Business
This L.A. startup uses SpaceX tech to cool data centers with less power and no water
As the artificial intelligence industry heats up, Karman Industries is trying to cool it down.
The Signal Hill startup says it has developed a cooling system that uses SpaceX rocket engine technology to rein in the environmental impact of data centers, chilling them with less space, less power and no water.
It recently raised $20 million and expects to start building its first compressors in Long Beach later this year.
“Our high-level thesis is we could build the best compressor out there using the latest and greatest technology,” said David Tearse, chief executive of Karman. “We want to reduce that electrical consumption of cooling so that you have the most efficient way to cool these chips.”
The high-end, expensive chips that power AI can slow down or shut off when they overheat. They can reach more than 200 degrees, but need to be below 150 degrees to work best.
Cooling warehouses packed with tens of thousands of them can require fields full of equipment and huge quantities of water.
Karman has developed a cooling system similar to the heat pumps in the average home, except its pumps use liquid carbon dioxide as refrigerant, which is circulated using rocket engine technology rather than fans. The company’s efficient pumps can reduce the space required for data center cooling equipment by 80%.
Over the years, data centers have used fans and air conditioning to blow cold air on the chips. Bigger facilities pass cold liquid through tubes near the chips to absorb the heat. This hot liquid is sent outside to a cooling yard, where sprawling networks of pipes use as much water as a city of 50,000 people to remove the heat.
A 50 megawatt data center also uses enough electricity to power a mid-sized city.
As AI has super-sized data centers, adding more and more chips, they have needed increasing amounts of space and power for cooling.
“It’s kind of a losing battle, especially when you keep densifying your chips,” said Tearse.
Cooling systems account for up to 40% of a data center’s power consumption and an average midsized data center consumes more than 35,000 gallons of water per day.
Nearly 100 gigawatts of new data center capacity will be added by 2030 and energy constraints have become the biggest barrier for expansion. U.S. data centers will consume about 8% of all electricity in the country by 2030, according to the International Energy Agency.
Communities across the U.S. have begun protesting data center construction, fearing that the power and water needs could strain infrastructure and boost costs to consumers. The cooling systems are projected to use up to 33 billion gallons of water by 2028 per year.
Big tech companies and venture capital investors are spending billions of dollars to replace old-school technologies with energy-efficient solutions. Microsoft announced a new data center design that uses zero water for cooling. It recently vowed to ensure its data centers don’t increase the electricity costs or deny water to nearby communities.
The data center-cooling market is projected to grow from about $11 billion in 2025 to nearly $25 billion by 2032.
To serve this seemingly insatiable market, Karman has developed a rotating compressor that spins at 30,000 revolutions per minute — nearly 10 times faster than traditional compressors — to move heat.
“Three or four years ago, it was very challenging to do just because the motors didn’t exist. Automotive components are getting up to those speeds,” said Chiranjeev Kalra, co-founder and chief technology officer of Karman.
About a third of Karman’s 23-person team came from SpaceX or Rocket Lab, and they co-opted technologies from aerospace engineering and electric vehicles to design the mechanics for the high-speed motors.
The system uses a special type of carbon dioxide under high pressure to transfer heat from the data center to the outside air. Depending on the conditions, it can do the same amount of cooling using less than half the energy.
Karman’s heat pump can either reject heat to air, or route it into extra cooling, or even power generation.
One of the potentially biggest selling points for the systems is that they don’t require water, which will enable data centers in spots where water is scarce.
In really hot places such as Texas and Arizona, cooling systems struggle, either using excessive water to cool or having to throttle the chips to stop them from overheating.
Karman’s latest funding round brings the total money raised to more than $30 million. Major participants included Riot Venture, Sunflower Capital, Space VC, Wonder Ventures, and former Intel and VMware CEO Pat Gelsinger.
Karman said it will begin customer deliveries in the summer of 2026 from its Los Angeles manufacturing facility that is designed to make 100 units per year. The plan is to eventually quadruple capacity.
If successful, Karman could dent the market share of Trane Technologies and Schneider Electric, the leaders in heat rejection systems.
Business
How We Cover the White House Correspondents’ Dinner
Times Insider explains who we are and what we do, and delivers behind-the-scenes insights into how our journalism comes together.
Politicians in Washington and the reporters who cover them have an often adversarial relationship.
But on the last Saturday in April, they gather for an irreverent celebration of press freedom and the First Amendment at the Washington Hilton Hotel: The White House Correspondents’ Association dinner.
Hosted by the association, an organization that helps ensure access for media outlets covering the presidency, the dinner attracts Hollywood stars; politicians from both parties; and representatives of more than 100 networks, newspapers, magazines and wire services.
While The Times will have two reporters in the ballroom covering the event, the company no longer buys seats at the party, said Richard W. Stevenson, the Washington bureau chief. The decision goes back almost two decades; the last dinner The Times attended as an organization was in 2007.
“We made a judgment back then that the event had become too celebrity-focused and was undercutting our need to demonstrate to readers that we always seek to maintain a proper distance from the people we cover, many of whom attend as guests,” he said.
It’s a decision, he added, that “we have stuck by through both Republican and Democratic administrations, although we support the work of the White House Correspondents’ Association.”
Susan Wessling, The Times’s Standards editor, said the policy is a product of the organization’s desire to maintain editorial independence.
“We don’t want to leave readers with any questions about our independence and credibility by seeming to be overly friendly with people whose words and actions we need to report on,” she said.
The celebrity mentalist Oz Pearlman is headlining the evening, in lieu of the usual comedy set by the likes of Stephen Colbert and Hasan Minhaj, but all eyes will be on President Trump, who will make his first appearance at the dinner as president.
Mr. Trump has boycotted the event since 2011, when he was the butt of punchlines delivered by President Barack Obama and the talk show host Seth Meyers mocking his hair, his reality TV show and his preoccupation with the “birther” movement.
Last month, though, Mr. Trump, who has a contentious relationship with the media, announced his intention to attend this year’s dinner, where he will speak to a room full of the same reporters he often derides as “enemies of the people.”
Times reporters will be there to document the highs, the lows and the reactions in the room. A reporter for the Styles desk has also been assigned to cover the robust roster of after-parties around Washington.
Some off-duty reporters from The Times will also be present at this late-night circuit, though everyone remains cognizant of their roles, said Patrick Healy, The Times’s assistant managing editor for Standards and Trust.
“If they’re reporting, there’s a notebook or recorder out as usual,” he said. “If they’re not, they’re pros who know they’re always identifiable as Times journalists.”
For most of The Times’s reporters and editors, though, the evening will be experienced from home.
“The rest of us will be able to follow the coverage,” Mr. Stevenson said, “without having to don our tuxes or gowns.”
Business
MrBeast company sued over claims of sexual harassment, firing a new mom
A former female staffer who worked for Beast Industries, the media venture behind the popular YouTube channel MrBeast, is suing the company, alleging she was sexually harassed and fired shortly after she returned from maternity leave.
The employee, Lorrayne Mavromatis, a Brazilian-born social media professional, alleges in a lawsuit she was subjected to sexual harassment by the company’s management and demoted after she complained about her treatment. She said she was urged to join a conference call while in labor and expected to work during her maternity leave in violation of the Family and Medical Leave Act, according to the federal complaint filed Wednesday in the U.S. District Court for the Eastern District of North Carolina.
“This clout-chasing complaint is built on deliberate misrepresentations and categorically false statements, and we have the receipts to prove it. There is extensive evidence — including Slack and WhatsApp messages, company documents, and witness testimony — that unequivocally refutes her claims. We will not submit to opportunistic lawyers looking to manufacture a payday from us,” Gaude Paez, a Beast Industries spokesperson, said in a statement.
Jimmy Donaldson, 27, began MrBeast as a teen gaming channel that soon exploded into a media company worth an estimated $5 billion, with 500 employees and 450 million subscribers who watch its games, stunts and giveaways.
Mavromatis, who was hired in 2022 as its head of Instagram, described a pervasive climate of discrimination and harassment, according to the lawsuit.
In her complaint, she alleges the company’s former CEO James Warren made her meet him at his home for one-on-one meetings while he commented on her looks and dismissed her complaints about a male client’s unwanted advances, telling her “she should be honored that the client was hitting on her.”
When Mavromatis asked Warren why MrBeast, Donaldson, would not work with her, she was told that “she is a beautiful woman and her appearance had a certain sexual effect on Jimmy,” and, “Let’s just say that when you’re around and he goes to the restroom, he’s not actually using the restroom.”
Paez refuted the claim.
“That’s ridiculous. This is an allegation fabricated for the sole purpose of sparking headlines,” Paez said.
Mavromatis said she endured a slate of other indignities such as being told by Donaldson that she “would only participate in her video shoot if she brought him a beer.”
“In this male-centric workplace, Plaintiff, one of the few women in a high-level role, was excluded from otherwise all-male meetings, demeaned in front of colleagues, harassed, and suffered from males be given preferential treatment in employment decisions,” states the complaint.
When Mavromatis raised a question during a staff meeting with her team, she said a male colleague told her to “shut up” or “stop talking.”
At MrBeast headquarters in Greenville, N.C., she said male executives mocked female contestants participating in BeastGames, “who complained they did not have access to feminine hygiene products and clean underwear while participating in the show.”
In November 2023, Mavromatis formally complained about “the sexually inappropriate encounters and harassment, and demeaning and hostile work environment she and other female employees had been living and experiencing working at MrBeast,” to the company’s then head of human resources, Sue Parisher, who is also Donaldson’s mother, according to the suit.
In her complaint, Mavromatis said Beast Industries did not have a method or process for employees to report such issues either anonymously or to a third party, rather employees were expected to follow the company’s handbook, “How to Succeed In MrBeast Production.”
In it, employees were instructed that, “It’s okay for the boys to be childish,” “if talent wants to draw a dick on the white board in the video or do something stupid, let them” and “No does not mean no,” according to the complaint.
Mavromatis alleges that she was demoted and then fired.
Paez said that Mavromatis’s role was eliminated as part of a reorganization of an underperforming group within Beast Industries and that she was made aware of this.
Business
Heidi O’Neill, Formerly of Nike, Will Be New Lululemon’s New CEO
Lululemon, the yoga pants and athletic clothing company, has hired a former executive from a rival, Nike, as its new chief executive.
Heidi O’Neill, who spent more than 25 years at Nike, will take the reins and join Lululemon’s board of directors on Sept. 8, the company announced on Wednesday.
The leadership change is happening during a tumultuous time for Lululemon, which had grown to $11 billion in revenue by persuading shoppers to ditch their jeans and slacks for stretchy leggings. But lately, sales have declined in North America amid intense competition and shifting fashion trends, with consumers favoring looser styles rather than the form-fitting silhouettes for which Lululemon is best known.
“As I step into the C.E.O. role in September, my job will be to build on that foundation — to accelerate product breakthroughs, deepen the brand’s cultural relevance, and unlock growth in markets around the world,” Ms. O’Neill, 61, said in a statement.
Lululemon, based in Vancouver, British Columbia, has also been entangled in a corporate power struggle over the company’s future. Its billionaire founder, Chip Wilson, has feuded with the board, nominated independent directors and criticized executives.
Lululemon’s previous chief executive, Calvin McDonald, stepped down at the end of January as pressure mounted from Mr. Wilson and some investors. One activist investor, Elliott Investment Management, had pushed its own chief executive candidate, who was not selected.
The interim co-chiefs, Meghan Frank and André Maestrini, will lead the company until Ms. O’Neill’s arrival, when they are expected to return to other senior roles. The pair had outlined a plan to revive sales at Lululemon, promising to invest in stores, save more money and speed up product development.
“We start the year with a real plan, with real strategies,” Mr. Maestrini said in an interview this year. “We make sure decisions are made fast.”
Lululemon said last month that it would add Chip Bergh, the former chief executive of Levi Strauss, to its board to replace David Mussafer, the chairman of the private equity firm Advent International, whom Mr. Wilson had sought to remove.
Ms. O’Neill climbed the organizational chart at Nike for decades, working across divisions including consumer sports, product innovation and brand marketing, and was most recently its president of consumer, product and brand. She left Nike last year amid a shake-up of senior management that led to the elimination of her role.
Analysts said Ms. O’Neill would be expected to find ways to energize Lululemon’s business and reset the company’s culture in order to improve performance.
“O’Neill is her own person who will come with an agenda of change,” said Neil Saunders, the managing director of GlobalData, a data analytics and consulting company. “The task ahead is a significant one, but it can be undertaken from a position of relative stability.”
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