“Sat Chatterjee has waged a campaign of misinformation against me and Azalia for over two years now,” Ms. Goldie said in a written statement.

She said the work had been peer-reviewed by Nature, one of the most prestigious scientific publications. And she added that Google had used their methods to build new chips and that these chips were currently used in Google’s computer data centers.

Laurie M. Burgess, Dr. Chatterjee’s lawyer, said it was disappointing that “certain authors of the Nature paper are trying to shut down scientific discussion by defaming and attacking Dr. Chatterjee for simply seeking scientific transparency.” Ms. Burgess also questioned the leadership of Dr. Dean, who was one of 20 co-authors of the Nature paper.

“Jeff Dean’s actions to repress the release of all relevant experimental data, not just data that supports his favored hypothesis, should be deeply troubling both to the scientific community and the broader community that consumes Google services and products,” Ms. Burgess said.

Dr. Dean did not respond to a request for comment.

After the rebuttal paper was shared with academics and other experts outside Google, the controversy spread throughout the global community of researchers who specialize in chip design.

The chip maker Nvidia says it has used methods for chip design that are similar to Google’s, but some experts are unsure what Google’s research means for the larger tech industry.

“If this is really working well, it would be a really great thing,” said Jens Lienig, a professor at the Dresden University of Technology in Germany, referring to the A.I. technology described in Google’s paper. “But it is not clear if it is working.”

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How Intel Makes Semiconductors in a Global Shortage

Some feature more than 50 billion tiny transistors that are 10,000 times smaller than the width of a human hair. They are made on gigantic, ultraclean factory room floors that can be seven stories tall and run the length of four football fields.

Microchips are in many ways the lifeblood of the modern economy. They power computers, smartphones, cars, appliances and scores of other electronics. But the world’s demand for them has surged since the pandemic, which also caused supply-chain disruptions, resulting in a global shortage.

That, in turn, is fueling inflation and raising alarms that the United States is becoming too dependent on chips made abroad. The United States accounts for only about 12 percent of global semiconductor manufacturing capacity; more than 90 percent of the most advanced chips come from Taiwan.

Intel, a Silicon Valley titan that is seeking to restore its longtime lead in chip manufacturing technology, is making a $20 billion bet that it can help ease the chip shortfall. It is building two factories at its chip-making complex in Chandler, Ariz., that will take three years to complete, and recently announced plans for a potentially bigger expansion, with new sites in New Albany, Ohio, and Magdeburg, Germany.

Why does making millions of these tiny components mean building — and spending — so big? A look inside Intel production plants in Chandler and Hillsboro, Ore., provides some answers.

Chips, or integrated circuits, began to replace bulky individual transistors in the late 1950s. Many of those tiny components are produced on a piece of silicon and connected to work together. The resulting chips store data, amplify radio signals and perform other operations; Intel is famous for a variety called microprocessors, which perform most of the calculating functions of a computer.

Intel has managed to shrink transistors on its microprocessors to mind-bending sizes. But the rival Taiwan Semiconductor Manufacturing Company can make even tinier components, a key reason Apple chose it to make the chips for its latest iPhones.

Such wins by a company based in Taiwan, an island that China claims as its own, add to signs of a growing technology gap that could put advances in computing, consumer devices and military hardware at risk from both China’s ambitions and natural threats in Taiwan such as earthquakes and drought. And it has put a spotlight on Intel’s efforts to recapture the technology lead.

Chip makers are packing more and more transistors onto each piece of silicon, which is why technology does more each year. It’s also the reason that new chip factories cost billions and fewer companies can afford to build them.

In addition to paying for buildings and machinery, companies must spend heavily to develop the complex processing steps used to fabricate chips from plate-size silicon wafers — which is why the factories are called “fabs.”

Enormous machines project designs for chips across each wafer, and then deposit and etch away layers of materials to create their transistors and connect them. Up to 25 wafers at a time move among those systems in special pods on automated overhead tracks.

Processing a wafer takes thousands of steps and up to two months. TSMC has set the pace for output in recent years, operating “gigafabs,” sites with four or more production lines. Dan Hutcheson, vice chair of the market research firm TechInsights, estimates that each site can process more than 100,000 wafers a month. He puts the capacity of Intel’s two planned $10 billion facilities in Arizona at roughly 40,000 wafers a month each.

After processing, the wafer is sliced into individual chips. These are tested and wrapped in plastic packages to connect them to circuit boards or parts of a system.

That step has become a new battleground, because it’s more difficult to make transistors even smaller. Companies are now stacking multiple chips or laying them side by side in a package, connecting them to act as a single piece of silicon.

Where packaging a handful of chips together is now routine, Intel has developed one advanced product that uses new technology to bundle a remarkable 47 individual chips, including some made by TSMC and other companies as well those produced in Intel fabs.

Intel chips typically sell for hundreds to thousands of dollars each. Intel in March released its fastest microprocessor for desktop computers, for example, at a starting price of $739. A piece of dust invisible to the human eye can ruin one. So fabs have to be cleaner than a hospital operating room and need complex systems to filter air and regulate temperature and humidity.

Fabs must also be impervious to just about any vibration, which can cause costly equipment to malfunction. So fab clean rooms are built on enormous concrete slabs on special shock absorbers.

Also critical is the ability to move vast amounts of liquids and gases. The top level of Intel’s factories, which are about 70 feet tall, have giant fans to help circulate air to the clean room directly below. Below the clean room are thousands of pumps, transformers, power cabinets, utility pipes and chillers that connect to production machines.

Fabs are water-intensive operations. That’s because water is needed to clean wafers at many stages of the production process.

Intel’s two sites in Chandler collectively draw about 11 million gallons of water a day from the local utility. Intel’s future expansion will require considerably more, a seeming challenge for a drought-plagued state like Arizona, which has cut water allocations to farmers. But farming actually consumes much more water than a chip plant.

Intel says its Chandler sites, which rely on supplies from three rivers and a system of wells, reclaim about 82 percent of the freshwater they use through filtration systems, settling ponds and other equipment. That water is sent back to the city, which operates treatment facilities that Intel funded, and which redistributes it for irrigation and other nonpotable uses.

Intel hopes to help boost the water supply in Arizona and other states by 2030, by working with environmental groups and others on projects that save and restore water for local communities.

To build its future factories, Intel will need roughly 5,000 skilled construction workers for three years.

They have a lot to do. Excavating the foundations is expected to remove 890,000 cubic yards of dirt, carted away at a rate of one dump truck per minute, said Dan Doron, Intel’s construction chief.

The company expects to pour more than 445,000 cubic yards of concrete and use 100,000 tons of reinforcement steel for the foundations — more than in constructing the world’s tallest building, the Burj Khalifa in Dubai.

Some cranes for the construction are so large that more than 100 trucks are needed to bring the pieces to assemble them, Mr. Doron said. The cranes will lift, among other things, 55-ton chillers for the new fabs.

Patrick Gelsinger, who became Intel’s chief executive a year ago, is lobbying Congress to provide grants for fab construction and tax credits for equipment investment. To manage Intel’s spending risk, he plans to emphasize construction of fab “shells” that can be outfitted with equipment to respond to market changes.

To address the chip shortage, Mr. Gelsinger will have to make good on his plan to produce chips designed by other companies. But a single company can do only so much; products like phones and cars require components from many suppliers, as well as older chips. And no country can stand alone in semiconductors, either. Though boosting domestic manufacturing can reduce supply risks somewhat, the chip industry will continue to rely on a complex global web of companies for raw materials, production equipment, design software, talent and specialized manufacturing.


Produced by Alana Celii

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Inflation Rises to 7.9 Percent for February 2022

Prices climbed at the fastest pace in decades in the month leading up to the war in Ukraine, underlining the high stakes facing the United States — along with many developed economies — as the conflict promises to drive costs higher.

The Consumer Price Index rose by 7.9 percent through February, the fastest pace of annual inflation in 40 years. Rising food and rent costs contributed to the big increase, the Bureau of Labor Statistics said, as did a nascent surge in gas prices that will become more pronounced in the March inflation report.

The February report caught only the start of the surge in gas prices that came in response to Russia’s invasion of Ukraine late last month. Economists expect inflation to pick up even more in March because prices at the pump have since jumped to record-breaking highs. The average price for a gallon of gas was $4.32 on Thursday, according to AAA.

Rapidly climbing costs are hitting consumers in the pocketbook, causing confidence to fall and stretching household budgets. Rising wages and savings amassed during the pandemic have helped many families continue spending despite rising prices, but the burden is falling most intensely on lower-income households, which devote a big chunk of their budgets to daily necessities that are now swiftly becoming more expensive.

signaled it will raise interest rates by a quarter percentage point at its meeting next week, probably the first in a series of moves meant to increase the cost of borrowing and spending money and slow down the economy. By reducing consumption and slowing the labor market, the Fed is able to take some pressure off inflation over time.

Broadening price pressures and high gas costs could become a serious issue for central bank policymakers if they help convince consumers that the run-up in prices will last. If people begin expecting inflation, they may change their behavior in ways that make it more permanent: accepting price increases more readily, and asking for bigger raises to keep up.

“It was another bad report,” said Laura Rosner-Warburton, senior economist at MacroPolicy Perspectives. “Inflation was already way too high before the invasion of Ukraine.”

keep shipping routes tangled and parts scarce. Ukraine is an important producer of neon, which could keep computer chips in short supply, perpetuating the shortages that have plagued automakers. Higher energy costs could ricochet through other industries.

Even without further supply chain troubles, there are signs that inflation is widening beyond a few pandemic-affected sectors, an indication that they could last as the latest virus surge fades from view. Rent of primary residences, for instance, climbed by 0.6 percent from the prior month — the fastest monthly pace of growth since 1999.

Price gains have been rapid around much of the world, causing many central banks to scale back how much help they are providing to their economies. The European Central Bank on Thursday decided to speed up its exit from its bond-buying program as it tries to counter rising inflation. Europe’s push to end its energy dependence on Russia promises to raise costs at a time when inflation is already nearly triple the central bank’s target.

a separate inflation index, but one that is also up considerably.

loss of purchasing power over time, meaning your dollar will not go as far tomorrow as it did today. It is typically expressed as the annual change in prices for everyday goods and services such as food, furniture, apparel, transportation and toys.

For someone who was a longtime Manhattanite, that’s a real loss, Mr. Gutbrod, 61, said. He used to enjoy three restaurant brunches or dinners each week. Now it’s more like one every two weeks.

“I used to go on relaxing drives,” he said, but now joy rides are unaffordable. “I’m on a shoestring budget, and I work pretty hard. For anyone who doesn’t make a lot of money, you have to be intelligent and start cutting corners.”

As it disturbs everyday lives, inflation is likely to dog Democrats and the administration as they fight to retain control of Congress in November. Despite plentiful jobs and quickly rising wages, consumer confidence has fallen to itslowest level since the summer of 2011, when the economy was clambering back from the global financial crisis and Congress was bickering over lifting the nation’s debt ceiling.

That probably at least partly reflects the reality that pay is not quite keeping up with inflation for the typical worker, and that consumers are paying more at the pump, which tends to be a very salient cost for Americans.

In February, the cost of food rose, which is also difficult for consumers on tight budgets. Over the past year, grocery prices have increased by 8.6 percent, the largest yearly jump since the period ending in April 1981. Fresh fruit and dairy products became notably more expensive last month.

The White House has emphasized that it is trying to offset rising costs to the degree that it can.

“We’ve taken steps to address bottlenecks in the supply chain, to reduce those bottlenecks,” Jen Psaki, the White House press secretary, said this week.

But those changes have mostly helped around the edges, and as prices have shown little sign of moderating on their own, Fed officials have coalesced around the view that they will need to use their policies to cool off demand and keep today’s rapid inflation from becoming entrenched. That may limit the central bank’s room to react to any slowdown in growth prompted by uncertainty and high gas prices.

“They need to stay on track,” said Ms. Rosner-Warburton. “They don’t have as much leeway to respond to these risks, given how elevated inflation is.”

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F.T.C. Sues to Block Nvidia’s Takeover of Arm

WASHINGTON — The Federal Trade Commission on Thursday sued to block Nvidia’s $40 billion acquisition of a fellow chip company, Arm, halting what would be the biggest semiconductor industry deal in history, as federal regulators push to rein in corporate consolidation.

The F.T.C. said the deal between Nvidia, which makes chips, and Arm, which licenses chip technology, would stifle competition and harm consumers. The proposed deal would give Nvidia control over computing technology and designs that rival firms rely on to develop competing chips.

“Tomorrow’s technologies depend on preserving today’s competitive, cutting-edge chip markets,” said Holly Vedova, the director of the F.T.C.’s competition bureau. “This proposed deal would distort Arm’s incentives in chip markets and allow the combined firm to unfairly undermine Nvidia’s rivals.”

Federal antitrust regulators have promised greater scrutiny of mergers and a clamp down on monopolies in a push to reinvigorate competition in the economy. The action against the deal is the first major merger decision by the Federal Trade Commission under the leadership of Lina Khan, a critic of big corporate mergers and monopolies in technology. Ms. Khan is among a slew of top antitrust officials picked by President Biden to rein in the power of Silicon Valley giants.

promised to break open gas, telecom and pharmaceutical markets to bring down consumer prices at the gas pump and for home internet and prescriptions. Last month, the Justice Department sued to stop Penguin Random House, the largest publisher in the United States, from acquiring its rival Simon & Schuster.

In a statement, Nvidia said it would contest the F.T.C. lawsuit. “We will continue to work to demonstrate that this transaction will benefit the industry and promote competition.”

The F.T.C. suit, if successful, would not have much immediate financial impact on Nvidia or Arm. Shares in Nvidia rose slightly in aftermarket trading.

But a successful suit would be a blow to Nvidia’s ambitions to play a more central role in shaping the direction of the computer industry — particularly in the field of artificial intelligence.

Arm, a British company that the Japanese conglomerate SoftBank bought in 2016, licenses designs for microprocessors and other technology that other companies use in their semiconductors. Its technology has been wildly successful, providing the calculating functions in essentially all smartphones and many other devices. Arm recently estimated its technology is used in about 25 billion chips per year.

Nvidia, based in California, is a dominant provider of chips used to render graphics in video games, technology it has adapted in recent years to also power artificial-intelligence applications used by cloud companies and self-driving cars.

Jensen Huang, the company’s chief executive, has been pushing the company to become a broader, “full-stack” provider of computing technology. In April, for example, Nvidia said it was building an Arm-based microprocessor for servers used in data centers.

In announcing the deal in September 2020 to buy Arm, Mr. Huang said the combination would create a premier company for advancing A.I. technology. He also promised to operate Arm without any change to its business model, acting independently and treating all chip customers fairly.

Mr. Huang said at the time that artificial intelligence would set off a new wave of computing and that “our combination will create a company fabulously positioned for the age of A.I.”

But the deal was controversial from the start, with some of Arm’s big customers, like Qualcomm, worried about the heightened competition from Nvidia and the possibility of a rival gaining access to their confidential information. Mr. Huang took a dig at Qualcomm’s new chief executive, Cristiano Amon, at an annual dinner hosted by the Semiconductor Industry Association last month in Silicon Valley, asking, “How is it possible that Cristiano knew every regulator on the planet?”

The deal had already attracted close scrutiny from regulators in Europe, particularly in the United Kingdom, where Arm’s headquarters in Cambridge is a major employer. Britain’s Competition and Markets Authority launched an in-depth inquiry into the transaction in November, citing both competition and national-security concerns.

The F.T.C. said the merger would give Nvidia access to sensitive information about its rivals, who license technology and designs from Arm.

“Licensees rely on Arm for support in developing, designing, testing, debugging, troubleshooting, maintaining and improving their products,” the F.T.C. said in a statement. “Arm licensees share their competitively sensitive information with Arm because Arm is a neutral partner, not a rival chip maker. The acquisition is likely to result in a critical loss of trust in Arm and its ecosystem.”

The vote to block the merger was unanimous among the F.T.C.’s commissioners. The full complaint filed by the agency is not expected to be released for a few days. An administrative trial for the lawsuit is scheduled for May 10.

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The Car Market ‘Is Insane’: Dealers Can’t Keep Up With Demand

Some customers have balked at paying top dollar for new cars and have opted to make do with older vehicles. That has increased demand for parts and service, one of the most profitable businesses for car dealers. Many dealers have extended repair-shop hours. Mr. Ricart said he had some repair technicians putting in 10- or 12-hour days three or four days in a row before taking a few days off.

Of course, the shortage of cars will end, but it isn’t clear when.

As Covid-19 cases and deaths rose last spring, automakers shut down plants across North America from late March until mid-May. Since their plants were down and they expected sales to come back slowly, they ordered fewer semiconductors, the tiny brains that control engines, transmissions, touch screens, and many other components of modern cars and trucks.

At the same time, consumers confined to their homes began buying laptops, smartphones and game consoles, which increased demand for chips from companies that make those devices. When automakers restarted their plants, fewer chips were available.

Many automakers have had to idle plants for a week or two at a time in the first half of 2021. G.M., Ford Motor and others have also resorted to producing vehicles without certain components and holding them at plants until the required parts arrive. At one point, G.M. had about 20,000 nearly complete vehicles awaiting electronic components. It began shipping them in June.

Ford has been hit harder than many other automakers because of a fire at one of its suppliers’ factories in Japan. At the end of June, Ford had about 162,000 vehicles at dealer lots, fewer than half the number it had just three months ago and roughly a quarter of the stock its dealers typically hold.

This month, Ford is slowing production at several North American plants because of the chip shortage. The company said it planned to focus on completing vehicles.

Mr. Ricart recently took a trip on his Harley-Davidson to Louisville, Ky., and got a look at the trucks and S.U.V.s at a Ford plant that are waiting to be finished. He said he had seen “thousands of trucks in fields with temporary fencing around them.”

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The Tech Cold War’s ‘Most Complicated Machine’ That’s Out of China’s Reach

SAN FRANCISCO — President Biden and many lawmakers in Washington are worried these days about computer chips and China’s ambitions with the foundational technology.

But a massive machine sold by a Dutch company has emerged as a key lever for policymakers — and illustrates how any country’s hopes of building a completely self-sufficient supply chain in semiconductor technology are unrealistic.

The machine is made by ASML Holding, based in Veldhoven. Its system uses a different kind of light to define ultrasmall circuitry on chips, packing more performance into the small slices of silicon. The tool, which took decades to develop and was introduced for high-volume manufacturing in 2017, costs more than $150 million. Shipping it to customers requires 40 shipping containers, 20 trucks and three Boeing 747s.

The complex machine is widely acknowledged as necessary for making the most advanced chips, an ability with geopolitical implications. The Trump administration successfully lobbied the Dutch government to block shipments of such a machine to China in 2019, and the Biden administration has shown no signs of reversing that stance.

Congress is debating plans to spend more than $50 billion to reduce reliance on foreign chip manufacturers. Many branches of the federal government, particularly the Pentagon, have been worried about the U.S. dependence on Taiwan’s leading chip manufacturer and the island’s proximity to China.

A study this spring by Boston Consulting Group and the Semiconductor Industry Association estimated that creating a self-sufficient chip supply chain would take at least $1 trillion and sharply increase prices for chips and products made with them.

Moore’s Law, named after Gordon Moore, a co-founder of the chip giant Intel.

In 1997, ASML began studying a shift to using extreme ultraviolet, or EUV, light. Such light has ultrasmall wavelengths that can create much tinier circuitry than is possible with conventional lithography. The company later decided to make machines based on the technology, an effort that has cost $8 billion since the late 1990s.

The development process quickly went global. ASML now assembles the advanced machines using mirrors from Germany and hardware developed in San Diego that generates light by blasting tin droplets with a laser. Key chemicals and components come from Japan.

a final report to Congress and Mr. Biden in March, the National Security Commission on Artificial Intelligence proposed extending export controls to some other advanced ASML machines as well. The group, funded by Congress, seeks to limit artificial intelligence advances with military applications.

Mr. Hunt and other policy experts argued that since China was already using those machines, blocking additional sales would hurt ASML without much strategic benefit. So does the company.

“I hope common sense will prevail,” Mr. van den Brink said.

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