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Researchers Hao Zhang and Mathieu Dumberry report in Nature that gravitational coupling between Earth's solid inner core and its mantle explains multidecadal changes in day length of a few milliseconds. They combined seismological data on inner-core rotation with a model of outer-core flow derived from magnetic field measurements to reach this conclusion.
Tera-Print, a small US company that has sold Tera-Fab branded beam pen lithography tools for about a decade, sent a cease-and-desist letter to Tesla, SpaceX and SpaceXAI in May over use of the Terafab name. Tera-Print, whose clients reportedly include the Department of Defense, has now filed a trademark lawsuit, while Tesla and SpaceX argue their planned high-volume chip manufacturing venture is unrelated to Tera-Print's tabletop bioengineering and prototyping tools.
Astronomers led by Pablo Santos-Sanz used the James Webb Space Telescope to re-observe a stellar occultation by Chariklo, a small icy body about 250 kilometers wide orbiting between Saturn and Uranus. Compared to the rings first detected in 2013, one of Chariklo's two narrow rings has become denser while the other has nearly disappeared, and the cause remains unclear.
A newly released white paper examines how single-phase direct liquid cooling addresses escalating thermal loads in AI and high-performance computing systems, where individual chips now exceed 1,000 watts and racks can dissipate over 100 kilowatts. It compares this approach against two-phase and immersion cooling methods, and outlines how liquid cooling works at both chip and system levels.
Bloomberg's Mark Gurman predicts that foldable phones, currently just 2% of the global smartphone market, will become the majority of new phone sales within ten years. He suggests Apple could eventually extend the format across its lineup, from a larger iPhone Duo Max down to a foldable iPhone SE as manufacturing costs decrease.
Tesla announced via its official X account that the next Roadster will finally be unveiled on October 10, nearly a decade after the original 2017 prototype debut. The company's website now shows a countdown teasing possible SpaceX-derived thruster hardware, following earlier reports that the car could include flight-like capabilities.
The landmark British documentary series that began in 1964 by following 14 seven-year-olds from different social backgrounds is ending with a final installment, 70 Up, airing on ITV. Participant Jackie Bassett, chosen partly for her chatty personality, has appeared in every update since childhood, and the series has tracked the group's lives every seven years for six decades. It became the longest-running documentary series in history and was named the most influential TV show of the past 50 years in 2024.
Apple has introduced the iPhone Duo, a foldable device featuring a 5.4-inch external OLED display and a 7.6-inch flexible internal OLED panel. Built with a titanium frame and IP68 water and dust resistance, the device is heavier and thicker than Samsung's Galaxy Z Fold 8, but includes design refinements such as a near-seamless screen transition, a reduced-visibility crease, and an under-display FaceTime camera.
Hotel developer Ian McClure has become the first outside operator in more than ten years to sign a fresh development agreement with Planet Fitness, rather than buying into the chain by acquiring an existing franchisee's gyms. McClure's firm, Gulf Coast Hotel Management, which runs extended-stay hotels and Wyndham properties across several states, secured three area deals to open over a dozen locations on Florida's Gulf Coast. Each gym costs between $1.3 million and $5.4 million to launch depending on financing.
A new study finds that the wealthiest tier of billionaires—so-called 'super billionaires'—has seen its portion of global wealth grow roughly fourfold over the past ten years. The report also profiles the typical billionaire as a 71-year-old man whose fortune continues expanding even as overall billionaire numbers rise worldwide.
A new Burning Glass Institute analysis, reported by the Wall Street Journal, shows workers aged 22-34 without college degrees are experiencing some of their lowest unemployment rates in decades, while their degree-holding peers face one of their worst job markets in years. Chief economist Gad Levanon says this shift appears structural rather than temporary.
At VivaTech's 10th anniversary event in Paris, industry observers reviewed a decade of beauty technology evolution, from early virtual try-on tools to today's emerging AI agents. The retrospective highlighted how innovation cycles in beauty tech have accelerated and diversified over the past ten years.