Loading video...

Video Failed to Load

Go Home

84,828 views • 1 month ago •via X (Twitter)

0 Comments

No comments available

Comments from the original post will appear here

Related Videos

i'm not fine after reading this a guy with a laptop got his own silicon chip manufactured with software Google gave away. the commercial version of that software rents for up to $1,000,000 a year. he never signed a vendor contract and never paid for a seat. he wrote the logic, pushed it to GitHub, and nine months later a wafer came out of a fab. getting silicon with your name in it used to take a company. now it takes nine months. his slot was 160 by 100 microns: about 1,000 logic gates, 8 inputs, 8 outputs, clocked past 50 MHz. more than 600 designs have already come back this way. this is the open silicon stack. Google and SkyWater published a complete 130nm manufacturing process, DARPA funded the software that turns code into a fab-ready file, and all of it sits in public repositories. turns out the whole flow fits in a git push: - write the logic in Verilog, or drag gates around in a browser if you have never done this - push to GitHub, an action runs synthesis, placement, routing and sign-off on the commit - OpenROAD finishes place-and-route with no human in the loop, code to fab file inside 24 hours - SKY130 carries the fab's real design rules, so passing the checks means it is manufacturable - a few hundred designs share one wafer, which is the only reason a person can afford the masks nobody puts this part in the thread: 130nm is roughly where the industry stood in 2001, and you wait six to nine months for silicon. this does not get you a GPU. it gets you a real object with your logic inside it. bookmark this. the video is one of those designs opened layer by layer, and every rectangle in it exists in the file that was sent to the fab.

Argona

131,261 views • 1 day ago

🚨 SOUTH KOREAN SCIENTISTS JUST CREATED HOLLOW SILICON NANOTUBES THAT TRAP HEAT AND TURN WASTE ENERGY INTO ELECTRICITY. Researchers at POSTECH have developed a new hollow silicon nanotube structure that dramatically reduces thermal conductivity. By turning solid nanowires into microscopic pipes, they trapped heat-carrying particles (phonons) inside the tubes, cutting thermal conductivity by 70% compared to solid wires. Even when both structures had the same surface area, the hollow nanotubes still ran 33% cooler. This phonon localization effect previously thought to require extreme cold or exotic materials was achieved at near-room temperature using simple silicon nanotubes. Why this matters: • Waste heat from data centers, EV batteries, factories, and electronics is currently lost this could capture and convert it into usable electricity • The technology uses abundant, cheap silicon instead of rare and expensive materials like bismuth and tellurium • It’s highly compatible with existing semiconductor manufacturing, making large-scale production more realistic • It solves a long-standing problem: silicon is great for chips but terrible for thermoelectric energy conversion The deeper implication: This breakthrough shows that clever nanoscale engineering can unlock new capabilities from ordinary materials. By controlling how heat moves at the atomic level, researchers are opening a path to more efficient energy recovery systems without relying on scarce resources. As AI and computing power keep growing, finding ways to recycle the massive amounts of waste heat they generate will become increasingly important. How significant do you think waste-heat recovery technologies like this could become in the next decade? Follow for more frontier materials science and energy innovation.

TheNewPhysics

25,739 views • 1 month ago

Tesla cut its Gigacasting processing time from 180 seconds to 75 seconds — nearly 60% faster 🌊 The Model Y Juniper rear casting now weighs approximately 60 kg, down from 67 kg on the previous generation. Much of the industry conversation centers on press size and tonnage. The concrete gains in speed and mass on this high-volume part come from targeted process refinements inside the die and across the production system. -> Processing time reduced from 180s to 75s on the rear casting -> Part weight lowered by 7 kg through incremental design improvements -> Faster cycle achieved while improving microstructure and mechanical properties Conformal cooling makes the difference. Complex water channels, drilled or through 3D-printed inserts directly into the die steel, target hot spots and pull heat out rapidly and evenly across the entire casting. This accelerates solidification, reduces temperature gradients, and allows the part to be ejected sooner without defects. The result is a casting that is both lighter and stronger, produced in less than half the time. Supporting elements include advanced software that controls every injection parameter and runner/gate designs refined through five years of iteration since 2020 + close collaboration among casting designers, die engineers, production, and safety teams running high-volume lines on three continents. Tesla’s manufacturing edge is not the Giga Press hardware itself. It is the accumulated knowledge of how to run these machines at scale. 📊 The Gigacasting Database gives you the full picture of the market: Credit: Atomic Industries - Aaron Slodov ❌ Don't leave your insights to chance with the X algorithm ✅ Subscribe for free to my weekly newsletter about all things Gigacasting and magnesium Thixomolding: 📬

Luca Greco

169,989 views • 1 month ago

This looks like a simple transparent shock absorber filled with oil. But what you are seeing is one of the most destructive phenomena in fluid engineering. This is cavitation in its true form. The white cloud forming beneath the piston is not foam and it is not air. The oil is literally changing from liquid to vapour at room temperature. When the piston moves rapidly, the oil is forced through tiny passages inside the damper. The fluid velocity increases, the local pressure drops, and if it falls below the oil's vapour pressure, the liquid begins to boil without any increase in temperature. The moment the pressure recovers, those microscopic vapour bubbles collapse almost instantly. And that is where the real damage begins. The destructive forces of cavitation is really not understood well by most. A collapsing cavitation bubble creates shockwaves and high-speed microjets that strike nearby surfaces with enormous local forces. Repeated millions of times, these tiny implosions can slowly eat away hardened metals, destroy precision components and reduce the lifespan of expensive machinery across industries. This same invisible phenomenon is one of the biggest challenges in naval engineering. Ship propellers operating under enormous loads can suffer cavitation erosion, losing efficiency while creating underwater noise. For advanced stealth submarines, that noise can become a major problem because cavitation can reveal their position. Decades of research have gone into specialised propeller designs, pump-jets, surface finishes and hydrodynamic optimisation to delay its formation. The same issues affects hydroelectric turbines that convert the energy of entire rivers into electricity, and industrial pumps that move oil, chemicals and water through critical infrastructure around the world. Perhaps the most remarkable part is that after 4-5 decades of advances in metallurgy, coatings and manufacturing, engineers still cannot simply build a material that is immune to cavitation. The solution is not to make stronger metals forever. It is to understand the fluid dynamics so precisely that cavitation is prevented before in those destructive bubbles ever form.

Ammanichanda

1,177,022 views • 3 days ago

In 1964, a 17 year old from San Diego conducted the most dangerous psychology experiment ever attempted by a teenager. Randy Gardner stayed awake for 264 hours (11 days) with: • No stimulants • No caffeine • No medical suppressants And Stanford sleep researchers realized too late they couldn't stop him. What happened inside his brain during those 264 hours rewrote everything we thought we knew about consciousness. By day three, Randy's short term memory had completely collapsed. He couldn't remember starting a sentence by the time he reached the end of it. Researchers would ask him to count backward from 100, and he'd stop at 65, staring blankly, having forgotten the entire concept of numbers. But the terrifying part wasn't the memory loss. Randy's brain began creating a second reality that ran parallel to the real one. He'd have full conversations with people who weren't there. He'd walk to locations that didn't exist. His eyes stayed open, his body kept moving, but his mind was living inside elaborate hallucinations that felt completely real to him. Sleep researchers had predicted cognitive decline. They hadn't predicted that the sleep deprived brain would start *manufacturing* an alternate conscious experience to fill the gap. Dr. William Dement, the Stanford researcher monitoring Randy, discovered something that changed sleep science forever. The hallucinations weren't random. They followed the exact same patterns as REM sleep dreams, complete with narrative arcs, emotional themes, and symbolic imagery. Randy's brain was dreaming while awake, projecting dream content directly onto his waking perception. The boundary between sleep and consciousness was more than binary. It was fluid, and without sleep to maintain the separation, the two states began bleeding into each other. By day nine, Randy couldn't distinguish between his hallucinations and reality. He became convinced that Dr. Dement was plotting against him. He accused the researchers of being imposters. His paranoid delusions were so convincing that even the people documenting his mental breakdown began questioning their own perceptions. Randy's EEG readings showed something unprecedented. His brain waves were cycling through all four stages of sleep while he remained physically awake and mobile. His neurons were firing in sleep patterns, but his motor cortex kept his body upright and functioning. He had become a walking sleeper, a conscious dreamer, a person experiencing two incompatible states of being simultaneously. When Randy finally slept after 264 hours, he didn't collapse into a coma. He slept for 14 hours and 40 minutes, then woke up completely normal. The hallucinations vanished. The paranoia disappeared. His memory returned. But the Stanford team realized they had documented something extraordinary about human consciousness that nobody talks about. Your brain doesn't need sleep to *function*. Randy proved the human body can operate for weeks without it. What your brain needs sleep for is to maintain the distinction between internal mental reality and external physical reality. Sleep isn't rest for your body. Sleep is a firewall for your mind. Without that firewall, the dream world and waking world merge into a single, indistinguishable experience where hallucinations become as real as the room you're sitting in. Randy recovered completely, but sleep researchers never attempted the experiment again. The ethical implications were too severe. They had accidentally discovered that consciousness is far more fragile than anyone suspected, held together by nothing more than eight hours of unconsciousness every night. Every time you go to sleep, your brain is performing the most critical maintenance operation in human biology. It's rebuilding the wall between dreams and reality. And without that wall, there is no difference.

Darshak Rana ⚡️

118,360 views • 2 months ago

Trump’s Long Game to Topple the Iranian Regime Trump’s strike on Iran was not a random move. It was the final piece of a larger strategy that has been unfolding since he returned to office. Most people look at the February 28th strikes on Iran’s military targets and assume it was simply about protecting Israel or stopping an immediate threat. That is only the last scene. The groundwork had been laid for over a year. From the start of 2025, the administration moved on multiple fronts. Early 2025 focused on China. New tariffs and aggressive efforts to bring manufacturing back to the United States were framed as economic policy, but they also squeezed Beijing’s ability to fund partners and expand its military reach. Reduce the cash flow and you weaken the network. Throughout 2025, Russia remained locked in Ukraine. The United States kept support flowing while pressing Europe to shoulder more of the burden. The result was strategic containment. Moscow stayed preoccupied in its own region, limiting its ability to meaningfully back Iran or Venezuela if tensions escalated elsewhere. By mid-2025, the strategy escalated with Operation Midnight Hammer. During the intense Twelve-Day War between Israel and Iran in June, U.S. forces launched precision strikes using B-2 Spirit stealth bombers and submarine-launched Tomahawk missiles against Iran’s primary nuclear enrichment facilities at Fordow, Natanz, and Isfahan. The operation delivered a devastating blow to Iran’s nuclear program with Massive Ordnance Penetrators, significantly setting back Tehran’s ambitions while remaining narrowly tailored to avoid full-scale war. Late 2025 brought a targeted operation inside Iran. US forces struck senior Quds Force figures and disrupted coordination hubs tied to partners in Latin America and the Middle East. Weapons pipelines were slowed. It was a demonstration of reach and precision without triggering a full scale war. A shaping move. On January 3, 2026, US forces captured Nicolás Maduro and his wife in Caracas. This dismantled a sanctions evasion channel that helped Iran move oil revenue. It also disrupted Iranian and Hezbollah networks operating out of Venezuela. The signal was blunt. Geographic distance would not guarantee safety. By February 28th, the stage was set. The strikes on Iran’s nuclear infrastructure and key military sites followed. Iran’s Supreme Leader and several senior commanders were killed. The stated objective was not occupation, but degradation. Set back the nuclear program, weaken proxy confidence, and deter a broader regional arms race. Now we are seeing rapid reactions from activist groups linked to Neville Singham. Singham, an American businessman living in Shanghai, has been associated with funding organizations such as The People’s Forum and Code Pink. After prior US actions involving Iran and Venezuela, these groups mobilized quickly with coordinated statements and protests. Trump’s moves were cutting off key money routes and strategic partnerships that help China. Venezuela and Iran were important pieces in Beijing’s bigger global plan for cash, influence, and power. Whenever the U.S. took action, the 2025 Iran hit, grabbing Maduro, or the large strikes in Iran, these well-funded organizations quickly organized protests, statements, and rallies as pushback. When you connect the dots, it becomes super clear: The tariffs on China, the ongoing support for Ukraine, the targeted ops inside Iran in 2025, capturing Maduro in Venezuela, and the strikes that occurred today, these weren’t random or separate moves at all. They were all connected steps in one smart, long-term plan. The goal was simple: break up this loose group of countries working together before they could team up tighter and become a real, lasting challenge to America’s power in the world.

Jammles

123,677 views • 5 months ago

China’s latest industrial disaster looked less like a factory accident and more like a war zone. Parts of China now look like they’ve been hit by a nuclear strike. On May 4, a fireworks factory in Liuyang exploded with such force that a massive mushroom cloud rose into the sky. Residents within a 10-kilometer radius reportedly felt tremors similar to an earthquake. Roofs were ripped apart. Windows shattered. Entire neighborhoods fled in panic. By the end of the rescue operation, 26 people were dead and 61 injured. And yet, what shocked me most was not the explosion itself. It was how normal this has become. Liuyang is known as China’s “fireworks capital.” The industry employs roughly 300,000 people and dominates global fireworks exports. If you’ve watched fireworks in the United States, Europe, or Asia, there’s a good chance they came from Liuyang. But behind the colorful celebrations is a system running on extreme risk, weak enforcement, and economic desperation. This was not an unforeseeable tragedy. Earlier this year, regulators reportedly discovered dangerous chemical storage violations inside the same company. Oxidizers and reducing agents were allegedly stored together, something even basic chemistry students know can trigger explosions. The punishment? A fine reportedly equivalent to roughly US$2,000. Three months later, the factory exploded. According to witnesses, a fire had already broken out 10 to 20 minutes before the catastrophic blast. Workers in nearby workshops allegedly continued operating because nobody organized a full evacuation. Think about that. A highly explosive industrial facility catches fire and workers keep working because the system around them is so poorly managed that no one initiates emergency procedures. This is the deeper story behind many Chinese industrial disasters. China’s economic model produced large manufacturing scale. But scale without institutional discipline eventually creates fragility. Local governments become financially dependent on dangerous industries. Regulators become incentivized to preserve production instead of enforcing safety. Minor violations accumulate until one day the entire system detonates. Literally. What makes this especially tragic is that many workers in these industries are older laborers or low-income migrants with limited alternatives. They understand the dangers, but the economic system leaves them little choice. And this is why industrial accidents in China often repeat themselves. Not because the country lacks rules. Not because officials don’t hold meetings or issue slogans. But because political theater frequently substitutes for operational accountability. After the explosion, local authorities reportedly organized another round of “safety study sessions” emphasizing official directives and political guidance. But studying speeches does not stop chemical explosions. Competent oversight does. Safety culture does. Enforcement does. When a society normalizes preventable disasters in the name of production targets and economic growth, eventually even a fireworks factory begins to resemble a battlefield.

Ken Cao-The China Crash Chronicle

25,278 views • 2 months ago