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Cooling, upgraded. The first batch of BITMAIN Antminer L9s under PinLinks proprietary conversion from air to hydro cooling is now going live after highly impressive testing, running inside PinLink’s custom-built hydro cabinets, which will become available through the dApp. The devices are running flawlessly with smoother operations than air...

20,067 просмотров • 8 месяцев назад •via X (Twitter)

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Satya Nadella: Microsoft’s latest Wisconsin AI data center keeps yearly water consumption no higher than that of 1 local restaurant. "The cooling loop is filled once and the data centre can operate effectively with zero water consumption. Daily water usage across a year is roughly equivalent to what a single restaurant would use" The mechanism is mainly about replacing evaporative cooling with closed-loop direct-to-chip liquid cooling, so water moves like coolant inside a sealed machine rather than being boiled off into the air. Hot GB200-class AI racks produce too much heat for normal air cooling, so cold liquid is pushed through pipes into the servers and across metal cold plates touching the hottest chips. The liquid enters the rack cool, absorbs heat from the chips through cold plates, then exits the rack at a higher temperature and carries that heat through pipes to a huge cooling system outside the compute floor. Microsoft says Fairwater sends that hot water to cooling “fins” beside the datacenter, where 172 20-foot fans blow air across the fins and dump the heat into the outside air. The important detail is that the air cools the water through metal surfaces, so the water does not need to evaporate the way many older datacenters use cooling towers. The cooled liquid then returns to the servers, repeats the loop, and keeps absorbing heat from the chips. In older data centers, heat is often removed partly through cooling towers. Hot water meets moving air, some water evaporates, and that phase change carries heat away. Effective, but it consumes fresh water continuously. But Firwater is a closed loop because the same coolant keeps circulating through sealed pipes: it absorbs heat from the chips, releases that heat through radiator-like fins, then flows back to the chips again. For Wisconsin Fairwater, Microsoft says more than 90% of the facility uses closed-loop liquid cooling, while the remaining portion uses outside air and switches to water only on the hottest days. ---- From "Microsoft" YouTube channel, (link in comment)

Rohan Paul

86,654 просмотров • 29 дней назад

A high-end injection mold can cost $400,000-$500,000, with dozens of cavities, hydraulic slides, lifters, ejectors, valve gates and hot runners packed inside hardened H13 or S136 steel. Some molds carry 128 cavities, producing 128 parts per cycle, while precision machining can hold tolerances around ±0.005 mm. Cooling circuits circulate water through channels inside the steel, with temperature control around 1-2°C, cycle after cycle. These aren't designed for a few thousand parts. High-end production tooling can be engineered for 1-2 million+ shots, operating through repeated injection pressure, heating, cooling and mechanical movement without losing much alignment. The industrial ecosystem required to make them is enormous, CNC machining, EDM, grinding, polishing, heat treatment, metrology, mold flow simulation, thermal management and hot-runner engineering all have to work together. And China has become the centre of gravity for this industry. China represented nearly 17.8% of the global injection molding market, while some industry estimate puts Chinese manufacturers at roughly 68% of global plastic injection mold supply. These are the machines that make the machines. For any country trying to build a serious manufacturing base, the ability to produce tooling this precise and complex is fundamental. These molds sit at the core of thousands of factories, determining how cheaply, quickly and reliably everything from cars to medical devices can be manufactured at scale.

Ammanichanda

625,219 просмотров • 1 месяц назад

OK, I have a definitive word on the CJ Abrams play from today's Pittsburgh Pirates at Washington Nationals game after talking with Elias Sports Bureau on this. This play will stay as a sacrifice fly. The originial ruling of NOT a sacrifice fly was for the exact same reason that I thought, which is that the infielder is not running into the outfield, which is year's past would have been correct As it was explained to me, in past years, an infielder had to be running almost in a straight line towards the outfield wall to be considered "running in the outfield". Here, since he is running, and he ends up further away from home (157 feet) than when he started (145 feet), this is going to count as a sacrifice fly. That definition is changing, in part from this play to help bring greater consistency, and to take some of the guesswork out of it (the argument that he is running into the outfield as opposed to more parallel). Now, folks all the time ask "why doesn't MLB publish the OS Manual" and I always say because it is a living document that can have the wording change, and the wording for this play will be modified to something like "more towards the outfield wall than towards home plate" to eliminate any confusion. The big key to this play is that he was running on a full sprint. Also, and this is helpful for me, but for all fly ball outs that score a run, Elias Saba reviews to ensure consistency. So, yes, it's a sacrifice fly, and now that I have that info from Elias themselves, that sort of settles this one. Sounds like the guidelines for this definition will be changing, either this season, or certainly for next season.

MLB Scoring Changes

49,141 просмотров • 2 месяцев назад

This looks like a regular IT server room. But it is actually the main avionics compartment of an Airbus A350, a rare view into what sits at the very front of the aircraft, directly beneath the cockpit floor. Inside are 22 purpose built computing modules made by Thales, each costing more than $100,000+ They host multiple aircraft systems, processing everything from flight controls and landing gear to hydraulics, fuel, electrical systems and flight warnings. All of them are connected through a dual redundants AFDX network, with 14 switches and 29 remote data concentrators distributed throughout the aircraft. Keeping this computing architecture running requires an estimated 50-60+ kW of electrical power. The electricity keeping all of this computing hardware alive is generated in real time from the aircraft's two engines. Each engine mechanically drives two generators through its accessory gearbox, giving the A350 four generators capable of producing up to 100 kVA each. That electricity then flows through the aircraft's power network, where transformers and rectifiers convert it into the different AC and 28 V DC supplies the avionics need. And if those generators fail, the aircraft has layers of backup power, including the APU and, in an extreme emergency, a ram air turbine that deploys automatically if all systems fail. The A350 has two independent avionics cooling circuits, heat extraction fans and backup airflow paths to keep the computers within their operating limits. So the next time you hear the word autopilot, remember what it really takes to make an Airbus A350 fly itself, An entire architecture of computers, networks, redundant power and cooling, hidden beneath the floor where no passenger ever sees it. Source, maintenancemode

Ammanichanda

67,591 просмотров • 1 месяц назад

Many $IREN investors are waiting for an announcement from the company, to remove any doubts around Sweetwater 2 being included in batch zero baseload. At OnlyFrans, we prefer to follow the development facts, and as you can see in the time-lapse from the past 3 weeks, the progress is undeniable. Matching the rendering, the top-view from the satellite shows that the bulk substation earthworks are showing the typical IREN proportions. Roughly 2/3 of the footprint for the 345kV network, and the 1/3 smaller footprint above for the 138kV network. Further to the left, near the top of the image, we can see that the first signs for the two 300MW Primary substations are taking shape. I expect civil works to start in Q4, and after the stormwater works at Sweetwater 1 are done, I expect the main focus of the work to be stormwater management, in parallel with building out the bulk, and primary substations. Needless to say, Sweetwater 2 is batch zero baseload. Sweetwater 2 is an early example of the market moving before the rulebook did. In March 2025, IREN committed roughly $31m to secure 600MW with AEP — ~$51.7k/MW. Nearly a year later, Texas settled on a $50k/MW financial-security benchmark (under CIAC) for large loads entering Batch Zero. This means $IREN and AEP (the interconnecting TDSP for SW2) were already operating with the kind of financial commitment Texas would later require to separate real projects from speculative load requests. In other words: IREN was positioning its projects as real/financially committed rather than speculative well before Batch Zero forced everyone to do it. Think about it, if anyone would be compliant to the batch zero baseload requirements, wouldn't it be the company that had completed CIAC (Contribution in Aid of Construction) a year before it became mandatory for everyone else? I see a site progressing as if it's approved, and a connection progress that was completed before it became common knowledge. And somehow there are people that doubt that IREN will add 600MW of power next year? Now if you are interested to find out what else there is in batch zero baseload from IREN, you know where to go. Long $IREN

Frans Bakker

104,309 просмотров • 25 дней назад

🚨🇨🇳U.S. IN PANIC: China's J-35 Stealth Fighter Now in 'Beast Mode' With Increased Firepower China's J-35 fifth-generation stealth fighter has been seen in a new configuration carrying four PL-15 long-range air-to-air missiles on external pylons under its wings. Combined with the six missiles it carries inside its internal weapons bays, the aircraft can now go into combat with up to ten air-to-air missiles in total. 🔸This setup is informally called "beast mode" — a term borrowed from the U.S. military's similar configuration for the F-35. The idea is straightforward: the aircraft trades some of its stealth capability for significantly more firepower. When weapons are carried externally, they increase the aircraft's radar signature, making it more visible to enemy systems. However, the PL-15 missile's long range means the J-35 can potentially engage enemy aircraft from a safe distance before that visibility becomes a serious problem. 🔸The J-35 entered service in 2025 in both Air Force and Navy variants. The naval version is designed to operate from Chinese supercarriers such as the Fujian. Both versions are considered among the most advanced fifth-generation fighters in the world today, alongside the J-20 and the American F-35 — all three of which are regarded as more sophisticated than the older F-22 or Russia's Su-57. 🔸Within China's own air fleet, the J-35 is expected to serve as a lighter and more affordable complement to the larger and more powerful J-20, which carries a bigger radar, heavier weapons load, and longer range. The J-20 is expected to remain the priority for large-scale procurement, while the J-35 fills a broader operational role at lower cost. Do you think the U.S. can really counter it? NewRulesGeopolitics❗️

🇷🇺 STANISLAV KRAPIVNIK 🇷🇺

11,360 просмотров • 4 месяцев назад