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WiFi signals can measure heart rate–no wearables needed

news.ycombinator.com Emily Cerf 2025-11-27 09:53:50

Home Health WiFi signals can measure heart rate—no wearables needed Engineers prove their technique is effective even with the lowest-cost WiFi devices Computer Science and Engineering Ph.D. student Nayan Bhatia demonstrates Pulse-Fi, technology that uses WiFi signals to measure a person's heart rate. Photos by Erika Cardema/UC Santa Cruz Press Inquiries Press Contact Media Access Access Paper Key takeaways The Pulse-Fi system is highly accurate, achieving clinical-level heart rate monitoring

Topics: fi heart pulse rate wifi

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Introduction to Writing Good Puzzle Hunt Puzzles

news.ycombinator.com Unknown 2025-11-22 23:08:52

Introduction to Writing Good Puzzle Hunt Puzzles Version 1.0 - 2014-02-24 - cleanup, add metapuzzle and solving tools sections Version 0.9 - 2014-02-18 0. About This Document This document is advice for writing puzzles. It is specifically geared toward the MIT Mystery Hunt, though the techniques and ideas will likely be useful in other puzzle-writing. The target audience is those who have participated in one or a few puzzle hunts, but not written a substantial number of puzzles before. I will

Topics: answer hunt puzzle puzzles solver

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Show HN: A Map of All YC Companies (5,300 Startups by Batch and Location)

news.ycombinator.com Unknown 2025-11-27 10:52:43

All Batches All Countries Want your own map? Get a white-label version for your accelerator, university, or VC firm.

Topics: accelerator batches countries firm label

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Launch HN: Slashy (YC S25) – AI that connects to apps and does tasks

news.ycombinator.com Unknown 2025-11-27 11:27:41

Hi HN! – We’re Pranjali, Dhruv and Harsha, building Slashy ( https://www.slashy.ai ). We’re building a general agent that connects to apps and can read data across them and perform actions via custom tools, semantic search, and personalized memory. Here’s a demo: https://www.youtube.com/watch?v=OeApHMHhccA While working on a previous startup, we realized we were spending more time doing busywork in apps than actually building product. We lost hundreds of hours scraping LinkedIn profiles, updati

Topics: actions agent custom slashy tools

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Stripe Launches L1 Blockchain: Tempo

news.ycombinator.com Rachel 2025-11-27 11:32:24

Tempo was started by Stripe and Paradigm, with design input from Anthropic, Coupang, Deutsche Bank, DoorDash, Lead Bank, Mercury, Nubank, OpenAI, Revolut, Shopify, Standard Chartered, Visa, and more. If you’re a company with large, real-world economic flows and would like to help shape the future of Tempo, get in touch.

Topics: anthropic bank chartered coupang tempo

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Cache

news.ycombinator.com Unknown 2025-11-27 10:46:23

Finds the Cache entry whose key is the request, returning a Promise that resolves to true if a matching Cache entry is found and deleted. If no Cache entry is found, the promise resolves to false . Takes both a request and its response and adds it to the given cache. Takes an array of URLs, retrieves them, and adds the resulting response objects to the given cache. Takes a URL, retrieves it and adds the resulting response object to the given cache. This is functionally equivalent to calling f

Topics: cache code matching response service

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Senator Says Radioactive Shrimp Will Turn You Into the Alien From ‘Alien’

gizmodo.com Matt Novak 2025-11-27 11:00:59

U.S. health officials have issued several recalls of shrimp in recent weeks over concerns about radioactive material. And now a sitting U.S. Senator has taken the opportunity to warn people in the most dire terms possible. With help from a visual aide, of course. Sen. John Kennedy, a Republican from Louisiana, took to the Senate floor with a giant poster board featuring a screenshot from the classic 1979 film Alien on Wednesday. And he wants you to know that Americans are going to look like the

Topics: alien kennedy like radioactive shrimp

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Apple Reportedly Planning AI-Enhanced Siri With Search Tool in 2026

cnet.com See Full Bio 2025-11-27 10:52:34

Apple is preparing to unveil its iPhone 17 lineup next week but a major software update is also rumored to be on the horizon. The company is reportedly planning an AI-powered upgrade to Siri in iOS 26.4, arriving as early as March 2026. According to a report from Bloomberg, Apple is working on a new Siri feature called World Knowledge Answers, an AI-driven search tool designed to generate detailed responses that draw from web data, images, video and local information. Bloomberg wrote that Apple

Topics: ai apple google search siri

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Meet Dyson’s Brand-New Lineup: V8 Cyclone, V16 Piston Animal, HushJet Purifier Compact

wired.com Nena Farrell 2025-11-27 11:01:00

Dyson has big changes coming. The company just announced its biggest batch of new products yet during IFA Berlin, with new appliances coming to both its floor cleaner and air treatment lines. From the already-announced PencilVac to an AI-powered robot vacuum and reimagined V8 Cyclone stick vacuum, the Dyson family of household appliances is about to get a lot bigger. There's also a brand-new air purifier to come, plus updates to Dyson's existing fan and space heater models. While all of these i

Topics: dyson floor head new vacuum

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This Dyson air purifier shoots out fresh air like a jet engine

theverge.com Jess Weatherbed 2025-11-27 11:00:00

Posts from this author will be added to your daily email digest and your homepage feed. Dyson is launching a new air purifier that’s designed to look — but thankfully, not sound — like a jet engine. The Dyson HushJet Purifier Compact is launching in the US on September 30th for $349.99, featuring a new nozzle design that’s shaped to help the device blast jets of air at high speed, similar to how a concentrator works on a hairdryer. The increase in airflow velocity allows the HushJet Purifier C

Topics: air dyson filter hushjet new

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Xgimi’s incredibly bright 4K projector targets daytime gamers

theverge.com Thomas Ricker 2025-11-27 11:00:00

is a deputy editor and Verge co-founder with a passion for human-centric cities, e-bikes, and life as a digital nomad. He’s been a tech journalist for 20 years. Posts from this author will be added to your daily email digest and your homepage feed. The new Horizon 20 lineup of 4K Google TV projectors from Xgimi targets gamers who want to play day and night on the biggest screen possible. In addition to promising an incredibly bright image from the flagship model, Xgimi is at IFA 2025 saying th

Topics: 20 horizon iso model xgimi

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Darth Vader’s lightsaber is up for auction

theverge.com Emma Roth 2025-11-27 11:11:45

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. Posts from this author will be added to your daily email digest and your homepage feed. Darth Vader’s lightsaber is about to become someone’s prized possession. It’s up for auction alongside a bunch of other iconic movie props, as spotted earlier by The New York Times. The auction is hosted by the memorabilia company Propstore, and it estimates tha

Topics: auction lightsaber propstore star wars

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Google Photos upgrades its image-to-video feature with Veo 3

techcrunch.com Sarah Perez 2025-11-27 11:00:00

Google’s latest video-generation model, Veo 3, is coming to Google Photos. The new model, available on the mobile app’s Create tab, will allow users in the U.S. to turn their still images into video clips. Google Photos already offers video generation through its recently added “Photo to video” feature, but the company says the addition of Veo 3 enhances that functionality with higher-quality video. The launch also represents how the company is working to bring its latest AI tech to consumers t

Topics: ai google photos veo video

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Google is expanding the Pixel Weather app to Wear OS

androidauthority.com Unknown 2025-11-27 16:52:45

Kaitlyn Cimino / Android Authority TL;DR The Pixel Weather app is coming to Wear OS. Pixel Weather on Wear OS has a similar layout to the Weather app, but introduces Material 3 Expressive design. The app is expected to arrive with the Pixel Watch 4, but screenshots are already showing up on the Play Store. Back in 2022, Google gave Wear OS 3 a standalone weather app simply called Weather. It provides pretty much all the information you need from such an app, like the temperature, the daily h

Topics: app os pixel wear weather

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Five brands could announce CarPlay Ultra availability as soon as iPhone 17 event day

9to5mac.com Zac Hall 2025-11-27 16:14:05

iPhone 17 news will undoubtedly dominate technology headlines next week. Yet September 9 could also prove to be a turning point for Apple’s CarPlay Ultra. While I don’t expect the feature to take the spotlight during Apple’s event itself, the same day marks the start of IAA Mobility in Munich, where Hyundai is poised to confirm support and other automakers may follow. I’m now confident that September 9, the first day of the expo, is when we’ll see Hyundai reveal its take on CarPlay Ultra, poss

Topics: carplay hyundai iaa ultra week

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One of Apple Music’s best features is improving at the perfect time

9to5mac.com Ryan Christoffel 2025-11-27 16:15:14

Apple Music is about to get its biggest update in years thanks to iOS 26, including upgrades to one of my favorite features—lyrics—just in time for the device that will be perfect for them. Lyrics in Apple Music are getting two iOS 26 enhancements When I’m listening to music, I don’t pay much attention to lyrics. My mind is tuned into the rhythm far more than to the words being sung. I know other people—my wife for example—who are very much the opposite. But for whatever reason, my brain str

Topics: apple homepod lyrics music touch

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Deals: 8TB M4 Pro Mac mini $1,200 off, MacBook Pro $300 off, iPhone 15, Nomad leather iPad case, more

9to5mac.com Justin Kahn 2025-11-27 16:45:11

Today’s 9to5Toys Lunch Break is ready to roll with Thursday’s most notable deals on Apple gear and accessories for it all. We have the first discount on a new Qi2.2 25W MagSafe charging stand as well as an exclusive and rare discount on Nomad’s leather iPad Pro folios. But we also have M4 MacBook Pro at $300 off joined by a wild deal on a wild M4 Pro Mac mini configuration at massive $1,200 off the list price. Those offers also join iPhone 15 Pro at $370 off, and much more below. Just be sure to

Topics: apple iphone m4 mac pro

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6 browser-based attacks all security teams should be ready for in 2025

bleepingcomputer.com Unknown 2025-11-27 15:01:11

What security teams need to know about the browser-based attack techniques that are the leading cause of breaches in 2025. “The browser is the new battleground.” “The browser is the new endpoint”. These are statements you’ll run into time and again as you read articles on websites like this one. But what does this actually mean from a security perspective? In this article, we’ll explore what security teams are trying to stop attackers from doing in the browser, breaking down what a “browser-b

Topics: attackers browser malicious phishing security

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3 money-saving tricks I use every time I shop online - and you should too

zdnet.com Kayla Solino 2025-11-27 16:13:00

Maria Diaz/ZDNET Follow ZDNET: Add us as a preferred source on Google. ZDNET's key takeaways Online shopping is easy but can lead to overspending. Smart shopping habits make checkout decisions more intentional. This three tips help maximize my savings every time. As ZDNET's deals and shopping editor, it's safe to say that I've covered more than a sale or two. It's also safe to assume that I love few things more than a great deal (and sharing them with ZDNET's readers). But shopping online

Topics: online promo savings shop shopping

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How Anthropic's enterprise dominance fueled its monster $183B valuation

zdnet.com Webb Wright 2025-11-27 16:13:14

PM Images/DigitalVision via Getty Follow ZDNET: Add us as a preferred source on Google. ZDNET's key takeaways Anthropic is valued at $183 billion after a new funding round. The company currently serves over 300,000 enterprise customers. A marketing emphasis on safety could be a major driving factor. Anthropic is soaring, and the popularity of its tools among enterprise clients is providing much of the lift. The AI start-up announced on Tuesday that its latest funding round raised $13 bill

Topics: ai anthropic businesses company funding

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Samsung's Fold 7 finally made me a believer in foldable phones - 3 reasons why

zdnet.com Jason Hiner 2025-11-27 16:41:37

Jason Hiner/ZDNET Follow ZDNET: Add us as a preferred source on Google. ZDNET's key takeaways Samsung's Fold 7 has reached the point that it's now the same size as flagship phones when closed. The software upgrades in One UI 8 and Android 16 finally take advantage of the productivity potential of foldables. There are multiples modes in the Fold 7 that make it even better than just a phone that transforms into a tablet. It didn't take long for Samsung's Z Fold 7 to change my mind about fold

Topics: fold like phone samsung screen

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Thunk: Build Rust program to support Windows XP, Vista and more

news.ycombinator.com Unknown 2025-11-24 04:57:06

Use Thunk to build your Rust program to support old Windows platforms 中文自述文件 Thunk uses VC-LTL5 and YY-Thunks to build programs that support even Windows XP. So, how does it work? Add VC-LTL to the library search path Use YY-Thunks to remedy API that old platform that does not exist Note: Thunk does not guarantee the compiled program work or work accurately on old platforms. USE AT YOUR OWN RISK! Usage (As Command line tool) Preparation Download VC-LTL5 and YY-Thunks Binary, unzip them a

Topics: thunk v0 windows x64 x86

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The Hand-Drawn Hits That Hollywood Isn't Making

news.ycombinator.com Animation Obsessive Staff 2025-11-23 18:08:23

Detail from a poster for Nobody (2025) by Shanghai Animation Film Studio Welcome! This is a new Sunday edition of the Animation Obsessive newsletter. Our lineup today: 1) Why 2D movies are booming elsewhere. 2) Newsbits. With that, let’s go! 1 – Stories that resonate Folks who follow the animation news have already heard. Right now, hand-drawn features are taking over. It’s happening in Japan, where Infinity Castle (of the Demon Slayer series) just became the third-biggest movie in the co

Topics: animation cg film hand hollywood

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‘The Black Phone 2’ Trailer Sees Ethan Hawke Call Collect Supernatural Vengeance

gizmodo.com Isaiah Colbert 2025-11-27 16:05:22

Universal Pictures and Blumhouse just released a new trailer for the sequel to Ethan Hawke’s terrifying horror film, Black Phone 2. The short story that the original movie is based on, written by Joe Hill (son of Stephen King), follows a masked serial killer who abducts children, locks them in his basement, and torments them. That is until one kid, Finney (Mason Thames), uses a black rotary phone to speak to the ghosts of The Grabber’s victims and hatches a plan to escape, kill the Grabber, and

Topics: black film grabber phone sequel

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Tom Holland Has Been Lurking on Your Internet Posts for ‘Spider-Man: Brand New Day’ Inspiration

gizmodo.com Isaiah Colbert 2025-11-27 16:20:49

It’s a month since Tom Holland shared a look at his new Spidey suit and filmed an action scene while swinging through a city street in front of a crowd, but excitement surrounding Spider-Man: Brand New Day remains at an all-time high. Fans have hailed his fourth film as Spider-Man a kind of renaissance for Marvel, with some creating numerous photoshopped edits of Holland that exude aura, as the kids say. Turns out, Holland has been lurking on fans’ internet posts for inspiration in the hopes of

Topics: fans holland man new spider

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Lull in Falcon Heavy missions opens window for SpaceX to build new landing pads

arstechnica.com Unknown 2025-11-27 16:13:25

Remember the first time you saw a SpaceX rocket nail a bullseye landing after hurtling back from space? How about the first time two boosters landed side-by-side, punctuating the inaugural launch of SpaceX's Falcon Heavy rocket with thrilling synchrony? Some of SpaceX's most defining moments happened on a piece of beachfront property at Cape Canaveral Space Force Station in Florida. This is where SpaceX first landed a reusable Falcon 9 booster coming back from space and, a few years later, land

Topics: falcon landing launch space spacex

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Philips introduces budget-friendly Hue bulbs as part of major lineup overhaul

arstechnica.com Unknown 2025-11-27 16:21:08

We've been covering Philips' lineup of color-changing, Wi-Fi connected Hue lights since their earliest days, and their early success means they became integrated into many smart home setups just as smart thermostats, doorbells, smoke alarms, and speakers were really going mainstream. For anyone embedded in the Hue ecosystem—or anyone who has stayed out because of the accessories' relatively high prices—today's large-scale overhaul of the lineup may be of interest. Philips and parent company Sig

Topics: bulb bulbs hue lineup new

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It’s Possible to Remove the Forever Chemicals in Drinking Water. Will It Happen?

wired.com Molly Taft 2025-11-27 16:05:14

A new study finds that technologies installed to remove forever chemicals from drinking water are also doing double-duty by removing harmful other materials—including some substances that have been linked to certain types of cancer. The study, published Thursday in the journal ACS ES&T Water, comes as the Trump administration is overhauling a rule mandating that water systems take action to clean up forever chemicals in drinking water. Per- and polyfluoroalkyl substances (PFAS), colloquially r

Topics: chemicals drinking pfas study water

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The Unexpected Winners of Trump’s Trade War

wired.com Zeyi Yang 2025-11-27 16:19:35

I thought I had outsmarted Donald Trump’s tariffs, but I was wrong. Well, at least sort of. On August 29, the US government officially ended an 87-year-old rule that allowed Americans to import small packages tariff-free. Known as the de minimis exemption, the policy had allowed shipments under a certain value threshold—$800 in recent years—to clear customs without paying any duties. Policymakers have been debating changing de minimis for years, but when it finally happened, the move still sent

Topics: minimis new shein tariffs temu

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Should the Company Trucks Go Electric? Depends on When You Charge

wired.com Aarian Marshall 2025-11-27 16:30:00

Should the company switch its trucks, cars, and vans to electric? It’s a question that plenty of businesses operating fleets of vehicles—in industries like delivery, health care, cable companies, and utilities—are thinking through. Eighty-seven percent of fleet operators polled by Cox Automotive last year said they were expecting to bring aboard some battery-powered vehicles in the next five years. Their top concerns weren’t that different from everyday drivers’: Businesses aren’t sure how to k

Topics: businesses charging company electric southern

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Latest Tech News

WiFi signals can measure heart rate–no wearables needed

Introduction to Writing Good Puzzle Hunt Puzzles

Show HN: A Map of All YC Companies (5,300 Startups by Batch and Location)

Launch HN: Slashy (YC S25) – AI that connects to apps and does tasks

Stripe Launches L1 Blockchain: Tempo

Cache

Senator Says Radioactive Shrimp Will Turn You Into the Alien From ‘Alien’

Apple Reportedly Planning AI-Enhanced Siri With Search Tool in 2026

Meet Dyson’s Brand-New Lineup: V8 Cyclone, V16 Piston Animal, HushJet Purifier Compact

This Dyson air purifier shoots out fresh air like a jet engine

Xgimi’s incredibly bright 4K projector targets daytime gamers

Darth Vader’s lightsaber is up for auction

Google Photos upgrades its image-to-video feature with Veo 3

Google is expanding the Pixel Weather app to Wear OS

Five brands could announce CarPlay Ultra availability as soon as iPhone 17 event day

One of Apple Music’s best features is improving at the perfect time

Deals: 8TB M4 Pro Mac mini $1,200 off, MacBook Pro $300 off, iPhone 15, Nomad leather iPad case, more

6 browser-based attacks all security teams should be ready for in 2025

3 money-saving tricks I use every time I shop online - and you should too

How Anthropic's enterprise dominance fueled its monster $183B valuation

Samsung's Fold 7 finally made me a believer in foldable phones - 3 reasons why

Thunk: Build Rust program to support Windows XP, Vista and more

The Hand-Drawn Hits That Hollywood Isn't Making

‘The Black Phone 2’ Trailer Sees Ethan Hawke Call Collect Supernatural Vengeance

Tom Holland Has Been Lurking on Your Internet Posts for ‘Spider-Man: Brand New Day’ Inspiration

Lull in Falcon Heavy missions opens window for SpaceX to build new landing pads

Philips introduces budget-friendly Hue bulbs as part of major lineup overhaul

It’s Possible to Remove the Forever Chemicals in Drinking Water. Will It Happen?

The Unexpected Winners of Trump’s Trade War

Should the Company Trucks Go Electric? Depends on When You Charge

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