com Unknown 2025-12-22 10:03:42

Taxes included. 🔥 Batch 1, 2 AND 3 already sold out... Sorry 😢 😢 Please sign up with your email to be alerted when your model gets back in stock. The models with the most sign ups get higher priority. ANNOUNCEMENT VIDEO: here Just plug your phone in this protection case and get USB-C in just a few seconds. No need to buy a brand new device to get the "update". Wireless charging works perfectly through the case. MagSafe charging works too! The magnetic connection is even stronger with the cas

Topics: case charging just phone sign

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Microsoft bans LibreOffice developer's account without warning, rejects appeal

news.ycombinator.com David Uzondu 2025-12-26 02:19:19

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works Recently, we reported on LibreOffice, accusing Microsoft of intentionally using complex file formats as a tactic to lock in users to Microsoft Office, hindering open source alternatives like LibreOffice. Now, Microsoft has banned LibreOffice developer, Mike Kaganski, from using its services, citing an "activity that violates [its] Services Agreement". According to Mike, this happened last Mon

Topics: account microsoft problem sign support

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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 2025-12-26 04:45:40

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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A month using XMPP (using Snikket) for every call and chat (2023)

news.ycombinator.com Unknown 2025-12-26 04:24:23

A month using XMPP (using Snikket) for every call and chat 2023-08-31 For the last month, I’ve been using XMPP (using Snikket) for every call and chat between me and my wife Sandra, at least. Sandra and I switched from using Matrix to using XMPP a while back. Matrix was pretty good for messaging, although quite a few encryption-related issues, but it - or my installation of it, possibly - was unreliable for audio and video. Sometimes it would work, sometimes it would not. Moving to XMPP - usi

Topics: messaging sandra snikket using xmpp

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With iOS 26, Safari will counter one of the web’s most invasive tracking methods

9to5mac.com Marcus Mendes 2025-12-26 16:07:41

Introduced for Private Browsing sessions in Safari 17.0, Advanced Fingerprinting Protection was also optionally available for regular non-private sessions. With iOS 26, it will be enabled by default. Here’s what that means. Starting with iOS 26 (as well as iPad 26, and macOS 26), Apple is flipping the switch on Advanced Fingerprinting Protection for all browsing sessions, not just Private Browsing. From Apple’s iOS 26 press release: “Browsing in Safari gets even more private with advanced fing

Topics: advanced browsing fingerprinting private safari

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Show HN: Monchromate – the best greyscale browser extension

news.ycombinator.com Monochromate Team 2025-12-26 16:32:42

Powerful tools designed to enhance your digital well-being, reduce doomscrolling, and boost productivity through smart greyscale filtering. Smart Scheduler Automatically enable greyscale mode during specific hours. Perfect for reducing evening screen time, maintaining focus during work hours, or preventing late-night doomscrolling. Customizable Intensity Fine-tune the greyscale intensity from 0-100% to find your perfect balance. Research shows greyscale mode reduces screen time by making websi

Topics: consistent firefox framework greyscale mode

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A Periodic Table of System Design Principles

news.ycombinator.com Unknown 2025-12-26 15:44:58

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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A month using XMPP (using Snikket) for every call and chat

news.ycombinator.com Unknown 2025-12-26 16:24:23

A month using XMPP (using Snikket) for every call and chat 2023-08-31 For the last month, I’ve been using XMPP (using Snikket) for every call and chat between me and my wife Sandra, at least. Sandra and I switched from using Matrix to using XMPP a while back. Matrix was pretty good for messaging, although quite a few encryption-related issues, but it - or my installation of it, possibly - was unreliable for audio and video. Sometimes it would work, sometimes it would not. Moving to XMPP - usi

Topics: messaging sandra snikket using xmpp

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DOJ Has a Copy of the Epstein Jail Video With the ‘Missing Minute’: Report

gizmodo.com Matt Novak 2025-12-26 16:00:24

When the U.S. Department of Justice released a nearly 11-hour video in early July that purported to show the last time Jeffrey Epstein was seen alive, people couldn’t help but notice that there was a full minute missing. Attorney General Pam Bondi insisted there was a simple explanation: That’s just how the jail’s antiquated camera systems work. But a new report claims Bondi isn’t telling the truth. The report from CBS News cites a “government source familiar with the investigation” who told th

Topics: epstein minute missing trump video

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SOSV bets plasma will change everything from semiconductors to spacecraft

techcrunch.com Tim De Chant 2025-12-26 16:26:17

Sometimes a tool — like a hammer — comes along and everything starts looking like a nail. But other times, new tools end up being more than a simple blunt-force object. The investors at SOSV are betting that plasma will become a nuanced implement capable of everything from enabling fusion power to changing the way semiconductors are made. It sees so much potential that it plans on investing in more than 25 plasma-related startups over the next five years. It is also opening a new Hax lab space

Topics: disrupt fuel fusion new plasma

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Love your new Galaxy Watch 8? Here’s one setting you need to fix immediately

androidauthority.com Unknown 2025-12-26 11:00:26

Joe Maring / Android Authority Samsung’s Galaxy Watch 8 series officially hit store shelves last Friday, and from what we’ve seen so far, Samsung’s newest wearables are likely among the best Wear OS watches you can buy this year. I’ve been wearing the Samsung Galaxy Watch 8 Classic for the last few days, and while I’m nowhere near ready to review it, my first impressions have been positive. I’ve long been a fan of Samsung smartwatches, particularly those with rotating bezels. As such, going ba

Topics: classic galaxy notifications samsung watch

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Russian airline Aeroflot grounds dozens of flights after cyberattack

bleepingcomputer.com Unknown 2025-12-26 21:51:30

Aeroflot, Russia's flag carrier, has suffered a cyberattack that resulted in the cancellation of more than 60 flights and severe delays on additional flights. Although official sources from Russia, like the General Prosecutor's Office, did not attribute the attack to specific threat groups or even origin, responsibility was taken by Ukrainian and Belarusian hacktivist collectives 'Silent Crow' and 'Cyberpartisans BY.' The latter are known for previous attacks on the Belarusian Railway, the cou

Topics: access aeroflot claimed russia systems

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Space Force’s Secretive X-37B Is Returning to Space With New Tech

gizmodo.com Passant Rabie 2025-12-26 21:55:45

Just a few months after wrapping up its seventh test flight in orbit, Space Force’s experimental vehicle known as X-37B is ready for another go. For its upcoming mission, the spaceplane will test new technologies meant to bolster military capabilities in space, such as a navigational sensor that could replace GPS. The U.S. Space Force is set to launch the Boeing-built orbital test vehicle, designated as OTV-8, on August 21 from the Kennedy Space Center in Florida aboard SpaceX’s Falcon 9 rocket

Topics: force mission orbit space spaceplane

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Google ‘Magic Cue’ AI will read your screen to provide helpful suggestions

androidauthority.com Unknown 2025-12-27 06:19:47

Google TL;DR New code in an Android Canary build corroborates previous leaks of a new on-device AI assistant, likely called Magic Cue. The assistant will proactively suggest info and actions relevant to what you’re doing on screen. Google is expected to debut the feature on the Pixel 10 series next month. The Google Pixel 10 series is launching in a little over three weeks, but as usual, a lot of information has already leaked about it. We previously reported on one of its biggest new featur

Topics: assistant cue google string suggestions

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YouTube Music joins TikTok’s Add to Music app feature in latest update

androidauthority.com Unknown 2025-12-27 06:24:40

Back in 2023, TikTok partnered with small group of music streaming services to roll out a new feature for its users. Called “Add to Music app,” this feature allowed you to add songs to your favorite music streaming services. Now the platform is adding another streaming service to its list of options. YouTube Music users will now be able to save the songs they find on TikTok to the music app, according to TechCrunch . Starting today, users will find YouTube Music amongst the other streaming serv

Topics: add app music streaming tiktok

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I tested Dell's XPS successor, and it beat my $3,000 Windows laptop in almost every way

zdnet.com Cesar Cadenas 2025-12-27 11:00:00

Dell Premium 16 ZDNET's key takeaways The Dell Premium 16 starts at $1,800. This is a premium laptop capable of handling heavy workloads, especially graphic design, thanks to its top-notch hardware. However, it does share some of the same issues as its predecessor, like its tendency to run warm and power-hungry battery. View now at Dell I've been dying to get my hands on the new Dell Premium 16, mainly because it is a follow-up to the Dell XPS 16, a laptop that I reviewed back in early 2024 a

Topics: 16 dell design laptop premium

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Google Workspace is rolling out a security update to stop token stealing attacks

theverge.com Emma Roth 2025-12-27 11:00:00

is a news writer who covers the streaming wars, consumer tech, crypto, social media, and much more. Previously, she was a writer and editor at MUO. Google Workspace is launching a new security measure to help prevent the same type of account takeover attack that impacted Linus Tech Tips. The feature, which is rolling out in beta for Chrome users on Windows, is designed to block bad actors from remotely stealing the cookies that keep you logged into your Workspace account. Google calls the feat

Topics: account google session stealing workspace

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Bragi and OpenAI team up to offer ChatGPT-enabled headphones

9to5mac.com Marcus Mendes 2025-12-27 16:20:50

With its new partnership, Germany-based Bragi will let third-party headphone and other audio product makers integrate a GPT-based assistant, accessible via a button press or wake word. Here are the details. A GPT-4.1-based assistant in your ear Since 2019, when Bragi pivoted from the headphone manufacturing business to licensing its technology, it’s been working with brands like Bose to help third-party vendors develop headphones with features that rival leading brands and competitors. Bragi

Topics: ai assistant based bragi chatai

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TikTok adds YouTube Music as an option to save songs playing in videos

techcrunch.com Ivan Mehta 2025-12-27 16:00:00

TikTok has been making it easier for users to save the songs they hear in video clips on the platform to their choice of music streaming platform. The short video service today added YouTube Music as an option to this list. The company first introduced this feature in the U.S. and the U.K. with support for Spotify, Apple Music, and Amazon Music in November 2023. In February 2024, it rolled out this feature to more than 160 countries across the globe. Over time, TikTok has added Deezer and Sound

Topics: add music streaming tiktok users

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EE to launch phone plans which restrict internet for teens

feeds.bbci.co.uk Unknown 2025-12-28 08:11:08

EE to launch phone plans which restrict internet for teens 51 minutes ago Share Save Liv McMahon & Zoe Kleinman Technology reporter and editor Share Save Getty Images EE is introducing new phone plans next month which it says will restrict the internet for teens - so long as they don't use wi-fi. Its new Sim-only mobile plans will filter the web at different levels depending on the age of the child using it, with three separate tiers of protections. The plans will also have other features suc

Topics: controls ee mobile plans using

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The race for the thinnest foldable is on, and TECNO sets the tone with the tri-fold PHANTOM Ultimate G Fold Concept

androidauthority.com Unknown 2025-12-28 05:00:47

As the world gets excited about tri-fold phones as the next big evolution, everyone’s curious about how slim and durable they can really be. We’ve seen a few tri-folds come out already, but TECNO is truly leading the pack with the PHANTOM Ultimate G Fold Concept, setting new standards in both areas. When folded, it’s a sleek 11.49mm thick, about the same as your typical book-style foldable. And when opened up, it shrinks down to an incredibly thin 3.49mm, thanks to its innovative G-style tri-fo

Topics: concept design fold hinge tri

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This Ancient Roman Artifact Is Also a 453 Million-Year-Old Fossil

gizmodo.com Margherita Bassi 2025-12-28 06:00:25

Despite how Ross’ paleontology career is treated by his companions in Friends, there’s something special about finding the remains of creatures that lived millions if not billions of years before us. In fact, humanity’s interest in paleontology isn’t a modern development. Ancient Romans were just as fascinated by fossils. According to the ancient Roman historian Suetonius, Emperor Augustus established the first known paleontological museum at his villa on the island of Capri, where he showcased

Topics: ancient fossil researchers roman trilobite

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If You're Traveling to Another Country, You Need an eSim. Here's How You Can Snag a Free One for Your Next Trip

cnet.com See Full Bio 2025-12-28 04:00:03

Debalina Ghosh/Getty Images After nearly two years of traveling around the world, I've learned a few travel hacks. One of my favorite ways to save money when overseas? Using an eSIM. If you're unfamiliar with the concept of an eSIM, it's a digital SIM installed on your phone that lets you access a mobile network without a physical SIM card. Using an eSIM for all my mobile data abroad means I don't have to worry about expensive roaming charges from my US mobile provider or buying a physical SIM

Topics: data esim gigsky plan visa

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Yes, Starlink Is Now Much Cheaper: Here's the Catch

cnet.com See Full Bio 2025-12-28 06:00:00

If you live in a rural or remote area, you likely already know how difficult it is to get a good internet connection. Most rural internet providers are devastatingly slow and typically expensive. Starlink's standard plan has become a lifesaver for those without decent rural internet options, but the hefty up-front cost of equipment, $349, and the monthly rate of $120 make Starlink an unaffordable option for many families in rural areas. Now, if you've been looking for a chance to try Starlink,

Topics: internet lite plan residential starlink

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I Lived With Alexa+ for a Week. Here’s How It Went (2025)

wired.com Nena Farrell 2025-12-28 08:00:00

I've had Alexa, Amazon's cloud-based voice service, in my house for the better part of a decade. I had the original rounded tower in my first post-grad apartment, and now the second-generation Echo Spot (7/10, WIRED Review) has a permanent place in my office as I cycle among different smart speakers while testing for my guide to the Best Smart Speakers. For years, Alexa's been a constant for controlling my many smart lights and allowing me to jam to my playlist of choice. There was always a lot

Topics: ai alexa feels smart version

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Pony: An actor-model, capabilities-secure, high-performance programming language

news.ycombinator.com Unknown 2025-12-28 06:34:15

What is Pony?¶ Pony is an open-source, object-oriented, actor-model, capabilities-secure, high-performance programming language. If you are looking to jump in and get started with Pony right now, you can try it in your browser using the Pony Playground. Keep reading if you are interested in what makes Pony different and why you should consider using it. If you are interested in the early history of Pony and how it came into existence, you’re in luck: “An Early History of Pony”.

Topics: early history interested pony using

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Band Appears on Stage With Poorly-Disguised Robot Playing the Keytar

futurism.com Unknown 2025-12-28 06:00:05

During a Chinese music festival, a humanoid robot named "Adam" graced the stage in what was half performance art and half marketing stunt — and did so while semi-disguised in a loose-fitting hoodie that did a terrible job obscuring its mechanical legs and hands that made it very clear that it was, indeed, a robot. As spotted by New Atlas, Adam the robot was dressed in a loose grey sweatshirt with the hood up, a long face mask, and Yeezy-style sneakers — but, let's be real, no pants — as it play

Topics: adam keytar music robot stage

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Ray-Ban Meta smart glasses sales triple as EssilorLuxottica doubles down on wearables

9to5mac.com Marcus Mendes 2025-12-28 16:17:40

EssilorLuxottica, Meta’s partner in the smart glasses market and owner of brands such as Ray-Ban and Oakley, just reported stronger-than-expected quarterly revenue, driven in part by rising demand for the Ray-Ban Meta. Here’s the breakdown. In its quarterly results, EssilorLuxottica reported a 7.3% revenue increase, beating a Bloomberg-compiled analyst estimate of 5.9%. It is worth mentioning that at current exchange rates, however, revenue rose by just 3.2%, reflecting the impact of a stronger

Topics: essilorluxottica glasses meta reported smart

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Latest Tech News

Two Birds with One Tone: I/Q Signals and Fourier Transform

Elements of System Design

USB-C for Lightning iPhones

Microsoft bans LibreOffice developer's account without warning, rejects appeal

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

A month using XMPP (using Snikket) for every call and chat (2023)

With iOS 26, Safari will counter one of the web’s most invasive tracking methods

Show HN: Monchromate – the best greyscale browser extension

A Periodic Table of System Design Principles

A month using XMPP (using Snikket) for every call and chat

DOJ Has a Copy of the Epstein Jail Video With the ‘Missing Minute’: Report

SOSV bets plasma will change everything from semiconductors to spacecraft

Love your new Galaxy Watch 8? Here’s one setting you need to fix immediately

Russian airline Aeroflot grounds dozens of flights after cyberattack

Space Force’s Secretive X-37B Is Returning to Space With New Tech

Google ‘Magic Cue’ AI will read your screen to provide helpful suggestions

YouTube Music joins TikTok’s Add to Music app feature in latest update

I tested Dell's XPS successor, and it beat my $3,000 Windows laptop in almost every way

Google Workspace is rolling out a security update to stop token stealing attacks

Bragi and OpenAI team up to offer ChatGPT-enabled headphones

TikTok adds YouTube Music as an option to save songs playing in videos

EE to launch phone plans which restrict internet for teens

The race for the thinnest foldable is on, and TECNO sets the tone with the tri-fold PHANTOM Ultimate G Fold Concept

This Ancient Roman Artifact Is Also a 453 Million-Year-Old Fossil

If You're Traveling to Another Country, You Need an eSim. Here's How You Can Snag a Free One for Your Next Trip

Yes, Starlink Is Now Much Cheaper: Here's the Catch

I Lived With Alexa+ for a Week. Here’s How It Went (2025)

Pony: An actor-model, capabilities-secure, high-performance programming language

Band Appears on Stage With Poorly-Disguised Robot Playing the Keytar

Ray-Ban Meta smart glasses sales triple as EssilorLuxottica doubles down on wearables

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