Connect with us

Tech

The Rare Earth Metal Driving Tensions Between the US and China

Published

on

The Rare Earth Metal Driving Tensions Between the US and China


The alarm hasn’t yet reached the general public, but tension is beginning to build in the corridors of the aerospace industry, in microchip laboratories, and in government offices. For months, an element almost invisible to the world—yttrium—has become the silent center of a new global dispute. Supplies are thinning, prices are skyrocketing, deliveries are stalling. And while China and the United States have promised a truce over rare earth minerals, the wheels of advanced technology are beginning to slow.

Although a late-October meeting in South Korea between Chinese president Xi Jinping and his US counterpart Donald Trump raised hopes for a détente, the Chinese export restrictions introduced last April remain substantially in place. Beijing granted a one-year reprieve on the mandatory government licensing system for shipments of rare earths and products containing related materials (including those made abroad with at least 0.1 percent Chinese resources), in exchange for a similar suspension of the White House’s latest restrictions on technology supply chains.

A Crucial Element in a Market Under Pressure

But other measures introduced before the latest escalation remain in place. The result is a tightening of the international supply chain that threatens to slow advanced technological production, raise costs, and challenge entire industrial sectors. Yttrium plays a crucial role in the functioning of contemporary technologies. Without yttrium, the production of aircraft engines, high-efficiency turbines, advanced energy systems, and semiconductors would immediately slow down.

Yttrium’s value lies in its ability to impart thermal and mechanical strength to materials subjected to extreme temperatures. Jet engines blades, for example, must withstand prolonged overheating and intense vibration; yttrium is what allows them to maintain structural integrity and efficiency. The same is true for industrial chip manufacturing, where yttrium-based coatings protect machinery from chemical wear and ensure precision in plasma etching. Its indispensable nature has made it a key element of modern technology and the military.

China’s Role

The problem is that, as with several other resources, China controls almost the entire global yttrium supply chain. Not only does it produce most of it, but it also has the know-how and infrastructure to refine and separate it from other rare earth minerals, a complex and technologically advanced process. According to US data, the United States imports 100 percent of its yttrium needs, 93 percent of which comes directly from China. Such stark dependence creates enormous geopolitical vulnerability.

When Beijing decided to introduce export restrictions as a response to US tariffs, the entire international supply structure began to falter. Companies reported delays, difficulties in obtaining licenses, and uncertainty about delivery times. In the rare earths trade, lack of predictability is often more damaging than reduced volumes: An industry accustomed to just-in-time deliveries can be thrown into crisis by even a few weeks of delay.

The effects were immediate. In Europe, yttrium oxide prices have soared, reaching a 4,400 percent increase since the beginning of the year. Aerospace companies, which rely heavily on this material, have expressed alarm and demanded urgent measures from the US government to expand domestic production. The semiconductor industry is no less concerned: Some companies have called the situation a “serious” threat, predicting impacts on costs, efficiency, and production timelines. Gas-fired power plants, which use yttrium in the protective coatings of turbines, are also monitoring Chinese developments with increasing attention, although they maintain that they have not yet experienced disruptions.



Source link

Continue Reading
Click to comment

Leave a Reply

Your email address will not be published. Required fields are marked *

Tech

Asus Made a Split Keyboard for Gamers—and Spared No Expense

Published

on

Asus Made a Split Keyboard for Gamers—and Spared No Expense


The wheel on the left side has options to adjust actuation distance, rapid-trigger sensitivity, and RGB brightness. You can also adjust volume and media playback, and turn it into a scroll wheel. The LED matrix below it is designed to display adjustments to actuation distance but feels a bit awkward: Each 0.1 mm of adjustment fills its own bar, and it only uses the bottom nine bars, so the screen will roll over four times when adjusting (the top three bars, with dots next to them, illuminate to show how many times the screen has rolled over during the adjustment). The saving grace of this is that, when adjusting the actuation distance, you can press down any switch to see a visualization of how far you’re pressing it, then tweak the actuation distance to match.

Alongside all of this, the Falcata (and, by extension, the Falchion) now has an aftermarket switch option: TTC Gold magnetic switches. While this is still only two switches, it’s an improvement over the singular switch option of most Hall effect keyboards.

Split Apart

Photograph: Henri Robbins

The internal assembly of this keyboard is straightforward yet interesting. Instead of a standard tray mount, where the PCB and plate bolt directly into the bottom half of the shell, the Falcata is more comparable to a bottom-mount. The PCB screws into the plate from underneath, and the plate is screwed onto the bottom half of the case along the edges. While the difference between the two mounting methods is minimal, it does improve typing experience by eliminating the “dead zones” caused by a post in the middle of the keyboard, along with slightly isolating typing from the case (which creates fewer vibrations when typing).

The top and bottom halves can easily be split apart by removing the screws on the plate (no breakable plastic clips here!), but on the left half, four cables connect the top and bottom halves of the keyboard, all of which need to be disconnected before fully separating the two sections. Once this is done, the internal silicone sound-dampening can easily be removed. The foam dampening, however, was adhered strongly enough that removing it left chunks of foam stuck to the PCB, making it impossible to readhere without using new adhesive. This wasn’t a huge issue, since the foam could simply be placed into the keyboard, but it is still frustrating to see when most manufacturers have figured this out.



Source link

Continue Reading

Tech

These Sub-$300 Hearing Aids From Lizn Have a Painful Fit

Published

on

These Sub-0 Hearing Aids From Lizn Have a Painful Fit


Don’t call them hearing aids. They’re hearpieces, intended as a blurring of the lines between hearing aid and earbuds—or “earpieces” in the parlance of Lizn, a Danish operation.

The company was founded in 2015, and it haltingly developed its launch product through the 2010s, only to scrap it in 2020 when, according to Lizn’s history page, the hearing aid/earbud combo idea didn’t work out. But the company is seemingly nothing if not persistent, and four years later, a new Lizn was born. The revamped Hearpieces finally made it to US shores in the last couple of weeks.

Half Domes

Photograph: Chris Null

Lizn Hearpieces are the company’s only product, and their inspiration from the pro audio world is instantly palpable. Out of the box, these look nothing like any other hearing aids on the market, with a bulbous design that, while self-contained within the ear, is far from unobtrusive—particularly if you opt for the graphite or ruby red color scheme. (I received the relatively innocuous sand-hued devices.)

At 4.58 grams per bud, they’re as heavy as they look; within the in-the-ear space, few other models are more weighty, including the Kingwell Melodia and Apple AirPods Pro 3. The units come with four sets of ear tips in different sizes; the default mediums worked well for me.

The bigger issue isn’t how the tip of the device fits into your ear, though; it’s how the rest of the unit does. Lizn Hearpieces need to be delicately twisted into the ear canal so that one edge of the unit fits snugly behind the tragus, filling the concha. My ears may be tighter than others, but I found this no easy feat, as the device is so large that I really had to work at it to wedge it into place. As you might have guessed, over time, this became rather painful, especially because the unit has no hardware controls. All functions are performed by various combinations of taps on the outside of either of the Hearpieces, and the more I smacked the side of my head, the more uncomfortable things got.



Source link

Continue Reading

Tech

Two Thinking Machines Lab Cofounders Are Leaving to Rejoin OpenAI

Published

on

Two Thinking Machines Lab Cofounders Are Leaving to Rejoin OpenAI


Thinking Machines cofounders Barret Zoph and Luke Metz are leaving the fledgling AI lab and rejoining OpenAI, the ChatGPT-maker announced on Thursday. OpenAI’s CEO of applications, Fidji Simo, shared the news in a memo to staff Thursday afternoon.

The news was first reported on X by technology reporter Kylie Robison, who wrote that Zoph was fired for “unethical conduct.”

A source close to Thinking Machines said that Zoph had shared confidential company information with competitors. WIRED was unable to verify this information with Zoph, who did not immediately respond to WIRED’s request for comment.

Zoph told Thinking Machines CEO Mira Murati on Monday he was considering leaving, then was fired today, according to the memo from Simo. She goes on to write that OpenAI doesn’t share the same concerns about Zoph as Murati.

The personnel shake-up is a major win for OpenAI, which recently lost its VP of research, Jerry Tworek.

Another Thinking Machines Lab staffer, Sam Schoenholz, is also rejoining OpenAI, the source said.

Zoph and Metz left OpenAI in late 2024 to start Thinking Machines with Murati, who had been the ChatGPT-maker’s chief technology officer.

This is a developing story. Please check back for updates.



Source link

Continue Reading

Trending