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Review: I tried the Centauri Carbon 3D Printer to see if its truly beginner friendly

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When I visited IFA 2025 in Berlin, I came across a company called Elegoo that makes 3D printers, which are also available on Amazon. As much of a nerd as I am, I never got into 3D printing. There are a number of reasons for that, but most predominantly, it seemed vaguely out of reach. There just seemed to be so much that went into it — CAD, filaments, slicing, balancing, and the like; I was frankly too intimidated to even try.

Enter Elegoo. This company makes the Centuri Carbon 3D printer, which it says can print right out of the box. It has a full auto calibration cycle that basically levels and calibrates itself, freeing the user from technical tasks that, to be frank, I don't have time to master.


Elegoo Centauri Carbon 3D Printer with filament spools

Credit: Elegoo


Elegoo Centauri Carbon 3D Printer

$339.99
at Amazon

$379.99
Save $40



So, is it that easy? That's what I wanted to find out, and I'm going to teach you some things I've learned about 3D printing along the way. Elegoo sent over a Centauri Carbon and a roll of grey filament for me to test and see if it could make me a 3D printing pro right out of the box, and the answer is yes and no.

I was pretty new here

Elegoo Centauri Carbon 3D Printer in crowded garage


Credit: Elegoo

I had dabbled with 3D printing over the years, through my local library, which will print models you send them for the cost of the filament, which is usually $10 or less, depending on the build. I have printed playing card holders, phone holders, and a few other things over the years. My teenage son had as well.

Because of this, I already had a few models I wanted to print, including a nifty multiple phone holder that is great for holding open book-style foldables when not in use. I opened the box, I set up the printer, and let it run through its calibration and self-leveling processes. I loaded the phone holder onto a USB stick and tried to print it. It didn't go well. I tried again — same results. So I took a step back and tried printing a pre-loaded file that came with the printer. This one was of the Eiffel tower, and lo and behold, it went off without a hitch. As I quickly realized, my file was to blame.

Next, I tried downloading other files that looked neat, and I found out there are a number of file types, including a popular .STL file, that 3D printers can't work with — until they go through a slicer program. Basically, a slicer program takes a 3D model and slices it up to what it'll look like layer by layer, which is how most 3D printers operate. Only after the slicing program has done its work can the 3D printer do anything with your file.

Off to the races!

skull on 3d printer screen


Credit: Adam Doud / Mashable

I tried three slicers before I finally gave in and asked Elegoo which one to use. The answer was the completely unsurprising, and appropriately named Elegooslicer. Who knew? This app is pretty great, because it's one-stop shopping for all of your slicing and printing needs. With this app you can set up prints, import print files, position them on the tray, and start prints. You can even monitor the print as it happens by watching a camera that is built into the printer.

3D printer software with rendering of a skull

Left:
Credit: Adam Doud / Mashable
Right:
Credit: Adam Doud / Mashable

This was the final hurdle I needed to clear. I've been printing almost constantly since I got set up with the right slicer. I've printed playing card holders, pen holders, phone props, and a few other things for Halloween. It's been a lot of fun, and I feel like I wouldn't have gotten this far without getting over that initial setup hurdle. I still had to learn a lot along the way, and reach out to Elegoo for some help as well, but still, I really feel like this is a good solution to those who are interested in trying out 3D printing, but feel similarly intimidated.

elegoo 3d printer making a skull


Credit: Adam Doud / mashable

Here's what you get

So, let's talk about the machine itself. The thing I like most about it is it's an entirely self-contained device. Everything happens within the confines of the enclosed printer. I've seen several models of printers that are basically just a table with an extruder over it, and those wouldn't do well in my house. I need everything to be inside an enclosure.

There's a door that opens on the front and a top that comes off. I'm not 100 percent sure why the top comes off, except I read in the instruction manual that if you leave the top on during prints, it may get too hot inside the machine. OK, that's fair enough.

elegoo 3d printer making a skull


Credit: Adam Doud / Mashable

The machine has a fairly large footprint of 16" x 16" x 20". On the inside, you have a printable area of 256mm x 256mm x 256mm or roughly 10" x 10" by 10". This printer only handles a single filament at a time, so there's no automatic switching of colors — everything I've printed is grey so far. There's a USB-A port on the front of the machine and a touchscreen control panel that you can use to browse files and set up prints. I prefer to use the slicing software myself.

All of that comes at a fairly friendly sub-$400 price point on Amazon, or even less if you shop directly at Elegoo, where the printer starts at $299 when it's on sale.

pen holder created with 3d printer


Credit: Adam Doud / Mashable

Is the Elegoo 3D printer worth it?

I've seen cheaper 3D printers on the market, but this feels like a nice, contained, all-in-one solution that can help give you that push to get started. For me, that's worth the extra money.

I'm sure there are more advanced models for hardcore 3D printing hobbyists. But when I consider that my entire journey from unboxing the printer to printing 24/7 happened over less than a week, I'm impressed both with Elegoo for making an idiot-friendly 3D printer that even I could understand, and with myself for finally embracing a new category of tech that I had previously thought beyond my abilities.

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California greenlights AI safety, data protection, Netflix quiet

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California governor Gavin Newsom speaks at a podium in front of the Bay Bridge.

California is riding a wave of Big Tech legislation, with the state's leaders signing several technology-related bills in quick succession.

The first, referred to as the Transparency in Frontier Artificial Intelligence Act, made headlines as a history-making state-level law ensuring more robust generative AI safety standards. The safety and transparency bill mandates AI labs disclose potential harm created by the rising technology and disclose their safety protocols as proof that companies are designing AI systems to mitigate catastrophic risk. The requirements are enforced by the state's Office of Emergency Services. It applies to companies that reach a certain threshold of computing power reserved exclusively for model training or those that make at least $500 million in annual revenue.

The bill is designed to keep AI developers accountable to safety standards even when facing competitive pressure and includes protections for potential whistleblowers. California governor Gavin Newsom said in a statement that the legislation proves that stronger safety regulations aren't necessarily an impediment to AI innovation, as many Big Tech leaders have argued.

Many onlookers have called the bill a new national standard.

A few days later, Newsom signed SB 576, a bill that prohibits commercial volume levels from exceeding the viewer's set volume. Importantly, it applies to streaming ads, too, which are widely underregulated. It extends the Commercial Advertisement Loudness Mitigation (CALM) Act passed by Congress in 2010, which established average volume limits for broadcast television commercials and cable operators.

Most recently, the state has given the green light to AB 656, a law that requires social media companies to make it easier to cancel accounts and ensure that all personal account data is immediately deleted. Last year, the FTC announced new Click to Cancel rules, mandating subscription providers make it easier for customers to cancel recurring payments and delete their accounts.

Newsom — while fashioning himself into President Donald Trump's number one nemesis — has led California in passing some of the nation's most advanced tech regulation, child safety laws, and consumer protection acts. But Newsom has also cozied up to many of Big Tech's interests, including vetoing a contentious, sweeping 2024 bill that would have made AI companies liable for harms caused by its technology.

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Is This Thing On? review: Will Arnett and Bradley Cooper flop on stand-up comedy

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As an actor, Bradley Cooper can be exciting and explosive because he refuses to take himself all that seriously. In critically heralded films like Silver Linings Playbook, American Hustle, even Guardians of the Galaxy, where he voiced Rocket Raccoon, he gamely plays the fool, egotistical, wrathful, and/or uncouth. Yet as a filmmaker, Cooper is tediously serious, even when making the divorce-centered comedy Is This Thing On?

Curiously, Cooper doesn't star in his latest, as he did in past directorial efforts A Star is Born (2018), and Maestro. Instead, he cast himself as the silliest character in his latest directorial effort, while Will Arnett, who co-wrote the screenplay with Cooper and Mark Chappell (See How They Run), headlines alongside Laura Dern.

Together, they play a middle-aged couple who are navigating the end of their 20-year marriage. But don't expect the fireworks of the troubled couples from his last two directorial efforts. Instead, these two have a mutual split that's more aching than angry. To cope, the soon-to-be ex-husband turns his pain into a new hobby: stand-up comedy. Yet the results aren't all that funny or profound.

Is This Thing On? feels old-school in a bad way.

Laura Dern and Will Arnett with director Bradley Cooper on the set of "Is This Thing On?"

Laura Dern and Will Arnett with director Bradley Cooper on the set of "Is This Thing On?"
Credit: Jason McDonald / Searchlight Pictures

Relying on cliches and a premise done recently and very well by The Marvelous Mrs. Maisel, Is This Thing On? feels like a lost film from the late 2010's, when joking about dad bods was remotely fresh. Arnett stars as Alex Novak, who by day wears a suit for the sort of job the movie doesn't care about, and by night is stumbling into comedy clubs in New York city, looking for an open mic. Does he have dreams of doing stand-up professionally? Nope. It's more that tired meme: Men will do anything except go to therapy.

So, Alex goes up on stage and starts talking about his life, his wife Tess (Dern), and his penis, in search of — what — attention? Absolution? I'm not sure even he knows. Scoring a few laughs thrills Alex, but he seems even more grateful for the community of comics (most of them women and people of color) who immediately embrace him and offer pointers. Because a realm where straight white guys really need a helping hand is stand-up comedy, right?

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Where Midge Maisel's journey was about becoming great at stand-up, Alex's story is never about going pro, or even getting particularly good. Neither is it about becoming a member of the comic community so ready to embrace him. Instead, Is This Thing On? is a tedious, navel-gazing tale of a mediocre man doing the very least and feeling sort of bad about it. But hey, a female character who exists only to mock and fuck Alex says he's a "good" person. So, there's that.

Bradley Cooper loves a broken man and the strong woman who takes his bullshit.

Laura Dern and Will Arnett play husband and wife in "Is This Thing On?"

Laura Dern and Will Arnett play husband and wife in "Is This Thing On?"
Credit: Jason McDonald / Searchlight Pictures

Admittedly, I've never been much for Cooper's movies. A Star Is Born was a remake after a remake, but at least its dusty, toxic romance gave us a sensational Lady Gaga performance. As for Maestro, Cooper threw himself into mastering the intricacies of conducting an orchestra, but co-wrote and directed a Leonard Bernstein movie that was fueled by biphobic stereotypes, like that bisexual people are irrepressibly lusty and can't (or won't) commit to a monogamous relationship. Both films in tone and aesthetic pine for Hollywood's Golden Age of big stars and big drama, but in doing so, drag dated ideas along with them. Set today, Is This Thing On? is less egregious on these points, but not the tiresome gender roles of messy man and the incredible woman who loves him. In this case, this is taken to a comical extreme. Alex is an amateur comic; his wife is a former Olympian volleyball player.

Alex is often gruff and rumpled, looking very much the part of a man on the brink of divorce. The close-ups employed in Matthew Libatique's cinematography are practically suffocating, and repeatedly go directly into the protagonist's eyeline. So, whether he's tripping into a punchline or speaking sincerely to Tess, Alex is looking right at the camera, directly addressing the audience, perhaps asking us to love or at least see him.

However, it's unclear how self-aware Is This Thing On? is about Alex's emotional state. Sure, as the movie goes on, he begins to own his mistakes in the past, but less so in the present. He and Tess have two young sons together. And over the course of the movie, Alex — who has moved out of the family home — acts more like a guest than a parent. When a birthday party is thrown at their house, he arrives late with no gift or anything in hand. When it's time to clean up, Libatique's frame shows other party-goers gathering absurd amounts of streamers that have been scattered around the lawn, while Alex chats with his flighty friend Balls, a deluded actor played by Bradley Cooper.

Is This Thing On? isn't funny, but its supporting players have their moments.

Will Arnett and Bradley Cooper play friends in "Is This Thing On?"

Will Arnett and Bradley Cooper play friends in "Is This Thing On?"
Credit: Jason McDonald / Searchlight Pictures

To reiterate: Alex is not all that funny as a stand-up, in part because he tells tired jokes about dad bods and in part because he goes all Joker on occasion, turning his self-loathing on his audience. However, there's something brave and refreshing in suggesting someone can be into the performing arts as a hobby without being good at it, much less being successful. Cooper's character drives this point home, as he's the kind of New York actor who has been in the business for decades but has never broken through.

Entering with a pratfall that sprawls him out on the floor and spills a full quart of milk for a splashy punchline, Balls is ever-convinced he's on the brink of his moment. With a wide smile and chaotic charisma, he waxes poetic about the joys of being an understudy or cowhand #4. And though this makes him a clown within Alex's story, his final scene suggests he's found the key to happiness, and isn't bothered by other people's ideas of success. He's a goofball, but aspirational.

Elsewhere, Christine Ebersole is hilarious as Alex's pestering mother. Though only in the film briefly, she makes the most of every moment, nailing that backhanded mom humor that cuts and spurs cackles. Her intense energy plays well off of Arnett's low-key grumbling, as does Dern's hard-forged warmth. The film's tension becomes the will-they-won't-they of Tess and Alex's relationship, asking if this is really the end or not. Dern, flowing from charmed to impatient to furious and back again, carries a lot of the movie's emotional weight. However, the film never commits to her enough to make this a two-hander. So, in the supporting role of the wife/could-be ex-wife, she's left to have emotional breakthroughs not on the Comedy Cellar's stage, but on the phone with friends or family. Perhaps this is meant to show how one-sided their marriage had become, Tess left alone at home, calling out for help. But I suspect I'm giving Cooper too much credit there.

In the end, I lost patience with this movie about a man who is remarkable in no particular way. Is This Thing On? is like its hero, unremarkable. The humor in it occasionally hits, but more often doesn't. Though the narrative around divorce here is refreshingly lacking in the sort of cliched Kramer vs. Kramer or Marriage Story vitriol, its open-hearted exploration of a marriage on the rocks never seems to recognize the strangling gender norms at its core. The performances are solid from the supporting cast, including former pro footballer Peyton Manning and a smattering of actual stand-ups — like Chloe Radcliffe, Jordan Jensen, and Reggie Conquest. Then there's Arnett, who post-BoJack Horseman seems cozy in the role of a lost middle-aged loser seeking validation through performance. But ultimately, I wasn't rooting for this marriage to work out or fall apart. I was just waiting for someone to flash the light and bring this exasperating set to an end.

Is This Thing On? was reviewed out of its world premiere at the New York Film Festival. The movie will open in theaters on Dec. 19.

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Google Translate app starts explaining itself with AI understanding

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The Google Translate app has been a worthy addition to any international traveler's tech arsenal ever since it launched in 2006; Google claims it now translates a trillion words every month. Not that it does so entirely accurately. Over two decades, the app has also been a source of hilarious translation fails — which have in themselves created enough content for multiple listicles, Reddit threads, and YouTube videos.

But right or wrong, the app has never been able to explain the process it went through to get to that translation — in other words, to show its work. Not until now. An experimental feature spotted by Android Authority, now being tested on the Android version of Google Translate, adds an "Understand" button at the bottom of the screen.

Using Gemini AI for the explanation, "Understand" details the app's "thinking" process. And it doesn't spare any user's blushes if the original language query isn't worded well. In Android Authority's example, the words "impractical that is" are translated into the Hindi "yah avyaavahaarik hai," with the app noting that this is a more common way to translate the English phrase "this is impractical." (Still, the app missed an opportunity for a teachable moment here — to point out that Hindi invariably puts its verbs at the end of the sentence.)

Another AI-driven button next to "Understand" is "Ask," which suggests further queries helpful to any language learner. The app is able to use the translated phrase in a sentence, and it can tell you whether the usage is formal or informal. In other words, Google Translate may soon be able to provide the kind of context any language teacher will tell you is crucial for true understanding.

The two experimental AI buttons, which are not yet confirmed as an upcoming feature, replace a single button that allowed Android users to "ask a follow up." Even that button doesn't yet exist in the iOS version, so iPhone users might have to wait a while to see this feature if they ever get it at all. At least the iOS version was the first to get larger, clearer text, which has only just been added to the Android version.

Adding more "understanding" to Google Translate seems in line with the company's stated plans to make the app more educational. This summer, Google announced Duolingo-style "language practice sessions" would be rolling out in beta form to Android and iOS users — starting with English-speaking users who want to learn Spanish.

"We're going far beyond simple language-to-language translation," wrote Google Translate product manager Matt Sheets. Based on user feedback, Sheets said, the app now aims to help you "listen and speak with confidence on the topics you care about." Adding more context-rich "understanding" would certainly boost that confidence. But whether these features are enough for Google to compete with Duolingo's far more intensive language courses remains, for now, in the untranslatable future.

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