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How IBM and Moderna's partnership could lead to an explosion in drug development

How IBM and Moderna's partnership could lead to an explosion in drug development

Fast Company2 days ago
IBM: International Business Machines, or 'Incredible Breakthroughs in Medicine'?
IBM may need to tweak its moniker in light of recent news, because its recent work in quantum computing, in partnership with Moderna, could lead to potentially explosive breakthroughs in the medical field.
The companies' recently published research showed 'promise' using a combination of both quantum and classical computers to 'predict mRNA secondary structures,' which may make it easier to develop and design new mRNA-based medicines and treatments. Until now, this wasn't possible due to the amount of computing power needed to calculate potential complex interactions at a molecular level. But quantum computing, which is being used in similar ways such as materials design, is giving scientists the extra computational firepower they need to do it.
The results? More, better drugs, developed on much shorter time frames.
'One of the biggest challenges when identifying the best candidates for mRNA-based medicines is determining how they will instruct mRNA to fold in the body—a challenging optimization problem that gets harder and harder to solve for larger mRNA sequences, ultimately pushing the limits of even the most advanced classical computers,' says Sarah Sheldon, Senior Manager of Applied Quantum Science at IBM. 'By applying an approach that leverages the strengths of both quantum and classical computing, the Moderna and IBM team has set a new record in the scale of mRNA structure problems that quantum computers are able to solve.'
In effect, utilizing quantum computers on a large scale 'could transform life sciences,' she says.
'Quantum computing holds the promise to help streamline the design of new medicines, while reducing the time and cost scales of bringing new therapies to market,' explains Sheldon. 'As quantum computers continue to expand their computational power and new algorithms emerge, they could accelerate drug discovery and enable more precise and effective medicines.'
While that's obviously exciting news, it's worth noting that some in the tech field have tried to throw cold water on the hubbub surrounding quantum computing. Nvidia CEO Jensen Huang, for instance, said earlier this year that he thought quantum computers were still decades away—a notion that was rejected by others in the space. Some companies already do have commercially available quantum computers on the market, and others are working on their own, such as IBM.
One thing we do know, at this point, is that the promise of quantum computing, when pointed at existing research bottlenecks, has many researchers excited.
'We're already seeing promising early results,' says Sheldon. 'We expect to make meaningful progress with our partners across global industries to scale algorithms capable of running increasingly more complex quantum circuits with greater accuracy—a critical step toward realizing practical and industry-relevant applications in fields such as life sciences, materials, chemistry, optimization, and more.'
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This is How Modern Tech Wizards Are Training
This is How Modern Tech Wizards Are Training

Entrepreneur

time3 minutes ago

  • Entrepreneur

This is How Modern Tech Wizards Are Training

Get 3,000 hours of intense IT training and one year to complete it for only $50. Disclosure: Our goal is to feature products and services that we think you'll find interesting and useful. If you purchase them, Entrepreneur may get a small share of the revenue from the sale from our commerce partners. If you're trying to move forward in your IT career, it helps to have training that fits your schedule and actually prepares you for the work. Instead of juggling individual courses or paying for each certification separately, try the Vision Training System 365 Training Pass to get one full year of unlimited access to a massive catalog of on-demand IT training. It's only $49.99 (reg. $299) right now. One year of intense tech training The platform includes more than 3,000 hours of lessons, covering certifications such as CompTIA A+, Network+, and Security+, plus Cisco CCNA, Microsoft Azure, AWS, and more. Everything is taught by experienced instructors and designed to prepare you for real exams and real-world challenges. Whether you're focused on cybersecurity, cloud systems, or project management, the content is already organized into learning paths to help you work through it efficiently. Because it's all online, you can study whenever and wherever you want. The courses work on phones, laptops, and tablets, so you can make progress in short windows between other responsibilities. You also get access to practice tests, so you're not walking into an exam blind. For current professionals, this can be a way to stay current or expand into new areas without leaving your job. For beginners, it's an affordable way to get up to speed on the skills hiring managers are looking for. And for business owners, it's a resource that could be shared with team members who need to grow into IT roles. The value is in the flexibility. You pay one price, and for 12 months, you've got a full IT training library at your fingertips. If you've been putting off certification or trying to find a structured way to learn more, this is a practical solution that's easy to start and stick with. Unlock a full year of IT training. Get the Vision Training Systems 365 Training Pass while it's still on sale for $49.99. Vision Training Systems 365 Training Pass: 1-Year Subscription See Deal StackSocial prices subject to change

Why My Mobile Hotspot May Be Better Than My Home Internet
Why My Mobile Hotspot May Be Better Than My Home Internet

CNET

time3 minutes ago

  • CNET

Why My Mobile Hotspot May Be Better Than My Home Internet

Mobile hotspots are incredibly handy when you're in a pinch-whether your home Wi-Fi is down during a storm or you're traveling and need a quick way to connect. But could a mobile hotspot actually replace your home internet altogether? It's a fair question, especially with rising monthly bills from traditional providers and the growing reliability of cellular networks. While it seems like a simple enough solution to bypass internet throttling from your provider or save money, as someone who writes about broadband daily, I wasn't easily convinced. Instead of relying solely on other sources, I decided to test it for myself. Here's what I discovered after using my mobile hotspot at home for three days. First off, what is a hotspot? Let's clear this up: A hotspot is a physical location where people can connect wirelessly to the internet. There are three different types: public, private and mobile hotspots -- with mobile hotspots generally being the most secure. Let's take a closer look. Public hotspot Public hotspots are specific locations established by businesses or public spaces that provide free Wi-Fi. You can find these in libraries, cafes and even shopping malls. Public hotspots allow anyone within range to connect to the internet, but usually lack the security you'd find with a private hotspot. Most public hotspots are not encrypted with passwords, which makes it easier for hackers or outside threats like malware and viruses to intercept connected devices. If you're handling sensitive information while connected to a public hotspot, you should take extra security measures and use a VPN. Private hotspot On the other hand, a private hotspot is not free, but it is more secure than a public hotspot. For example, your home network can be characterized as a private hotspot. A private hotspot can wirelessly connect devices to the internet using a router supported by your internet service provider. Your network will likely be encrypted with a strong Wi-Fi password and only certain people will be able to access it. Locating local internet providers Mobile hotspot The cellular network that your mobile phone is connected to can also be used as a hotspot. If your phone is nearby, you can connect devices such as your computer, tablet, smart gadgets and more to the internet. Many mobile providers such as AT&T, T-Mobile and Verizon offer users the built-in personal hotspot feature. Using a mobile hotspot at home: Yay or nay? I tested my mobile hotspot for three days by using it as my primary internet connection method. Before setting up my hotspot, I made sure my phone was near my computer. Then, I disconnected from my Wi-Fi on my phone, went into my iOS settings and turned on my personal hotspot. Next, I opened the Wi-Fi panel on my computer and waded through the different networks until I found and connected to my phone's hotspot. For context, my mobile provider is AT&T, and I have the 60GB Unlimited data plan. Right away, the first thing that leaped out at me while using my hotspot was the drastic drop in speed. On average, I was getting less than 10 megabits per second in download speeds and about 10Mbps in upload speeds. Yeah -- that's a no from me. When using my mobile hotspot, I received an average download speed of less than 10Mbps and only 10Mbps in uploads. Ookla/Screenshot by CNET Speed is usually not a deal-breaker for me, since I don't game excessively or stream that frequently. But working from home means joining video conferences, which require at least 10 to 20Mbps, according to CNET's speed guide. I used Ookla to perform an internet speed test over my mobile hotspot. (Disclosure: Ookla is owned by the same parent company as CNET, Ziff Davis.) I averaged less than 10Mbps in downloads and 10Mbps in uploads over the three days of using my hotspot. For context, the Federal Communications Commission defines broadband as speeds of at least 100Mbps in download and 20Mbps in upload. Comparatively, I saw much faster speeds when I used my traditional Wi-Fi router, which was receiving an average of over 530Mbps in downloads and 240Mbps in uploads. Besides the intermittent lagging during video conferences, sending large files and emails also took a hit. CNET's How-To expert Nelson Aguilar encourages people to avoid connecting their computers to a mobile hotspot. "The only time I ever use a mobile hotspot is when I'm sharing it with someone else's phone or tablet," says Aguilar. "A mobile device typically uses less data than a computer, and so the performance is much higher than with a computer, which often runs several high-bandwidth tasks in the background that can quickly consume data and slow down performance." Mobile hotspot use and battery life Since your mobile hotspot acts as a router, sending and receiving signals, using your mobile hotspot throughout the day can lower your battery. Unless your phone is continuously charged, using a mobile hotspot may not be an ideal way to connect to the internet long term. A mobile hotspot at home can be convenient (until it's not) Trisha Jandoc/CNET My mobile hotspot use abruptly stopped while I was on the train on my way to the office. I was attempting to connect my computer to my mobile hotspot in hopes of accessing the internet to send some emails. My laptop would say connected on the Wi-Fi panel, but there was no internet. Thankfully, I was on the way to the office and could access the internet there. But the next day, I was working from home, and the looming question came: What do I do now? I was on AT&T's 60GB Unlimited data plan, and as you can imagine, I was confused. Did I really burn through 60GB of data in the two days I used my mobile hotspot? At least the "unlimited" part of the plan meant I would not be charged data overage fees if I reached maximum data. Besides the slow speeds, you should always consider that your mobile hotspot is less reliable than traditional Wi-Fi. There could be different factors, such as network outages, poor signal, proximity to your provider's nearest cellular tower, or, in my case, technical issues (which I'll get into in a bit). These things are outside your control and ultimately disrupt how you stay connected. The following day, I had to call AT&T and troubleshoot my mobile hotspot in order to continue working from home. How to troubleshoot your mobile hotspot at home when it's not working There are different ways to diagnose issues with your mobile hotspot from home. Whether you're an iPhone or Android user, sometimes the easiest action to start with is to simply turn your phone on and off. If that doesn't solve it, try the following steps. Turning off battery-saving mode: If restarting your phone doesn't work, you can try turning off battery-saver mode in your phone settings. According to Asurion, low-power mode can interfere with your mobile hotspot. If restarting your phone doesn't work, you can try turning off battery-saver mode in your phone settings. According to Asurion, low-power mode can interfere with your mobile hotspot. Disconnect from your VPN: While using a VPN can protect your network from outside threats, it can also disrupt your mobile hotspot signal. A VPN may not be necessary if you are using a private hotspot (connecting to your mobile provider's network). While using a VPN can protect your network from outside threats, it can also disrupt your mobile hotspot signal. A VPN may not be necessary if you are using a private hotspot (connecting to your mobile provider's network). Updating your phone's software: Before you know it, it's been over six months since you updated your phone. It happens to the best of us. Conducting a software update on your phone could prevent issues that arise from your mobile hotspot. To do this, simply go into your iPhone or Android settings and check if any updates are needed. This software update could take some time to complete, so keep this in mind if you have any time-sensitive things you need to do quickly. Reset your phone's network settings Trisha Jandoc/CNET If you're like me and these tips did not improve your mobile hotspot, the next thing to do is contact your mobile provider. I called AT&T's tech support number and explained my issue. The AT&T representative confirmed over the phone that I still had plenty of usage left in my data, so my concern about burning through my data was unfounded -- that was not why I was having problems. The AT&T rep gave me the following instructions on how to restart your network settings. While I followed these steps on my iPhone, I also included instructions for Android users. iPhone To change or update the name of your mobile hotspot, go to Settings > General > About > Name > change the name to [user's iPhone]. To change your mobile hotspot password, go to Settings > Personal Hotspot > Update your password. To reset your phone's network settings, go to Settings > General > Transfer or Reset iPhone > Reset. (Important note: If you get to this step, your phone will automatically disconnect, restart and forget all the Wi-Fi passwords your device is connected to.) Android To change or update the name of your mobile hotspot, go to Settings > Wi-Fi network > Hotspot & Tethering > Wi-Fi hotspot > click hotspot name > Change name. To change your mobile hotspot password, go to Settings > Wi-Fi network > Hotspot & Tethering > Wi-Fi hotspot > click Password > change password. To reset your phone's network settings,go to Settings > Click System > (Advanced) > Reset Options > Reset Network Settings > click Reset. If you're still stuck, I would consider contacting your mobile provider for further assistance. Using a mobile hotspot at home: Pros and cons While using a mobile hotspot has some unique benefits, you should also be aware of a few drawbacks if you're aiming to use it at home. Pros Convenient: As long as you can access your mobile device, a hotspot is easy to use. As long as you can access your mobile device, a hotspot is easy to use. A solid internet backup: It's always safe to have an internet backup option, especially in cases of emergency. Whether your power went out, severe weather affected your internet connection or your wired internet provider is experiencing a massive network outage, a mobile hotspot can be an easy way to stay connected to the internet. Cons Costly: At first, it may seem like using a mobile hotspot is a cheaper alternative than paying for your traditional home internet service, but this could prove to be more costly down the line. On average, customers pay a monthly bill ranging from $20 to $50 for their phones. On top of this, you may also incur additional data overage fees for every certain block of data used. If you're on an unlimited data plan, you won't have to worry about paying overage fees, but you may face annoyingly slow speeds once you've reached your data cap. At first, it may seem like using a mobile hotspot is a cheaper alternative than paying for your traditional home internet service, but this could prove to be more costly down the line. On average, customers pay a monthly bill ranging from $20 to $50 for their phones. On top of this, you may also incur additional data overage fees for every certain block of data used. If you're on an unlimited data plan, you won't have to worry about paying overage fees, but you may face annoyingly slow speeds once you've reached your data cap. Slow, unreliable speeds: Generally, you'll find faster speeds with traditional fixed home internet. Even if you can only access a fixed wireless or satellite internet connection, most home internet providers can deliver speeds that meet the Federal Communications Commission's broadband benchmark with 100Mbps in download and 20Mbps in upload . Generally, you'll find faster speeds with traditional fixed home internet. Even if you can only access a fixed wireless or satellite internet connection, most home internet providers can deliver speeds that meet the Federal Communications Commission's broadband benchmark with 100Mbps in download and 20Mbps in upload Not accessible everywhere: Your actual speeds will probably not match the advertised speeds of your plan. Your mobile hotspot relies heavily on your mobile provider's cellular tower. Depending on your proximity to the tower, your speeds can vary. More importantly, for those who live in less populated or rural areas, access to a 5G connection may not always be guaranteed. Your actual speeds will probably not match the advertised speeds of your plan. Your mobile hotspot relies heavily on your mobile provider's cellular tower. Depending on your proximity to the tower, your speeds can vary. More importantly, for those who live in less populated or rural areas, access to a 5G connection may not always be guaranteed. Can reduce phone battery: Overall, using your mobile phone as a hotspot throughout the day may not be ideal. Unless you can keep your phone charged at all times, a mobile hotspot may not be ideal when you're on the go. Bottom line: It's a no for me on using a mobile hotspot at home, but it can still be a lifesaver in other cases After completing this experiment, I confirmed that it doesn't really make sense to use your mobile hotspot as a primary source of home internet connection. The purpose of having a mobile hotspot at home is to act as a backup option in times of emergency. When your power goes out or your internet provider is experiencing a network outage, a mobile hotspot is a great way to stay connected. However, using a mobile hotspot as your primary mode of connecting your home to the internet isn't ideal. You'll find a faster, more reliable internet service with a fixed broadband connection. If you love traveling, then a mobile hotspot might be something you use pretty frequently. For typical household usage, you'll want to turn to your mobile hotspot only as a secondary option. Mobile hotspot at home FAQs What is the difference between a hotspot and Wi-Fi? The two are related. A hotspot is a specific location where you can connect wirelessly to the internet. It can be public (typically libraries, airports, malls or cafes) or private (your home network, for example, or using your phone to connect other devices wirelessly). Wi-Fi is a broad term used to describe connecting to the internet wirelessly. Is using a mobile hotspot better than using your Wi-Fi router at home? Not really. While a mobile hotspot is convenient and portable, making it easier to stay connected on the go, it shouldn't be your primary way of connecting to the internet at home unless it's your only option. Usually, a fixed internet connection will provide you and your household with better performance at home.

Trump Administration Live Updates: Hostility in Washington Raises Shutdown Worries
Trump Administration Live Updates: Hostility in Washington Raises Shutdown Worries

New York Times

time5 minutes ago

  • New York Times

Trump Administration Live Updates: Hostility in Washington Raises Shutdown Worries

Treasury Secretary Scott Bessent, left, and Jamieson Greer, the U.S. trade representative, second from right, meeting with Chinese officials in Geneva in May. In recent years, one of China's biggest requests of American officials has been that the United States relax its strict controls on advanced artificial intelligence chips, measures that were put in place to slow Beijing's technological and military gains. Last week, the Trump administration did just that, as it allowed the world's leader in A.I. chips, the U.S.-based Nvidia, to begin selling a lower-level but still coveted chip known as H20 to China. The move was a dramatic reversal from three months ago, when President Trump himself banned China from accessing the H20, while also imposing triple-digit tariffs on Beijing. That set off an economically perilous trade clash, as China retaliated by clamping down on exports of minerals and magnets that are critical to American factories, including automakers and defense manufacturers. China's decision to cut off access to those materials upended the dynamic between the world's largest economies. The Trump administration, which came into office determined to bully China into changing its trade behavior with punishing tariffs, appeared to realize the perils of that approach. Now, the administration has resorted to trying to woo China instead. Officials throughout the government say the Trump administration is putting more aggressive actions on China on hold, while pushing forward with moves that the Chinese will perceive positively. That includes the reversal on the H20 chip. The H20 decision was primarily motivated by top Trump officials who agreed with Nvidia's arguments that selling the chip would be better for American technology leadership than withholding it, people familiar with the move say. But Trump officials have also claimed that it was part of the trade talks. After telling Congress in June that there was 'no quid pro quo in terms of chips for rare earths,' Scott Bessent, the Treasury secretary, reversed those comments on July 15, saying that the H20 move was 'all part of a mosaic' of talks with China. 'They had things we wanted, we had things they wanted, and we're in a very good place,' he said. Image A chip from Nvidia. The company's chief executive, Jensen Huang, has gone on a lobbying blitz in Washington, pushing politicians to open China for A.I. chip sales. Credit... Mike Kai Chen for The New York Times A Chinese Ministry of Commerce official seemed to reject that on Friday, saying that the United States had 'taken the initiative' to approve the H20 sales. China believes the U.S. should continue to remove its trade and economic restrictions, the official said. A person familiar with the talks, who spoke on condition of anonymity because he was not authorized to speak publicly, said that the H20 chip was not specifically discussed in meetings between Chinese and American officials in Geneva and London this spring. But the reversal was part of a more recent cadence of warmer actions the United States and China have taken toward each other. For instance, Beijing agreed in recent weeks to block the export of several chemicals used to make fentanyl, an issue Mr. Trump has been concerned about. Recent events have underscored the influence that China has over the U.S. economy. When Mr. Trump raised tariffs on Chinese exports in April, some top Trump officials thought Beijing would quickly fold, given its recent economic weakness. Instead, Beijing called Mr. Trump's bluff by restricting rare earths needed by American makers of cars, military equipment, medical devices and electronics. As the flow of those materials stopped, Mr. Trump and other officials began receiving calls from chief executives saying their factories would soon shut down. Ford, Suzuki and other companies shuttered factories because of the lack of supply. Mr. Trump and his top advisers were surprised by the threat that Beijing's countermove posed, people familiar with the matter say. That brought the United States back to the negotiating table this spring to strike a fragile trade truce, which Trump officials are now wary of upsetting. That agreement dropped tariffs from a minimum 145 percent to 30 percent, with the Chinese agreeing to allow rare earths to flow as freely as before. The administration's caution when it comes to China has been amplified by Mr. Trump's desire for an invitation to Beijing later this year. The president, who has been feted on other foreign trips, wants to engage in face-to-face trade negotiations with Chinese leader Xi Jinping. Howard Lutnick, the commerce secretary, has begun recruiting chief executives for a potential delegation, setting off a competition over who will get to ride in Air Force One, according to people familiar with the plans. Craig Allen, a retired diplomat, said both countries were 'clearly preparing for a summit meeting,' adding, 'that's bringing forth measures that the other side wants and it's also holding back measures that the other side doesn't want.' 'It's like a dance,' Mr. Allen said. 'One side makes a move, the other side makes a move to correspond to that.' The Commerce Department declined to comment. The White House, the Treasury Department and the Office of the United States Trade Representative did not respond to a request for comment. 'The government understands that forcing the world to use foreign competition would only hurt America's economic and national security,' John Rizzo, a spokesman for Nvidia, said. A Chinese bargaining chip Opposition to China has fueled bipartisan action for the last decade. Now, Mr. Trump's more hawkish supporters are quietly watching as the president remakes the party's China strategy. Though few are willing to speak out publicly, officials in the Trump administration and in Congress have privately expressed concern that the trade war has given China an opening to finally bring U.S. technology controls onto the negotiating table. Christopher Padilla, a former export control official in the George W. Bush administration, said the fact that the United States was now negotiating over what were supposed to be security restrictions was 'a significant accomplishment for the Chinese.' 'They've been after this for decades, and now they've succeeded,' he said. 'I assume the Chinese are going to demand more concessions on export controls in return for whatever we want next.' Mr. Trump was the first to harness the power of U.S. export controls, by targeting Chinese tech giant Huawei and putting global restrictions on American technology in his first term. But the Biden administration expanded those rules. Concerned that China's growing A.I. capacity would advance its military, Biden officials cracked down on exports of Nvidia chips, seeing them as the most effective choke point over Chinese A.I. capabilities. Image President Trump and Mr. Huang at the White House in April. Mr. Huang argues that blocking U.S. technology from China has created more urgency for China to develop its own technology. Credit... Pete Marovich for The New York Times Since then, when Chinese officials raised their objections to U.S. technology controls in meetings, U.S. officials had responded by insisting that the measures were national security matters and not up for debate. But in the meeting in Geneva in May, China finally had a powerful counterargument. Beijing insisted that its minerals and magnets, some of which go to fighter jets, drones and weaponry, were a 'dual-use' technology that could be used for the military as well as civilian industries, just like A.I. and chips. It demanded reciprocity: If the United States wanted a steady flow of rare earths, Washington should also be ready to lessen its technology controls. It's not clear exactly what the United States agreed to in Geneva: The agreement has never been made public. But when the United States put out an unrelated export control announcement the day after the Geneva summit concluded, China responded angrily, saying the statement 'undermined the consensus' the countries had reached. In a notice on May 13, the Commerce Department said that using Huawei's A.I. chips 'anywhere in the world' was an export control violation. The notice was directed at other nations considering purchasing Huawei chips, people familiar with the move said, not the Chinese. The announcement appeared to take other parts of the Trump administration by surprise, and within hours, the language in the release was walked back, though no policy changes were made. Mr. Bessent and Jamieson Greer, the trade representative, expressed concerns that such moves could damage trade talks with China, people familiar with the incident said. China once again clamped down on rare earth exports. Trying to find its own leverage, the United States responded by restricting exports of semiconductor design software, airplane parts and ethane. The two sides restored their truce in a meeting in London in June. Since then, trade in those products has restarted. But U.S. companies complain that Chinese licenses for rare earth magnets are limited to six months, and that the Chinese government is requesting proprietary information to obtain those shipments. Beijing has also continued to build out its export controls. On June 15, the day after Nvidia said it would be permitted to sell the H20 in China, Chinese officials announced new restrictions on exports of battery technology. The United States has been trying to decrease its dependence on China for rare earths, but there is no quick solution. China has a powerful hold over numerous industries, ranging from pharmaceuticals to solar panels to drones. 'The challenge for the Trump administration is, how do they get out of this quagmire?' said Jimmy Goodrich, a senior adviser for technology analysis to the RAND Corporation. 'It appears some competitive U.S. actions are now at the whims of Beijing, who can now determine the time, place and nature of U.S. tech and trade policy toward China.' Deal makers in the White House The change in the relationship with China has coincided with a separate shift in the administration, in which officials who favor technology controls on China have been sidelined in favor of those who support the tech industry's ambitions to sell abroad. Mr. Lutnick and Marco Rubio, the secretary of state who has long been an ardent China critic, have hewed closely to the position of the president, who is more of a deal maker than a national security hawk. And hawkish members of the National Security Council have been fired in recent months, after being accused of insufficient loyalty. Their absence has paved the way for officials like David Sacks, the White House A.I. czar, who has criticized export controls, to push for tech companies to have freer rein. Nvidia's chief executive, Jensen Huang, has gone on a lobbying blitz in Washington, pushing politicians to open China for A.I. chip sales. Mr. Huang has contended that blocking U.S. technology from China has backfired by creating more urgency for China to develop its own technology. He has argued that the Chinese military won't use Nvidia chips, and pushed back against Washington's consensus that China is an adversary, describing it a 'competitor' but 'not our enemy.' Image The change in the U.S. relationship with China has coincided with a separate shift in the Trump administration, in which officials who favor technology controls on China have been sidelined. Credit... Haiyun Jiang for The New York Times Others have challenged those assertions, pointing to past research that the Chinese military has placed orders for Nvidia chips. Scientific papers published earlier this year also showed Chinese researchers with ties to military universities and a top nuclear weapons lab using Nvidia chips for general research. Mr. Rizzo, the Nvidia spokesman, said in a statement that 'non-military papers describing new and beneficial ways to use U.S. technology promote America.' In a letter on Friday, John Moolenaar, the Republican chairman of the House Select Committee on China, said the H20 chip had aided the rise of the Chinese A.I. model DeepSeek and would help China develop A.I. models to compete with American ones. These arguments do not appear to have persuaded the president. In an Oval Office meeting with Mr. Huang in July, Mr. Trump agreed with Nvidia that keeping American chips out of China would only help Huawei, and decided to reverse the H20 ban. People familiar with Mr. Trump's views say he has always viewed export controls more transactionally. In his first term, Mr. Trump agreed to roll back U.S. restrictions on ZTE at the urging of Mr. Xi. In this term, Mr. Trump and his advisers have begun using America's control over A.I. chips as a source of leverage in negotiations with governments from the Middle East to Asia. With China, Mr. Trump has his own longstanding aspirations. He believes that U.S. businesses have been getting ripped off for decades, and that he can be the one to fix it, particularly if he negotiates directly with Mr. Xi. His advisers have begun strategizing toward a more substantial trade negotiation with China focused on market opening, as well as the potential visit this fall.

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