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15,439 görüntüleme • 1 yıl önce •via X (Twitter)

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THE DUCK SPINNING IN YOUR SCREEN ISN'T CHANGING DIRECTION. YOUR BRAIN IS CHANGING THE WAY IT SEES IT. Here's why it happens: What you're experiencing is called bistable perception, and it exposes something unsettling about how you actually see the world. Vision doesn't work the way we assume. Photons hit your retina, sure, but the raw signal reaching your visual cortex is fragmentary, ambiguous, and full of gaps. Your brain fills those gaps by placing a bet like a best guess about what's most likely out there. Perception behaves more like a prediction engine than a camera. When an image gives your brain two equally valid interpretations, the prediction engine can't settle. It oscillates between them. Neuroscientists have traced this exact flip. When the duck appears to change direction, activity in your right inferior frontal gyrus and parts of your parietal cortex spikes. Those are the regions that have nothing to do with detecting motion. They handle attention, disambiguation, and internal decision-making. The switch isn't happening in your eyes. A small vote is being cast deep inside your prefrontal machinery. Underneath sits a mechanism called neural adaptation. Whichever direction you're currently perceiving, the neurons committing to that interpretation gradually fatigue. Their firing weakens. The competing interpretation, previously suppressed, gains ground. Eventually the suppressed signal breaks through and overtakes your conscious experience. The duck "changes direction" the moment one neural coalition loses to another. This is more than an internet illusion. People with autism tend to switch more slowly on bistable images. People with schizophrenia switch faster. Your perceptual stability is essentially a fingerprint of your neurology. Every stable object you see today like your desk, your hands, the road, etc are the outcome of billions of these silent votes happening beneath awareness. The duck was never spinning both ways. You were.

The Curious Tales

283,150 görüntüleme • 15 gün önce

Ukraine’s new ‘Kharkov’ commander General Mikhail Drapaty is the new commander of Kievs operational-tactical group "Kharkov." Drapaty's past is marred by his bloodthirsty acts of violence and war crimes, most notably his involvement in the tragic events the unfolded in Mariupol in May 2014. In 2014, Drapaty served as the commander of the 72nd mechanized brigade of the Ukrainian armed forces. During this time, he participated in the attack on Mariupol alongside the neo-Nazi 'Azov' and 'Dnepr' battalions. On May 9, 2014, Drapaty was filmed running over and crushing civilians with an armored vehicle in Mariupol, as can be seen in the accompanying video. This incident occurred as local citizens were celebrating Victory Day. Ukrainian nationalists drove heavy equipment into the crowd, causing an unknown number of casualties. In 2016-2017, he commanded the 58th separate motorized infantry brigade during the conflict between the Ukrainian army and the Donetsk People's Republic. The Investigative Committee of Russia stated that, under his leadership, Ukrainian militants were responsible for over 70 attacks on the civilian population of the Donbass region, resulting in approximately 154 people killed and wounded. Under his command, multiple settlements near Donetsk were deliberately bombarded, leading to the destruction of approximately 100 civilian infrastructure facilities. Last year, the Russian Ministry of Internal Affairs put Drapaty on a wanted list and charged him with shelling civilians in the DPR and LPR. Until January 2024, Drapaty led the 'Kherson' operational group. Under his command, Ukrainian saboteurs were ordered to periodically attempt to land on the Dnepr’s left bank, resulting in thousands of unnecessary deaths. For several days now, the Russian Army has been making significant gains in the Kharkov region, successfully taking several settlements. Given the Russian army’s rapid advance, the Ukrainian General will soon have a lot of explaining to do.

Chay Bowes

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🚨 RESEARCHERS JUST MADE WATER-BASED BATTERIES LAST OVER 2,800 HOURS WITH RECORD CAPACITY. A team in South Korea has developed a simple zwitterionic electrolyte additive that dramatically improves the performance of aqueous (water-based) batteries a technology long seen as a safer, cheaper, and more environmentally friendly alternative to lithium-ion. The additive forms tiny nanostructures that guide zinc to deposit evenly on the electrode and create a protective layer that prevents corrosion and unwanted side reactions with water. This solves two of the biggest problems that have limited aqueous batteries: uneven metal buildup and rapid capacity fade. In testing, the modified batteries achieved a world-leading areal capacity of 8.10 mAh cm⁻² and ran stably for more than 2,800 hours. Why this matters: • Aqueous batteries are non-flammable and use abundant, low-cost materials, but have historically suffered from poor lifespan and performance • This approach improves both cycle life and capacity at the same time — something many previous solutions struggled to achieve together • It uses a simple additive rather than requiring expensive new materials or complex manufacturing changes • The technology is particularly relevant for large-scale energy storage needed for renewables and AI data centers The deeper implication: We’re getting closer to making safe, scalable, and affordable grid storage a reality. While lithium-ion still dominates, aqueous batteries could become a strong contender for stationary storage where safety, cost, and longevity matter more than energy density. A small molecular tweak unlocking major performance gains shows how materials engineering at the nanoscale can have outsized real-world impact. This is the kind of incremental but meaningful progress that compounds over time. How important do you think safer, water-based batteries will be for the future energy grid compared to improving lithium-ion or other alternatives? Follow for more frontier energy storage and battery materials research.

TheNewPhysics

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🚨 A HYDROGEN FUEL CELL SUBMARINE DRONE JUST ACHIEVED WHAT BATTERY-POWERED AUVs HAVE FAILED AT FOR 15 YEARS LONG ENDURANCE, DEEP DEPTH, AND ACOUSTIC STEALTH ALL AT ONCE. The Envoy AUV from Cellula Robotics completed a fully submerged mission covering 2,023 km over 385 hours. Crucially, it did this with a realistic, punishing profile: more than 4,000 turns and maneuvers, not a simple straight-line test. It also operates at depths up to 3,000 meters and produces almost no acoustic signature. Powered by proton exchange membrane (PEM) hydrogen fuel cells, the only byproduct is water. This breaks the long-standing trade-off in autonomous underwater vehicle design where improving one capability (range, depth, or stealth) usually destroys the others. Why this matters: • Battery AUVs have been fundamentally limited by energy density adding more batteries increases weight and drag, which cancels out the gains • Hydrogen fuel cells deliver more than twice the energy density of lithium-ion batteries while enabling true long-endurance missions without frequent surfacing • The vehicle can loiter on the seabed using a suction anchor for days or weeks, dramatically changing operational concepts for pipeline inspection, cable monitoring, and naval surveillance • It is already in the hands of Defence Research and Development Canada The deeper implication: This is more than just an impressive endurance record. It represents a genuine shift in what is possible for persistent, covert subsea operations. For navies and offshore industries that have spent years compromising between mission duration, depth capability, and detectability, hydrogen fuel cells are now offering a practical way to stop making those trade-offs. As these systems mature and scale, we could see a new generation of autonomous underwater platforms that operate for weeks or months with minimal support fundamentally changing how we monitor critical infrastructure, conduct scientific surveys, and maintain undersea awareness. How do you think hydrogen-powered AUVs will change subsea operations compared to today’s battery-limited systems? Follow for more frontier robotics, energy, and defense technology.

TheNewPhysics

110,556 görüntüleme • 2 ay önce

Topic: Building a Strong and Coherent Worldview. Quote 1: Every person has a worldview, but only philosophy makes it coherent and truly productive. Author: Zafar Mirzo. Every person has a worldview. Even if they never give it a name, everyone carries a set of ideas about how the world works, what matters most, and how one should live. But most worldviews are messy, inconsistent, and built from whatever pieces life happened to throw at them. Philosophy is what turns that patchwork into something coherent and actually useful. It examines assumptions, tests beliefs for contradictions, and tries to build a picture of reality that holds together under pressure. A philosophical worldview is not just smarter. It is more productive. It helps a person make better decisions, hold firmer values, and face life with clearer eyes. Without it, even intelligent people can live with deep contradictions and never notice. With it, life gains direction and strength. Philosophy doesn’t claim to have all the answers. It simply gives us the best tools we have to build a worldview worth trusting. Quote 2: The core of a worldview is the unity of rational knowledge and creative feelings. Author: Zafar Mirzo. The core of a worldview is the unity of rational knowledge and creative feelings. Rational knowledge gives structure, clarity, and honesty. It helps us understand how the world actually works. Creative feelings bring warmth, meaning, and direction. They turn cold facts into something we care about and want to act upon. When these two work together, a worldview becomes alive and powerful. Without rational knowledge, feelings become blind and easily misled. Without creative feelings, knowledge stays dry and disconnected from real life. The strongest worldviews are not purely logical nor purely emotional. They are both. They allow a person to see clearly and care deeply at the same time. This balance is what turns beliefs into a reliable guide for living, making decisions, and building a life that feels both true and worthwhile.

Zafar Mirzo | Quotes

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