EngineerKnow
@engineer_know
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A engineer who loves to share math , science , engineering ,3D animation , coding and interesting stuff
Joined September 2023
This guy built 9 different types of bridges made out of LEGO to demonstrate the complexity of each one. They get better and more advanced each each time. LEGOs can be impressive for those knowing how to use them.
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🚀🧠 AI drives rover on Mars for the first time! NASA’s Perseverance Mars rover has completed its first drives planned entirely by artificial intelligence, navigating the Martian terrain without human route planners — a major leap in autonomous space exploration. The AI analyzed
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📈 DRAM prices nearly double in 2025! According to industry tracker TrendForce, average DRAM selling prices surged ~90–95% in 2025 thanks to tightening supply, strong demand for AI and server memory, and inventory restocking — marking the biggest annual jump in years. This
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Precision engineering from the 1960s comes alive in the HAFF dotting line tool in action
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🚨 Google dismantles massive proxy network that secretly turned millions of devices into data relays without users’ knowledge. A China-linked firm called IPIDEA had created one of the world’s largest “residential proxy” networks by embedding SDKs inside apps, hijacking Android
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🌵 China plants military-grade rubber in the Gobi Desert! 🌱 In a remarkable twist on desert agriculture, scientists in China have successfully grown high-quality rubber-producing trees — known as Duzhong — in the harsh conditions of the Gobi Desert. What began as an experimental
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🚀 ISRO's lunar leap: Chandrayaan-4 returns 3kg moon samples by 2028 from Shiv Shakti Point! Scoop & drill tech joins US/Russia/China elite. ₹2,104 Cr budget.Bharatiya Antariksh Station by 2035—student microgravity labs for med/material breakthroughs.Private boom: Build rockets,
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🚀 New nanosheet sensor detects ethanol at ultra-low levels! 🧪🖨️ Scientists have developed an advanced gas sensor using ultrathin nanosheets on a tin-oxide platform that can pick up ethanol vapor at parts-per-billion concentrations with minimal power — opening the door to
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🧬🇦🇺 Australian scientists use AI to make CRISPR safer! Researchers have developed a precise, fast, AI-designed way to control CRISPR gene editing, creating inhibitors that can keep the powerful technology in check — reducing off-target risks and making gene editing safer for
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🌊 The Most Kissed Face in History: L'Inconnue de la Seine (The Unknown Woman of the Seine) 🕯️ Found in the River Seine around 1880; her identity and exact age remain a total mystery. 🎭 A morgue pathologist created a death mask to preserve her unusually calm and smiling
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Since the 1980s, banks and convenience stores in Japan have kept baseball-sized orange anti-crime color balls behind the counter as a last-resort security measure. These balls are filled with highly visible pigment and are meant to be thrown during a robbery, usually at a fleeing
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✨ New 3D printing breakthrough! Researchers have developed a method called CRAFT that uses affordable printers to create objects with varying material properties from a single feedstock — producing complex shapes like realistic human hand models with different textures and
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🇮🇳🚀 Ericsson makes India its largest global hub Ericsson is scaling up big time in India — its largest workforce, major R&D expansion, and Made-in-India manufacturing for 5G and future 6G tech. From innovation to production, India is now at the center of Ericsson’s global
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🚀 NASA finds ammonia on Europa! 🧊🪐 Scientists have detected ammonia-bearing compounds on Jupiter’s icy moon Europa using advanced analysis of old mission data. Ammonia acts like an antifreeze — meaning it could help keep Europa’s hidden ocean liquid and boost its habitability
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Imagine the Engineering behind it
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CATL, the world's largest battery maker, launches sodium batteries: extremely durable, stable at –40°C, much cheaper than lithium (5x), safer,10,000 charge cycles, requires no nickel or cobalt...
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This integral looks scary at first 😵💫 Integral from 0 to (π/4)^(1/18) of x^89 · cos(2x^18) dx The key idea 💡 Use substitution: u = x^18 That instantly simplifies the power and turns the problem into a polynomial × trig integral, solved neatly using integration by parts. After
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This is Sony's prototype microsurgery assistance robot capable of extreme precision, allowing easy operations on tiny tissues like nerves and blood vessels using pen-like controllers, featuring rapid 10-second tool changes and high-magnification imaging.
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Hair growth happens in cycles: growth, rest, and shedding. When hair thins, follicles usually aren’t gone — they’re stuck in the resting phase. Minoxidil helps reactivate these follicles by increasing blood flow to the scalp, delivering more oxygen and nutrients to support hair
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