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Researchers have found a way to make ordinary aluminum tubes float indefinitely, even when submerged for long periods or punched full of holes. By engineering the metal’s surface to repel water, the tubes trap air inside and refuse to sink, even in rough conditions. The technology could eventually be scaled up into floating platforms, ships, or even wave-powered energy systems.
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ScienceDaily
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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Система управления электролитическим травлением металла. Но может использоваться и для управления электролитическим нанесением металла.Это устройство спроектировано и собрано нами самостоятельно. Представляет из себя измеритель прошедшего через электролитический промежуток заряда + схема прерывания электрического тока внешнего источника питания, когда прошедший заряд равен установленной величине.Измеритель заряда представляет собой систему из преобразователя ток-частота на таймере 555 и счётчика импульсов н Read more ›
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I meditated with a Japanese Zen monk who leads workshops at Fortune 500 companies. I learned meditation was a lot simpler than I thought. Read more ›
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Несколько дней назад вышла ArcaOS 5.1.2. Это свежее обновление системы, которая продолжает жить на кодовой базе OS/2 Warp. Релиз важный: разработчики довели до ума установку на актуальные машины с UEFI и дисками, размеченными по GPT. Теперь можно спокойно ставить систему на ноутбуки и десктопы последних лет без необходимости ковыряться в настройках совместимости прошивки или переразмечать накопители под старый MBR. При этом поддержка классических BIOS-систем никуда не делась — загрузка и... Read more ›
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This heartbreaking pattern reveals how an entire generation learned to equate needing help with personal failure, mistaking their slow withdrawal from family life as a gift when it's actually a learned performance of disappearance that robs everyone of connection when it matters most. Read more ›
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Hello and welcome back to our regular feature where we write a little about the games we've been playing. This week, everyone's playing Pokémon Pokopia apart from Bertie and Connor, who are arguably the staff members with the best taste - an observation I make completely unbiasedly. Connor does appear to have become quite evil, though, so I think it's best I distance myself from him as well. Read more Read more ›
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Люди вырезают знаки на камне тысячелетиями — достаточно вспомнить египетские стелы или античные надписи. Но в истории рунического письма недавно была сделана находка, которая может серьезно изменить привычную хронологию.Во время раскопок в норвежской коммуне Холе ученые обнаружили фрагменты камня с рунами. На первый взгляд — очередной древний артефакт, один из тысяч подобных в Скандинавии. Однако радиоуглеродный анализ материалов из соседних захоронений показал неожиданное: камень оказался значительно старш Read more ›
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Снаружи Лёха это 3-4 метровая арка с вертикальной камерой. Она сканирует лист дерева - шпон. Также есть лампа чтобы не было затенений. Свет ложится полоской линией. Так, чтобы Алексею было удобнее работать.Мишаня же выглядит как молодой мужчина. Крупный брюнет, в спецовке, весельчак-приколист. Михаил поставил камеру над другим станком. Обычная камера, не самого высокого разрешения. Сделал на c#, с использованием openCv, программу, сканирующую шпон. И связал с контроллером. Осталась корректировка программы... Read more ›
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The loneliness of midlife isn't about lacking company. It's about realizing you spent two decades building a life so efficiently optimized that you edited yourself out of it, and now the person everyone relies on is a performance with no one inside. Read more ›
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Год назад меня уволили за 10 минут без выплат. Потом я 9 месяцев искала работу как миддл-фронтендер. Вот что я поняла про то, как вообще попасть на собеседование в 2026. Читать далее Read more ›
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When I asked fifteen therapists what their clients in their forties most commonly grieve, not one mentioned a relationship or career. Every single one described the same loss: the person they thought they'd become by now. Read more ›
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Longtime Slashdot reader tsuliga writes: Two new episodes of Doctor Who that were previously lost have been found. The original Doctor Who episodes were wiped or deleted by the BBC because they were not aware of the future use of re-runs of these shows. Ninety-five of the 253 episodes from the program's first six years are currently missing. How many more episodes are out there waiting to be rediscovered? "The... Read more ›
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Полупроводниковые приборы довольно быстро внедрились во все области науки и техники, путь, а начатые в 1940-е годы исследования влияния газов на электрофизические характеристики полупроводников поставили на повестку дня и обратную задачу – определения газов по изменению этих характеристик полупроводника, и это заняло гораздо больше времени. Первопроходцем здесь считается японский изобретатель Наёси Тагучи. Основанная им компания Figaro Engineering Inc. с 1969 года начала производство и продажу газовых детек Read more ›
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Сегодня в продаже представлено огромное количество светодиодных люстр — на любой вкус, цвет и кошелёк. Управление такими светильниками обычно осуществляется с помощью инфракрасного пульта.В этой статье я расскажу о своей реализации управления такой люстрой при помощи самодельного ИК-передатчика на базе «народного» микроконтроллера ESP32, подключённого к Home Assistant. Читать далее Read more ›
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Привет! Это команда Яндекс Практикума, сегодня мы вместе с вами рассмотрим, что из себя представляет DevOps в 2026 году и расскажем про онлайн-магистратуру ИТМО в партнёрстве с Яндекс Практикумом «DevOps‑инженер облачных сервисов»: кому подойдёт программа, как поступить в 2026 году, какие навыки вы будете изучать, какие у вас будут перспективы в этой области и при чём тут искусственный интеллект. Читать далее Read more ›
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Привет! На связи Олег Чебулаев, CEO Mad Brains. Хочу поделиться историей из практики — как обучить модель YOLO, запустить видеомониторинг на пищевом производстве и через неделю обнаружить кое-что, о чём на заводе предпочитали не говорить вслух. Читать далее Read more ›
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ScienceDaily
A mysterious form of plague that spread across Eurasia thousands of years before the Black Death has finally revealed a crucial clue. Scientists analyzing ancient DNA discovered the bacterium Yersinia pestis in a 4,000-year-old domesticated sheep from a Bronze Age settlement in the Ural Mountains—the first time the pathogen has ever been found in a non-human host from that era. Because this early strain couldn’t spread through fleas like the... Read more ›
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A newly identified protein may hold the key to preventing diabetic blindness. Researchers discovered that LRG1 triggers the earliest damage in diabetic retinopathy by constricting tiny retinal blood vessels and reducing oxygen supply. In mice, shutting down this protein stopped the damage before it could take hold. The finding could pave the way for treatments that protect vision before symptoms ever begin. Read more ›
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Researchers in Sweden have engineered a cell-free cartilage scaffold that can guide the body to rebuild damaged bone. By removing the cells but preserving the structure and natural growth signals, the material acts as a blueprint for the body’s own repair process. In animal studies, it helped regenerate bone without triggering strong immune reactions. The team now plans to scale up production and begin testing the approach in humans. Read more ›
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Mayo Clinic researchers have identified a rare mutation in the MET gene that can directly cause metabolic dysfunction-associated steatotic liver disease. The mutation disrupts the liver’s ability to process fat, leading to inflammation, scarring, and potentially cirrhosis. The discovery began with a father and daughter who had the disease without typical risk factors. Large-scale genomic data suggests similar rare variants may quietly contribute to the disease in many more people. Read more ›
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Scientists studying 1,300 golden retrievers have uncovered genetic clues explaining why some dogs are more anxious, energetic, or aggressive than others. Remarkably, several of the same genes linked to canine behavior are also tied to human traits like anxiety, depression, and intelligence. The discovery suggests dogs and humans share biological roots for emotions and behavior. Understanding these links could help owners better interpret their pets’ reactions and even improve training... Read more ›
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Solid-state batteries could be safer and more energy-dense than today’s lithium-ion technology, but finding materials that allow ions to move quickly through solid electrolytes has been difficult. Researchers developed a machine learning pipeline that predicts Raman spectra and identifies a distinctive low-frequency signal linked to liquid-like ion motion inside crystals. This signal appears when rapid ion movement temporarily disrupts a crystal’s symmetry. The approach could dramatically speed up the disco Read more ›
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New research suggests seabird guano helped transform the Chincha Kingdom into one of the most prosperous societies in ancient Peru. Chemical clues in centuries-old maize show farmers fertilized their crops with guano gathered from nearby islands, dramatically boosting yields in the desert landscape. The resulting agricultural surplus fueled trade, population growth, and regional influence. Read more ›
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Researchers have uncovered a surprising molecular chain reaction in the brain that may play a role in some forms of autism. The study suggests that nitric oxide, a tiny signaling molecule normally involved in fine-tuning communication between brain cells, can sometimes trigger a cascade of changes inside neurons. When nitric oxide activity rises, it can alter a protective protein called TSC2, weakening an important cellular brake and allowing the mTOR... Read more ›
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A sweeping new study from Northwestern University reveals that scientific fraud is no longer just the work of a few rogue researchers—it has evolved into a global, organized enterprise. By analyzing massive datasets of publications, retractions, and editorial records, researchers uncovered networks involving “paper mills,” brokers, and compromised journals that systematically produce and sell fake research, authorship slots, and citations. Read more ›
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Scrolling on your phone while sitting on the toilet might be doing more harm than you think. A new study found that people who use smartphones during bathroom visits had a 46% higher risk of hemorrhoids compared to those who don’t. Researchers discovered that phone users tend to spend significantly longer on the toilet, often getting distracted by news or social media, which may increase pressure on anal tissues. Read more ›
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14.03.2026 04:39
Last update: 04:30 EDT.
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