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How to Track Your Sun Exposure With This New App

cnet.com See Full Bio 2025-12-22 02:47:15

Facing down a heat wave this summer? There's a new beta app for iPhones from the founder of Twitter, Jack Dorsey, that helps you track your exposure to the sun. The Sun Day app is free to testers and contains information like sunrise, sunset and UV index in order to assess your potential burn-limit time and, as the app description says, "track your Vitamin D from the sun." Dorsey is currently testing UI updates and a solar noon notification, according to the app notes. In the app, you can descr

Topics: app day exposure sun uv

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The dangerously blurry line between wellness and medical tech

theverge.com Victoria Song 2025-12-25 11:54:07

is a senior reporter focusing on wearables, health tech, and more with 13 years of experience. Before coming to The Verge, she worked for Gizmodo and PC Magazine. Few things scratch my brain like a good beef. Kendrick vs. Drake. Justin Baldoni vs. Blake Lively. On my beat, it’s usually two companies fighting over health tech patents. So-and-so copied a feature from so-and-so. The latest dispute on my radar is all about semantics. More specifically, the exact meaning of wellness. Let me catch y

Topics: blood fda feature pressure wellness

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Beetroot juice lowers blood pressure in older people by changing oral microbiome

news.ycombinator.com Louise Vennells 2025-12-29 05:44:31

The blood pressure lowering effect of nitrate-rich beetroot juice in older people may be due to specific changes in their oral microbiome, according to the largest study of its kind. Researchers at the University of Exeter conducted the study, published in the journal Free Radical Biology and Medicine, comparing responses between a group of older adults to that of younger adults. Previous research has shown that a high nitrate diet can reduce blood pressure, which can help reduce risk of heart

Topics: blood nitrate older pressure rich

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You Can Track Your Sun Exposure With This New App. Here's How to Do It

cnet.com See Full Bio 2026-01-06 14:03:03

If you're facing down the heat wave this summer, there's a new beta app for iPhones from the founder of Twitter, Jack Dorsey, for tracking your exposure to the sun. The Sun Day app is free to testers and so far contains information like sunrise, sunset and UV index in order to assess your potential burn-limit time and, as the app description says, "track your Vitamin D from the sun." Dorsey is currently testing UI updates and a solar noon notification, according to the app notes. In the app, yo

Topics: app day exposure sun uv

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TrackWeight: Turn your MacBook's trackpad into a digital weighing scale

news.ycombinator.com Unknown 2026-01-10 15:51:13

TrackWeight Turn your MacBook's trackpad into a precise digital weighing scale TrackWeight is a macOS application that transforms your MacBook's trackpad into an accurate weighing scale by leveraging the Force Touch pressure sensors built into modern MacBook trackpads. IMG_7303.mov To use it yourself: Open the scale Rest your finger on the trackpad While maintaining finger contact, put your object on the trackpad Try to put as little pressure on the trackpad while still maintaining contact.

Topics: contact finger pressure touch trackpad

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What’s Behind Gen Z’s Sex Recession?

wired.com Zoë Schiffer 2026-01-10 17:56:53

Zoë Schiffer: Yeah, fascinating. So let's talk about the rest of the internet outside the social media, because Gen Z is the first generation that has always known a world where porn and nudes are readily available online in just a few clicks. And I'm curious, how has that impacted them? Carter Sherman: What's really interesting about porn is when I was going into this book, I thought I would find a diverse array of beliefs about it. I thought that people on the right would be more opposed to i

Topics: like people pleasure porn sex

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Using MacBook's trackpad as digital weighing scale

news.ycombinator.com Unknown 2026-01-11 03:51:13

TrackWeight Turn your MacBook's trackpad into a precise digital weighing scale TrackWeight is a macOS application that transforms your MacBook's trackpad into an accurate weighing scale by leveraging the Force Touch pressure sensors built into modern MacBook trackpads. IMG_7303.mov To use it yourself: Open the scale Rest your finger on the trackpad While mainting finger contact, put your object on the trackpad Try and put as little pressure on the trackpad while still maintaining contact. T

Topics: contact finger pressure touch trackpad

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Foldable phones are thin and light in 2025, so why are these brands bending the truth?

androidauthority.com Unknown 2026-01-12 06:00:19

Paul Jones / Android Authority TL;DR A Twitter user has shown that the Galaxy Z Fold 7 is thinner than the HONOR Magic V5. It turns out both HONOR and OPPO measure their foldables without the protective inner screen film. A closer look at product pages also reveals that some brands don’t include these layers when weighing their foldables. HONOR launched the Magic V5 in China earlier this month, and the company claimed that the white version was the world’s thinnest foldable phone at 8.8mm. H

Topics: foldable honor inner measurement phone

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Silence Is a Commons by Ivan Illich (1983)

news.ycombinator.com Unknown 2026-01-12 09:21:50

Silence is a Commons by Ivan Illich Computers are doing to communication what fences did to pastures and cars did to streets. by Ivan Illich Minna-san, gladly I accept the honour of addressing this forum on Science and Man. The theme that Mr. Tsuru proposes, "The Computer-Managed Society," sounds an alarm. Clearly you foresee that machines which ape people are tending to encroach on every aspect of people's lives, and that such machines force people to behave like machines. The

Topics: commons enclosure environment new people

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I found a $129 blood pressure watch ideal for consistent monitoring (and it's accurate)

zdnet.com Matthew Miller 2026-01-17 11:45:12

ZDNET's key takeaways The YHE BP Doctor Fit is available for $129. Blood pressure results are within 6-8 mmHG of a blood pressure cuff, the display is vibrant, the battery lasts a week, basic health tracking is available, and it's inexpensive. The band closure is the opposite of other watches; the charger connection can be finicky, and there are limited apps. $129.99 at Amazon In 2024, I reviewed another YHE blood pressure watch, but while its blood pressure monitoring was solid, the rest of

Topics: blood pressure results watch yhe

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Bedsure's Bamboo Cooling Sheets Are Silky Soft, Durable, and Cheap

wired.com Julia Forbes 2026-01-20 05:34:00

I’ve met many supposedly “cooling” sheets in my time as a mattress and bedding tester, and I have been disappointed more often than not. A cooling mattress can’t do all the heavy lifting with temperature regulation, and I’ll forever emphasize that your choice of bedding matters just as much—which is why I'm an unapologetic sheet snob. Which brings me to Bedsure, a brand I stumbled across on Amazon in a last-ditch effort to find some decent sheets when mine bit the dust (rather, my dogs bit holes

Topics: bamboo bedsure cooling like sheets

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Whoop says FDA is 'overstepping its authority' with warning about blood pressure feature

cnbc.com Ashley Capoot Brandon Gomez 2026-01-20 18:08:33

The logo for the Food and Drug Administration is seen ahead of a news conference on removing synthetic dyes from America's food supply, at the Health and Human Services Headquarters in Washington, DC on April 22, 2025. The U.S. Food and Drug Administration on Tuesday published a warning letter addressed to the wrist wearable company Whoop, alleging it is marketing a new blood pressure feature without proper approvals. The letter centers around Whoop's Blood Pressure Insights (BPI) feature, whi

Topics: blood feature pressure said whoop

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GLP-1s are breaking life insurance

news.ycombinator.com Ashwin Sharma 2026-01-24 11:31:47

GPT/GLP-1 Illustration Hello and happy Sunday! Was this newsletter forwarded to you? Sign up to get it in your inbox. I've just got back from HLTH in Amsterdam, nursing what might be the worst three-day hangover of my adult life. Worth it, though. It's one of the best health tech events in Europe, and I made some genuinely great connections. If you’re ever at a large health conference, here’s a neat little hack I learned: Be brave enough to ask questions during panels. It's terrifying, but su

Topics: glp health insurers weight year

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GLP-1s Are Breaking Life Insurance

news.ycombinator.com Ashwin Sharma 2026-01-25 05:31:47

GPT/GLP-1 Illustration Hello and happy Sunday! Was this newsletter forwarded to you? Sign up to get it in your inbox. I've just got back from HLTH in Amsterdam, nursing what might be the worst three-day hangover of my adult life. Worth it, though. It's one of the best health tech events in Europe, and I made some genuinely great connections. If you’re ever at a large health conference, here’s a neat little hack I learned: Be brave enough to ask questions during panels. It's terrifying, but su

Topics: glp health insurers weight year

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QRS: Epsilon Wrangling

news.ycombinator.com Tim Bray 2026-01-31 12:45:19

I haven’t shipped any new features for Quamina in many months, partly due to a flow of real-life distractions, but also I’m up against tough performance problems in implementing Regular Expressions at massive scale. I’m still looking for a breakthrough, but have learned things about building and executing finite automata that I think are worth sharing. This piece has to do with epsilons; anyone who has studied finite automata will know about them already, but I’ll offer background for those peop

Topics: closure input nfa state symbol

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Fitbit Charge 6 Fitness Tracker Is Going for Peanuts With Prime Discount, Includes S and L Sized Bands

gizmodo.com Jason Coles 2026-02-03 09:10:05

It’s not just bits and bobs for the house you can pick up during this month’s Prime Day deal event, it’s basically everything. If there’s anything that Amazon sells that you’d like to save money on, then this event means there’s a high chance that you’ll be able to do so. It’s a good chance to get tech that you’d normally skip over because of its price. There are big deals all over the place. One great deal we’ve found today is on the immensely useful Fitbit Charge 6 fitness tracker. This handy

Topics: chance deal health just sure

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New quantum paradox clarifies where our views of reality go wrong (2018)

news.ycombinator.com Anil Ananthaswamy 2026-02-07 17:43:16

That quantum mechanics is a successful theory is not in dispute. It makes astonishingly accurate predictions about the nature of the world at microscopic scales. What has been in dispute for nearly a century is just what it’s telling us about what exists, what is real. There are myriad interpretations that offer their own take on the question, each requiring us to buy into certain as-yet-unverified claims — hence assumptions — about the nature of reality. Now, a new thought experiment is confro

Topics: alice experiment friend measurement quantum

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New Quantum Paradox Clarifies Where Our Views of Reality Go Wrong

news.ycombinator.com Anil Ananthaswamy 2026-02-07 23:43:16

That quantum mechanics is a successful theory is not in dispute. It makes astonishingly accurate predictions about the nature of the world at microscopic scales. What has been in dispute for nearly a century is just what it’s telling us about what exists, what is real. There are myriad interpretations that offer their own take on the question, each requiring us to buy into certain as-yet-unverified claims — hence assumptions — about the nature of reality. Now, a new thought experiment is confro

Topics: alice experiment friend measurement quantum

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The EU Proposes New Rules to Govern the European Space Race

wired.com Fernanda González 2026-02-10 18:00:00

There are around 11,000 satellites orbiting Earth, and it is estimated that at least 50,000 more will be launched in the next decade. There are also exploration instruments, resupply vessels, and complexes like the International Space Station. But who regulates all this activity in space? In the absence of clear regulations, the European Union has proposed the Space Act, a set of measures that seeks to make the European space sector a cleaner, safer, and more competitive environment, both domest

Topics: commission european measures orbit space

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Greenworks Electric Pressure Washer Combo Kit for 55% Off Is Listed in Best Buy’s Top Deals for 4th of July

gizmodo.com Brittany Vincent 2026-02-12 14:10:09

If you’re tired of scrubbing your patio furniture by hand, using half a bottle of detergent just to clean your car, or watching mildew slowly take over your driveway, it might be time to bring in some backup. Pressure washers are one of those things that, when you first use one, you see exactly why they’re so useful. But unfortunately, they can also be quite expensive. That’s why if you plan on getting one, you should make sure you can save some significant money. You can get the Greenworks Ele

Topics: best buy combo pressure washer

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Scam Travel Websites Are Real: What To Know Before You Book Your Trip

cnet.com See Full Bio 2026-02-15 22:00:05

Summer is officially here and you might be looking to beat the heat with a trip to a popular beach or dream overseas vacation, but experts warn that online scammers are looking to take advantage of eager travelers. Vacation scams are nothing new. Travel can be expensive and people are looking to grab the best prices they can get, says Seckin Yilgoren, Mastercard's senior vice president for security solutions for North American markets. This is especially true now as many people deal are dealin

Topics: make online says sure travel

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Deals: Satechi M4 Mac mini hubs and SSD enclosures 20% off, Find My gear from $24, iPhone 16 Pro $400 off, more

9to5mac.com Justin Kahn 2026-02-18 04:45:10

Today we are starting off our collection of the best Apple deals with some accessories. Firstly, the latest Satechi M4 Mac mini Stand & Hub as well as the brand new USB4 Slim NVMe SSD Enclosure are now at the best prices to date. But we also have the first deals on the brand’s latest collection of My Find accessories – Keychain, luggage tag, wallet card, and glasses case – as as well as 40% off all leather Burton Goods iPhone 16 cases/MagSafe wallets. From there, it’s over to the at least $200 i

Topics: amazon enclosure m4 new ssd

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David H. Rosmarin brings a founder-focused approach to anxiety at TechCrunch All Stage

techcrunch.com Techcrunch Events 2026-02-23 14:00:00

Startups demand constant decision-making, pressure-filled pivots, and bring big emotional swings. It’s no wonder anxiety shows up at every stage. But what if it didn’t have to be a liability? At TechCrunch All Stage 2025 on July 15 at Boston’s SoWa Power Station, Dr. David H. Rosmarin, clinical psychologist, author, and Harvard Medical School professor, will lead a refreshingly honest roundtable session that challenges how founders think about fear and pressure. His roundtable, “Thriving with A

Topics: advantage anxiety pressure session startup

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Why is the Rust compiler so slow?

news.ycombinator.com Unknown 2026-02-22 21:29:32

"Why is the Rust compiler so slow?" I spent a month repeatedly building my website in Docker, and now have horrors to share. I've got a problem. My website (the one you're reading right now) is mainly served by a single Rust binary. For far too long now, every time I wanted to make a change, I would: Build a new statically linked binary (with --target=x86_64-unknown-linux-musl ) Copy it to my server Restart the website This is... not ideal. So instead, I'd like to switch to deploying my we

Topics: closure dur init photos web_http_server

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“Why is the Rust compiler so slow?”

news.ycombinator.com Unknown 2026-02-23 21:29:32

"Why is the Rust compiler so slow?" I spent a month repeatedly building my website in Docker, and now have horrors to share. I've got a problem. My website (the one you're reading right now) is mainly served by a single Rust binary. For far too long now, every time I wanted to make a change, I would: Build a new statically linked binary (with --target=x86_64-unknown-linux-musl ) Copy it to my server Restart the website This is... not ideal. So instead, I'd like to switch to deploying my we

Topics: closure dur init photos web_http_server

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"Why is the Rust compiler so slow?"

news.ycombinator.com Unknown 2026-02-25 03:29:32

"Why is the Rust compiler so slow?" I spent a month repeatedly building my website in Docker, and now have horrors to share. I've got a problem. My website (the one you're reading right now) is mainly served by a single Rust binary. For far too long now, every time I wanted to make a change, I would: Build a new statically linked binary (with --target=x86_64-unknown-linux-musl ) Copy it to my server Restart the website This is... not ideal. So instead, I'd like to switch to deploying my we

Topics: closure dur init photos web_http_server

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A Review of Aerospike Nozzles: Current Trends in Aerospace Applications

news.ycombinator.com Cardenas 2026-02-26 04:33:10

The design of rocket nozzles aims to expand the combustion gases until the exit pressure matches the ambient pressure, thereby maximizing thrust. However, ambient pressuredecreases as the rocket ascends, posing a challenge for conventional nozzles, which operate efficiently only at a specific altitude [ 30 ]. By adjusting their flow characteristics to the varying atmospheric pressure, aerospike nozzles offer a significant advantage in this regard. To quantify this impact, the thrust coefficient

Topics: combustion flow nozzle pressure thrust

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The axion may help clean up the messy business of dark matter

arstechnica.com Unknown 2026-03-02 00:00:47

In recent years, a curious hypothetical particle called the axion, invented to address challenging problems with the strong nuclear force, has emerged as a leading candidate to explain dark matter. Although the potential for axions to explain dark matter has been around for decades, cosmologists have only recently begun to seriously search for them. Not only might they be able to resolve some issues with older hypotheses about dark matter, but they also offer a dizzying array of promising avenue

Topics: dark emitting matter measure methods

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I tried using the world's thinnest SSD enclosure and it exceeded my expectations

zdnet.com Adrian Kingsley-Hughes 2026-03-02 02:45:13

ZDNET's key takeaways The Sharge SSD has thin and sleek design that not only looks good but also dissipates heat really well. It takes up to 4TB of storage. You do have to deal with some tiny fasteners, as it's a compact SSD. View now at Amazon Do you need more storage for your iPhone, MacBook, or pretty much any device with a USB-C port? Do you need something faster than a flash drive? A portable SSD enclosure is the way to go. While most SSD enclosures are rather chunky, accessory maker Sh

Topics: disk enclosure plus power zdnet

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Vera C. Rubin Observatory first images

news.ycombinator.com Unknown 2026-03-05 14:41:00

Welcome to Rubin's cosmic treasure chest! Introducing the first riches from NSF–DOE Vera C. Rubin Observatory’s cosmic treasure chest, a wealth of data that will help scientists make countless new discoveries about our Universe. This image, one of the first released by Rubin Observatory, exposes a Universe teeming with stars and galaxies — transforming seemingly empty, inky-black pockets of space into glittering tapestries for the first time. Only Rubin can quickly produce such large images wit

Topics: data galaxies rubin treasure universe

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Latest Tech News

How to Track Your Sun Exposure With This New App

The dangerously blurry line between wellness and medical tech

Beetroot juice lowers blood pressure in older people by changing oral microbiome

You Can Track Your Sun Exposure With This New App. Here's How to Do It

TrackWeight: Turn your MacBook's trackpad into a digital weighing scale

What’s Behind Gen Z’s Sex Recession?

Using MacBook's trackpad as digital weighing scale

Foldable phones are thin and light in 2025, so why are these brands bending the truth?

Silence Is a Commons by Ivan Illich (1983)

I found a $129 blood pressure watch ideal for consistent monitoring (and it's accurate)

Bedsure's Bamboo Cooling Sheets Are Silky Soft, Durable, and Cheap

Whoop says FDA is 'overstepping its authority' with warning about blood pressure feature

GLP-1s are breaking life insurance

GLP-1s Are Breaking Life Insurance

QRS: Epsilon Wrangling

Fitbit Charge 6 Fitness Tracker Is Going for Peanuts With Prime Discount, Includes S and L Sized Bands

New quantum paradox clarifies where our views of reality go wrong (2018)

New Quantum Paradox Clarifies Where Our Views of Reality Go Wrong

The EU Proposes New Rules to Govern the European Space Race

Greenworks Electric Pressure Washer Combo Kit for 55% Off Is Listed in Best Buy’s Top Deals for 4th of July

Scam Travel Websites Are Real: What To Know Before You Book Your Trip

Deals: Satechi M4 Mac mini hubs and SSD enclosures 20% off, Find My gear from $24, iPhone 16 Pro $400 off, more

David H. Rosmarin brings a founder-focused approach to anxiety at TechCrunch All Stage

Why is the Rust compiler so slow?

“Why is the Rust compiler so slow?”

"Why is the Rust compiler so slow?"

A Review of Aerospike Nozzles: Current Trends in Aerospace Applications

The axion may help clean up the messy business of dark matter

I tried using the world's thinnest SSD enclosure and it exceeded my expectations

Vera C. Rubin Observatory first images

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