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Ask HN: What's a good 3D Printer for sub $1000?

news.ycombinator.com Unknown 2025-09-17 08:24:38

At least a 256x256x256mm print volume. Needs to be enclosed or enclosable. Need to be able to print with more durable, temperature/chemical resistant materials such as PC/Nylon/ABS or infused materials. I do not need to print multi material models. I would prefer something that doesn't phone home and can work offline. Opensource firmware/software and repairability are important. I am ok assembling the machine and learning how to dial it in. I can do CAD work and make models by hand; I was a mac

Topics: materials models need print software

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Meet the Ethiopian entrepreneur who is reinventing ammonia production

technologyreview.com Casey Crownhart 2025-10-06 13:30:00

Haile, now at Northwestern University, recalls thinking that Abate was particularly eager. As a visible Ethiopian scientist, she gets a lot of email requests, but his stood out. “No obstacle was going to stand in his way,” she says. It was risky to take on a young student with no research experience who’d only been in the US for a year, but she offered him a spot in her lab. Abate spent the summer working on materials for use in solid oxide fuel cells. He returned for the following summer, then

Topics: batteries density energy ion materials

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Why basic science deserves our boldest investment

technologyreview.com Julia R. Greer 2025-10-06 13:45:00

Inspired by the 1945 report “Science: The Endless Frontier,” authored by Vannevar Bush at the request of President Truman, the US government began a long-standing tradition of investing in basic research. These investments have paid steady dividends across many scientific domains—from nuclear energy to lasers, and from medical technologies to artificial intelligence. Trained in fundamental research, generations of students have emerged from university labs with the knowledge and skills necessary

Topics: ai materials research today work

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Anthropic reaches a settlement over authors' class-action piracy lawsuit

engadget.com Unknown 2025-10-24 20:03:38

Anthropic has settled a class-action lawsuit brought by a group of authors for an undisclosed sum. The move means the company will avoid a potentially more costly ruling if the case regarding its use of copyright materials to train artificial intelligence tools had moved forward. In June, Judge William Alsup handed down a mixed result in the case, ruling that Anthropic's move to train LLMs on copyrighted materials constituted fair use. However the company's illegal and unpaid acquisition of tho

Topics: anthropic case company copyrighted materials

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Elegant mathematics bending the future of design

news.ycombinator.com Tanya Petersen 2025-10-26 15:36:10

Have you ever rolled a piece of paper into a cylinder, or tried to wrap aluminum foil around an object without making it crumple? Imagine being able to simply turn a piece of flat material into beautiful, strong furniture, lighting or even the buildings and bridges of the future. In the world of architecture and product design this idea of building complex 3D shapes using flat materials has always been a fascinating challenge. Flat sheets made from materials such as paper, metal, or plastic are

Topics: design flat materials paper tubes

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Material Cultures looks to the past to build the future

technologyreview.com Patrick Sisson 2025-11-05 04:00:00

Gormley has been finding a “way around it” by systematically exploring how tradition can be harnessed in new ways to repair what she has dubbed the “oil vernacular”—the contemporary building system shaped not by local, natural materials but by global commodities and plastic products made largely from fossil fuels. Though she grew up in a household rich in art and design—she’s the daughter of the famed British sculptor Antony Gormley—she’s quick to say she’s far from a brilliant maker and more o

Topics: architecture design gormley materials spaces

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The circular economy could make demolition a thing of the past

news.ycombinator.com José Manuel Cabrero 2025-11-10 08:42:31

Most of us are already quite comfortable recycling our household waste. In Spain, for instance, millions of tonnes of packaging are processed every year, but did you know that buildings and their materials can also be recycled, or that an entire building could be completely dismantled and reassembled? Formula 1, often a laboratory for innovation, offers us a real-world example of this in the form of the Red Bull team’s “pit box”, known as the F1Holzhaus – literally, “the wooden house”. It made

Topics: building construction materials waste year

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Applied Materials shares sink 10% on light forecast amid macroeconomic uncertainties

cnbc.com Kif Leswing 2025-11-13 12:59:18

Applied Materials shares sank more than 10% in extended trading Thursday as the semiconductor equipment company provided outlook for the current quarter that came in light. Here's how Applied Materials did in its third-quarter earnings results versus LSEG consensus estimates: EPS : $2.48, adjusted, versus $2.36 estimated. : $2.48, adjusted, versus $2.36 estimated. Revenue: $7.3 billion vs $7.22 billion estimated. Applied Materials said it expects $2.11 per share in adjusted earnings in the c

Topics: applied billion materials quarter said

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"None of These Books Are Obscene": Judge Strikes Down Much of FL's Book Ban Bill

news.ycombinator.com Kelly Jensen 2025-11-14 21:45:07

Kelly is a former librarian and a long-time blogger at STACKED. She's the editor/author of (DON'T) CALL ME CRAZY: 33 VOICES START THE CONVERSATION ABOUT MENTAL HEALTH and the editor/author of HERE WE ARE: FEMINISM FOR THE REAL WORLD. Her next book, BODY TALK, will publish in Fall 2020. Follow her on Instagram @heykellyjensen. View All posts by Kelly Jensen Judge Carlos Mendoza of the U.S. Middle District Court of Florida has ruled in favor of the plaintiffs in a major case related to book banni

Topics: 1069 florida judge material materials

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The Bizarre Biological Trick That Makes These Teeth Tougher Than Steel

gizmodo.com Gayoung Lee 2025-11-16 16:55:34

At first glance, chitons look like any other mollusk: round, bashful creatures creeping across seashore rocks. Flip one over, however, and you’ll notice rows of freakishly sharp, polished teeth—indestructible, multi-purpose chompers that researchers are seeking to replicate for the next breakthrough in material science. A new study published August 7 in Science presents a detailed investigation into what makes chiton teeth so strong and durable. By analyzing chiton anatomy, the team found a rem

Topics: chiton chitons materials new teeth

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The Bizarre Biological Trick That Makes Mollusk Teeth Tougher Than Steel

gizmodo.com Gayoung Lee 2025-11-16 22:55:34

At first glance, chitons look like any other mollusk: round, bashful creatures creeping across seashore rocks. Flip one over, however, and you’ll notice rows of freakishly sharp, polished teeth—indestructible, multi-purpose chompers that researchers are seeking to replicate for the next breakthrough in material science. A new study published August 7 in Science presents a detailed investigation into what makes chiton teeth so strong and durable. By analyzing chiton anatomy, the team found a rem

Topics: chiton chitons materials new teeth

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TCP Client Self-Connect (2013)

news.ycombinator.com Stjepan Groš 2025-11-23 21:33:09

Random notes of what's on my mind. Additional materials you'll find on my homepage.

Topics: additional homepage ll materials mind

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Solar-Powered Device Turns Moon Dirt Into Bricks, a Potential Breakthrough in Lunar Construction

gizmodo.com Ellyn Lapointe 2025-11-26 12:00:25

Both the U.S. and China have set their sights on the Moon, aiming to break ground on permanent lunar bases within the next decade. Though there’s no legal basis for claiming territory in space, whichever country gets there first will gain a coveted first-mover advantage, allowing it to set certain ground rules about who can do what, where. But getting there first is only half the battle. Actually establishing a sustained lunar presence presents significant logistical and engineering challenges.

Topics: lunar materials moon regolith space

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Los Alamos is capturing images of explosions at 7 millionths of a second

news.ycombinator.com Rebecca Mcdonald 2025-12-01 21:47:07

Download a print-friendly version of this article. Los Alamos scientists are good at doing things that seem impossible, like taking a picture of something that happens in less than seven-millionths of a second—such as an explosion. And not just one picture, but a series of images that reveal pivotal data about the material that exploded and the physics of the explosion. This so-called dynamic imaging is essential to the Lab’s stockpile stewardship mission because it helps scientists test and un

Topics: darht images materials national prad

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Los Alamos is capturing real-time images of explosions at 7mths of a second

news.ycombinator.com Rebecca Mcdonald 2025-12-03 15:47:07

Download a print-friendly version of this article. Los Alamos scientists are good at doing things that seem impossible, like taking a picture of something that happens in less than seven-millionths of a second—such as an explosion. And not just one picture, but a series of images that reveal pivotal data about the material that exploded and the physics of the explosion. This so-called dynamic imaging is essential to the Lab’s stockpile stewardship mission because it helps scientists test and un

Topics: darht images materials national prad

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Los Alamos Is Capturing Real-Time Images of Explosions at 7Mths of a Second

news.ycombinator.com Rebecca Mcdonald 2025-12-03 21:47:07

Download a print-friendly version of this article. Los Alamos scientists are good at doing things that seem impossible, like taking a picture of something that happens in less than seven-millionths of a second—such as an explosion. And not just one picture, but a series of images that reveal pivotal data about the material that exploded and the physics of the explosion. This so-called dynamic imaging is essential to the Lab’s stockpile stewardship mission because it helps scientists test and un

Topics: darht images materials national prad

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New quantum state of matter found at interface of exotic materials

news.ycombinator.com Kitta Macpherson 2025-12-04 08:42:00

This article has been reviewed according to Science X's editorial process and policies . Editors have highlighted the following attributes while ensuring the content's credibility: Crystal structure and temperature dependence of resistivity of EIO/DTO. Credit: Science Advances (2025). DOI: 10.1126/sciadv.adr6202 Scientists have discovered a new way that matter can exist—one that is different from the usual states of solid, liquid, gas or plasma—at the interface of two exotic materials made int

Topics: high magnetic materials new quantum

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Native Sparse Attention

news.ycombinator.com Jingyang Yuan 2025-12-07 02:48:06

ACL materials are Copyright © 1963–2025 ACL; other materials are copyrighted by their respective copyright holders. Materials prior to 2016 here are licensed under the Creative Commons Attribution-NonCommercial-ShareAlike 3.0 International License. Permission is granted to make copies for the purposes of teaching and research. Materials published in or after 2016 are licensed on a Creative Commons Attribution 4.0 International License. The ACL Anthology is managed and built by the ACL Anthology

Topics: 2016 2025 acl commons materials

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Rare earths are China’s bargaining chip in the trade war — the U.S. is trying to fix that

cnbc.com Magdalena Petrova Jeniece Pettitt Jason Reginato 2025-12-18 03:00:01

Rare earths refer to 17 elements on the periodic table whose atomic structure gives them special magnetic properties. They're also the most important bargaining chip in the U.S. and China trade war. That's because these rare earth magnets power everything from electric vehicles and wind turbines to defense equipment, data centers and high-tech consumer electronics. The United States used to be an industry leader of rare earth production, but for the last several decades, the U.S. and the rest o

Topics: china earth earths materials rare

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Chemical process produces critical battery metals with no waste

news.ycombinator.com Laurie Winkless 2025-12-20 20:35:33

Olivine is a rather unassuming rock. Olive brown to yellow green in color, this hard yet brittle mineral is thought to be the most abundant in Earth’s upper mantle. Chemically, olivine is magnesium iron silicate, though it contains other elements too. Economically, it’s close to worthless. Its limited industrial utility stretches to gemstones, metalworking, ceramics, and occasionally, as a gravel for road construction. At some mining sites, olivine is a waste product, stored in piles on the surf

Topics: aspiring battery materials olivine process

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This aerogel and some sun could make saltwater drinkable

arstechnica.com Unknown 2025-12-20 22:00:52

Earth is about 71 percent water. An overwhelming 97 percent of that water is found in the oceans, leaving us with only 3 percent in the form of freshwater—and much of that is frozen in the form of glaciers. That leaves just 0.3 percent of that freshwater on the surface in lakes, swamps, springs, and our main sources of drinking water, rivers and streams. Despite our planet’s famously blue appearance from space, thirsty aliens would be disappointed. Drinkable water is actually pretty scarce. As

Topics: energy materials percent photothermal water

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MP Materials stock rips 20% higher after $500 million Apple deal for rare earth magnets

cnbc.com Samantha Subin 2026-01-12 17:00:17

People look at iPhones at the Apple Fifth Avenue store in New York City on May 23, 2025. Apple and miner MP Materials announced a $500 million deal Tuesday for rare earth magnets and the development of a recycling facility that will reinforce the iPhone maker's U.S. supply chain. MP Materials stock climbed 20%. Shares of Apple were marginally higher. As part of the agreement, Apple will buy rare earth magnets created at the company's facility in Fort Worth, Texas. Both companies will combine

Topics: apple earth magnets materials rare

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Apple commits $500M to US-based rare-earth recycling firm MP Materials

techcrunch.com Aisha Malik 2026-01-12 16:25:03

Apple is investing $500 million in MP Materials, the only fully integrated rare-earth mining company currently operating in the United States, as part of a broader effort to strengthen the domestic rare-earth supply chain. The tech giant announced on Tuesday that with this deal, it’s committed to buying American-made rare-earth magnets developed at MP Materials’ flagship facility in Fort Worth, Texas. The factory will develop a series of neodymium magnet manufacturing lines specifically designe

Topics: apple earth materials mp rare

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MP Materials stock rips 22% higher after $500 million Apple deal for rare earth magnets

cnbc.com Samantha Subin 2026-01-13 04:02:21

People look at iPhones at the Apple Fifth Avenue store in New York City on May 23, 2025. Apple and miner MP Materials announced a $500 million deal Tuesday for rare earth magnets and the development of a recycling facility that will reinforce the iPhone maker's U.S. supply chain. MP Materials stock climbed 22%. Shares of Apple were marginally higher. As part of the agreement, Apple will buy rare earth magnets created at the company's facility in Fort Worth, Texas. Both companies will combine

Topics: apple earth magnets materials rare

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MP Materials stock rips 24% higher after $500 million Apple deal for rare earth magnets

cnbc.com Samantha Subin 2026-01-13 12:20:13

People look at iPhones at the Apple Fifth Avenue store in New York City on May 23, 2025. Apple and miner MP Materials announced a $500 million deal Tuesday for rare earth magnets and the development of a recycling facility that will reinforce the iPhone maker's U.S. supply chain. MP Materials stock climbed 24%. Shares of Apple were marginally higher. As part of the agreement, Apple will buy rare earth magnets created at the company's facility in Fort Worth, Texas. Both companies will combine

Topics: apple earth magnets materials rare

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Apple commits $500 million over several years to buy US-made rare earth magnets

engadget.com Unknown 2026-01-13 17:29:30

Apple just announced a commitment of $500 million over several years to buy rare earth magnets from the US-based company MP Materials. These rare earth magnets are used in a number of products, including iPhones, MacBooks and the Apple Pencil stylus. The American-made magnets will be shipped throughout the world, to help "meet increasing global demand for the material." MP Materials is the only fully integrated rare earth producer in the country. The two companies have also pledged to work toge

Topics: apple earth materials mp rare

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MP Materials stock rips 23% higher after $500 million Apple deal for rare earth magnets

cnbc.com Samantha Subin 2026-01-13 22:28:14

People look at iPhones at the Apple Fifth Avenue store in New York City on May 23, 2025. Apple and miner MP Materials announced a $500 million deal Tuesday for rare earth magnets and the development of a recycling facility that will reinforce the iPhone maker's U.S. supply chain. MP Materials stock climbed 23%. Shares of Apple were marginally higher. As part of the agreement, Apple will buy rare earth magnets created at the company's facility in Fort Worth, Texas. Both companies will combine

Topics: apple earth magnets materials rare

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Apple commits $500M to U.S.-based rare earth recycling firm MP Materials

techcrunch.com Aisha Malik 2026-01-13 22:25:03

Apple is investing $500 million in MP Materials, the only fully integrated rare earth mining company currently operating in the United States, as part of a broader effort to strengthen the domestic rare earth supply chain. The tech giant announced on Tuesday that with this deal, it’s committed to buying American-made rare earth magnets developed at MP Materials’ flagship facility in Fort Worth, Texas. The factory will develop a series of neodymium magnet manufacturing lines specifically designe

Topics: apple earth materials mp rare

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Apple makes $500 million deal with miner MP Materials for rare earths magnets

cnbc.com Samantha Subin 2026-01-14 03:26:50

People look at iPhones at the Apple Fifth Avenue store in New York City on May 23, 2025. Apple and miner MP Materials announced a $500 million deal Tuesday for rare earths magnets and the development of a recycling facility that will reinforce the iPhone maker's U.S. supply chain. MP Materials stock climbed 10%. Shares of Apple were marginally higher. As part of the agreement, Apple will buy rare earth magnets created at the company's facility in Fort Worth, Texas. Both companies will combine

Topics: apple earth magnets materials rare

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Apple cuts a deal for recycling rare earth magnets in the US

theverge.com Emma Roth 2026-01-14 03:19:05

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. Apple has announced a $500 million investment in MP Materials, a rare earth mining company based in the US. With the deal, the two companies will partner on the development of a rare earth magnet recycling line in Mountain Pass, California, allowing Apple to use reprocessed electronics and scrap material to build its products. Apple has worked with

Topics: apple earth materials mp rare

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Latest Tech News

Ask HN: What's a good 3D Printer for sub $1000?

Meet the Ethiopian entrepreneur who is reinventing ammonia production

Why basic science deserves our boldest investment

Anthropic reaches a settlement over authors' class-action piracy lawsuit

Elegant mathematics bending the future of design

Material Cultures looks to the past to build the future

The circular economy could make demolition a thing of the past

Applied Materials shares sink 10% on light forecast amid macroeconomic uncertainties

"None of These Books Are Obscene": Judge Strikes Down Much of FL's Book Ban Bill

The Bizarre Biological Trick That Makes These Teeth Tougher Than Steel

The Bizarre Biological Trick That Makes Mollusk Teeth Tougher Than Steel

TCP Client Self-Connect (2013)

Solar-Powered Device Turns Moon Dirt Into Bricks, a Potential Breakthrough in Lunar Construction

Los Alamos is capturing images of explosions at 7 millionths of a second

Los Alamos is capturing real-time images of explosions at 7mths of a second

Los Alamos Is Capturing Real-Time Images of Explosions at 7Mths of a Second

New quantum state of matter found at interface of exotic materials

Native Sparse Attention

Rare earths are China’s bargaining chip in the trade war — the U.S. is trying to fix that

Chemical process produces critical battery metals with no waste

This aerogel and some sun could make saltwater drinkable

MP Materials stock rips 20% higher after $500 million Apple deal for rare earth magnets

Apple commits $500M to US-based rare-earth recycling firm MP Materials

MP Materials stock rips 22% higher after $500 million Apple deal for rare earth magnets

MP Materials stock rips 24% higher after $500 million Apple deal for rare earth magnets

Apple commits $500 million over several years to buy US-made rare earth magnets

MP Materials stock rips 23% higher after $500 million Apple deal for rare earth magnets

Apple commits $500M to U.S.-based rare earth recycling firm MP Materials

Apple makes $500 million deal with miner MP Materials for rare earths magnets

Apple cuts a deal for recycling rare earth magnets in the US

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