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C’est la plus grande carte des trous noirs géants actifs jamais réalisée !

Les quasars, la partie visible de trous noirs supermassifs actifs, sont les objets les plus brillants de l'Univers. Des chercheurs viennent de publier une carte d’environ 1,3 million de quasars qui pourrait éclairer quelques mystères cosmiques.

Des anneaux géants cachés dans l’Univers défient les théories

La cosmologie nous dit qu’il ne devrait pas exister de structure à grande échelle dans notre Univers. Pourtant, des chercheurs viennent d’observer un gigantesque anneau dans notre ciel. Son diamètre est de l’ordre de 1,3 milliard d’années-lumière. Et les astronomes peinent à l’expliquer.

La forme des galaxies trahirait la naissance quantique de l'Univers

On considère parfois que la théorie de l'inflation cosmologique fait partie du modèle cosmologique standard, mais on ne sait toujours pas si la phase très courte mais exponentiellement rapide de l'expansion de l'espace qu'elle postule entrainant aussi la création de matière a vraiment existé. Ce...

Patient bizarre : dans cette famille, personne n'a d'empreinte digitale !

L’adermatoglyphie est une très rare malade génétique se traduisant par l’absence d’empreinte digitale sur les doigts et les pieds. Même si elle n’a pas de répercussion grave au niveau de la santé, elle cause de nombreux problèmes dans la vie de tous les jours.

How to Combine Multiple PDFs for Free

Combining multiple PDFs can be really stressful, mostly because the process isn’t clearly outlined in the programs you’re probably using to view the, and a lot of the third-party apps that offer the feature (like Adobe Acrobat) cost money. But if you want to combine PDFs together without paying anything extra, you…

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These Are Walmart's Best Early Black Friday Deals on TVs

Black Friday is starting early at Walmart this year. Online deals start today, Nov. 8, and in-store deals kick in Nov. 10 at 6 a.m. local. If you want to take advantage of these deals to pick up a new TV, there are a ton of options during this event. You can scroll through different makes and models, all in different…

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Mark Your Calendar With These 2023 Holiday Shipping Deadlines

Par : Emily Long

We’re still a ways out from the winter holidays, but they’ll be here before you know it—so now is the time to mark your calendars so your gifts arrive on time. The major shipping services—USPS, UPS, and FedEx—each have deadlines for sending mail and packages if you want them to arrive ahead of Dec. 25.

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Use the CODE Method to Manage Your Digital Hoarding

Par : Emily Long

There’s so much to consume online, from the millions of pieces of content shared, sent, and watched on social media platforms every minute to the endless stream of news, data, and commentary being published. We are constantly faced with choices of what to watch and read, which leads to information overload, decision…

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The Differences Between the Apple Watch Ultra and Ultra 2

The Apple Watch Ultra was a game changer when it released last year: finally, a larger and more rugged wearable for those obsessed with the outdoors. This year, Apple launched an upgraded Ultra that offers some additional features while still retaining the same look and feel as the original. So: How do the Apple Watch…

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The Best Cable Modem/Router Combos to Buy Right Now

Wireless internet has come a long way from the days of enduring trial and error to integrate your modem and router. Now you can find entire both devices combined into one, which makes setting up your wireless network a whole lot easier and cleaner, with fewer wires and devices in the mix. If you’re planning on…

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The Best Streaming Devices in 2023

Modern smart TVs offer ways to connect to your favorite streaming services, but the results are often disappointing. Not only are the built-in solutions less than ideal out of the box, they quickly become outdated. That’s where a dedicated streaming device comes in handy. You have your choice, too, with devices from…

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Kagi Lets You Search the Internet Without Ads (but It Will Cost You)

When you think searching the internet, you undoubtedly think of Google (unless you’re the one person who thinks first of Bing). The search giant is ubiquitous because it’s fast, free, and better at what it does than most of its competitors. But not everything about Google is amazing. While it’s technically free to…

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Why You’re Already Seeing Ads on Prime Video

Streaming was originally sold to us as an ad-free escape from traditional cable: You pay a company like Netflix a certain amount per month, and you get to watch their content without interruption.

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Bientôt un diplôme pour les influenceurs de demain

Pour de nombreux jeunes, les feux de la rampe éclairent maintenant une autre scène, celle des réseaux sociaux, leur nouvel Eldorado, car les opportunités d'emploi dans l'industrie des médias numériques sont pléthoriques. Pour aider les influenceurs en herbe, attirés par le marketing numérique...

You Can Automatically Make Your iPhone Less Addicting at Bedtime

Switching to grayscale mode is one of the most effective ways to reduce your screen time. It’s easy to enable on your smartphone, and when all the bright colors are gone, you’ll notice that it’s much easier to put your phone away. I’ve found this hack to be very effective, but I’ve always ended up disabling grayscale…

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You Can Reserve an Invite for This 50" 4K TV for $149

Prime Big Deal Days are Oct. 10 and 11, and they’re bringing an assortment of deals—but the best deals will likely be the “invite-only” ones. These are deals that Amazon Prime members can ask to be invited to—and if you’re invited, you’ll have the opportunity to land the deal. One of those deals is this 50-inch 4K…

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How to Download Pictures and Videos From Threads on Your iPhone

Meta’s Threads app, seemingly one of the most popular rivals to X (formerly known as Twitter), is full of interesting photos and videos. As with all social media platforms, Threads accounts post everything from cute cat videos, picturesque locations, or screen recordings showing you useful features on your phone.…

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The Apple Watch Ultra 2 Isn’t Just For Fitness Enthusiasts

The Apple Watch Ultra 2 is an exciting device, marketed as the Apple Watch for those looking for a excellent fitness tracker packed with health features. But maybe fitness isn’t your focus—maybe what you want is a top-of-the-line smartwatch that handles the basics well and includes a bunch of extra bells and whistles.…

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La Voie lactée est moins massive qu’on ne le pensait : une nouvelle énigme pour la matière noire

La Voie lactée recèle encore de nombreux mystères. Une récente étude basée sur les données du satellite Gaia (ESA) vient bouleverser nos connaissances sur l’insaisissable matière noire. Contre toute attente, il semblerait que notre Galaxie en contienne beaucoup moins que ce que l’on pensait...

How to Tell If Your iPhone Is Tapped

In the old days of mechanical telephones, a wiretap would require someone— usually a government agency—to literally change the circuitry of your lines to listen in. These days, smartphones make tapping much easier than that. With very little know-how, someone can install software that remotely monitors where you are…

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Avoid These Words That Send Your Email to Spam

While you might know that your emails are all worthy of a thorough read and should never be relegated to your recipient’s spam folder, there’s a good chance that some of them are ending up there anyway. And there are things you’re doing without realizing it that increase the chances your message never reaches its…

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All the Ways Your Smartphone Can Be a Crucial Home Maintenance Tool

It’s difficult to imagine modern life without a smartphone in your pocket. We no longer need to wrestle with impossibly folded paper maps when we’re driving; we no longer need a pocket stuffed with cash to buy things—we don’t even need stereos or televisions, really. Everything we could ever need to keep ourselves info…

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