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MIT researchers have shown that one fuel can power both chemical and electric spacecraft thrusters, potentially transforming what small satellites can do. The approach combines quick bursts of speed with highly efficient long-range propulsion in a single compact system. A NASA-supported CubeSat mission will soon test the technology in orbit.
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An East Bay apartment complex has been bought at a price that's well below its prior value. Read more ›
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A PG&E Corp. unit has bought a San Jose building in a move to bolster the utility's South Bay operations. Read more ›
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The HP Envy 6555e is half price at Best Buy right now — here's who should (and shouldn't) buy it. Read more ›
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double быстрый, но хранит десятичные числа как двоичные приближения: 0.1 + 0.2 дает 0.30000000000000004. BigDecimal точен в десятичной арифметике, но дороже по памяти и CPU.Выбор зависит от задачи: для метрик и ML хватит double с допуском, для налогов и счетов нужен BigDecimal с явным RoundingMode, для низкой latency - fixed-point на long.Ошибка не в double или BigDecimal, а в выборе без понимания точности, округления и нагрузки. Подробнее - в новом... Read more ›
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More than half of the world's data center capacity is at risk of rising temperatures, heatwaves, drought and water stress. Read more ›
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Workers at Grand Theft Auto VI developer Rockstar Games have submitted a request for their union, the IWGB Game Workers Union, to be voluntarily recognized, according to a press release. The request follows Rockstar firing more than 30 staffers last year in a move accused of being "union busting." According to the release, IWGB members […] Read more ›
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Доброго дня, Хабр!Меня зовут Илья, я развиваю внутрикорпоративные IT-сообщества в ОТП Банке с любовью и резоном. А если точнее, то строю целую лаймовую экосистему, где 10 сообществ развиваются своим путем и взаимодействуют друг с другом. Сегодня поделюсь с вами подходом, который я использую для оценки дизайна во внутрикорпоративном сообществе. Поняв, что мешает людям жить, можно облегчить существование и себе, и коллегам, и компании. Узнать больше Read more ›
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The C-141 Starlifter was known as the "workhorse" of the US Air Force for over 40 years. Take a look inside one on display. Read more ›
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An anonymous reader quotes a report from 404 Media: On June 26, the County Manager of Henrico County, Virginia, John Vithoulkas, sent an email to thousands of county employees asking them to help the local government conserve electricity. "Beginning July 1st, the rate we pay for electricity used in all Henrico County government and school facilities will increase dramatically -- by 25%, increasing costs by an estimated $5 million next... Read more ›
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A lawsuit filed against RAM suppliers says they colluded to fix memory prices in favor of HBM for AI data centers. Read more ›
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The GIF-picking interfaces in some of your favorite online platforms might look different going forward, as Google prepares to shut down the Tenor API today. While the Tenor website, along with its searchable GIF library, will remain live, platforms like X, Discord, Bluesky, and WhatsApp that previously integrated the API are now having to migrate […] Read more ›
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There is no question in US law that is clearly or more firmly settled than the question of whether people born in the United States are citizens of this country. The Fourteenth Amendment states that “all persons born or naturalized in the United States, and subject to the jurisdiction thereof, are citizens of the United […] Read more ›
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Microsoft is set to announce a wave of layoffs for its Xbox studios and employees next week. Sources familiar with Microsoft's plans tell The Verge that the layoffs will lead to studio closures or spinoffs, potential mergers of studios, and canceled games. I understand Microsoft is currently weighing closing at least five studios, including the […] Read more ›
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A Ryzen 5 7640HS, dual 2.5G Ethernet, USB4, and triple 4K display support in a chassis you can tuck behind a monitor. Read more ›
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Obsession star Michael Johnston discusses the horror hit's record-breaking success, fan reactions to Bear, sequel possibilities, and awards buzz. Read more ›
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Obsession star Michael Johnston discusses the horror hit's record-breaking success, fan reactions to Bear, sequel possibilities, and awards buzz. Read more ›
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При разработке печатных плат часто возникает задача закрепить плату в корпусе так, чтобы головки винтов не выступали над поверхностью. Для этого применяется зенковка — коническое углубление вокруг монтажного отверстия. На первый взгляд, операция несложная, но на практике есть нюансы, которые стоит учитывать на этапе проектирования.В этой статье мы разберём, что такое зенковка, чем она отличается от цековки, какие параметры важны при проектировании и на что обратить внимание, чтобы избежать проблем... Read more ›
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Wimbledon 2026 is underway, and its audience is filled with celebrities wearing coveted watches. Serena Williams and David Beckham are among them. Read more ›
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Scientists found that one tiny genetic change can completely alter how a coronavirus behaves in different species. Comparing SARS-CoV-2 with a closely related bat-only virus, they showed that a single amino-acid difference affects whether the immune system fights back or gets suppressed. This may help explain how some animal viruses make the leap to humans and become far more dangerous. Read more ›
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A study of nearly 300 people across northern Britain found that vitamin D levels often stay low all year in groups most at risk. Surprisingly, summer sunshine did not significantly boost vitamin D levels among older adults or people from minoritized ethnic backgrounds. Read more ›
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A groundbreaking superconducting X-ray spectrometer has begun operation at BESSY II, giving Europe its first TES-based system and boosting photon detection efficiency by up to 1,000 times. The advance enables scientists to explore atomically thin materials, nanostructures, and ultra-dilute samples with remarkable speed and sensitivity. Read more ›
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A new study suggests early humans were using fire in South Africa’s Wonderwerk Cave as far back as 1.79 million years ago. Researchers found burned bones deep inside the cave, where natural wildfires could not have reached, indicating that fire was likely carried in and maintained by human ancestors. The discovery pushes back the timeline for fire use and reveals surprisingly sophisticated behavior long before humans could create fire on... Read more ›
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A hidden population of South African leopards has revealed a remarkable evolutionary story. Researchers analyzing entire leopard genomes discovered that the Cape Floristic Region’s leopards are not only much smaller than most African leopards, but also genetically distinct after being isolated for roughly 20,000 years. Surprisingly, despite their small population, they have retained much of their genetic diversity. Read more ›
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Scientists have uncovered a surprising new twist in what happens when cells die. As dying cells break apart, they leave behind tiny “footprints of death” packed with newly discovered particles that help guide the immune system to clean up the remains. But researchers found that influenza viruses can exploit this process, hiding inside these microscopic packages and potentially using them to spread to nearby cells. Read more ›
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Scientists have discovered a tiny group of neurons in an ancient brain region that acts like a built-in focus filter, helping the brain ignore distractions and zero in on what matters most. When researchers temporarily switched off these neurons in mice, the animals became unusually distractible—similar to what is seen in ADHD—but regained normal focus as soon as the neurons were reactivated. Read more ›
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What if consciousness isn’t limited to brains like ours? Philosophers Eric Schwitzgebel and Jeremy Pober argue that consciousness could arise in many different forms of life, even in beings built from radically different materials than those found on Earth. Drawing on the vastness of the universe and the likely existence of countless alien civilizations, they suggest it would be surprisingly Earth-centric to assume that only Earth-like biology can support conscious... Read more ›
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A Pacific-wide tsunami triggered by a magnitude 8.8 Kamchatka earthquake gave scientists their first detailed satellite view of a major tsunami in motion. The observations revealed unexpected wave behavior and helped uncover a larger earthquake rupture than earlier models predicted. Read more ›
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Osteopenia is a common but often overlooked condition that causes bones to become less dense and more fragile. Because it develops silently, many people only discover they have it after a fracture or bone scan. Aging, menopause, poor diet, and inactivity can all contribute to bone loss. Fortunately, exercise, adequate calcium and vitamin D, and other healthy habits can slow or even partially reverse the decline. Read more ›
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30.06.2026 13:24
Last update: 13:15 EDT.
News rating updated: 20:13.
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