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The ongoing record-breaking heat wave in the West will continue while expanding across the Central U.S. through the weekend. Based on preliminary data, there have been around 50 March high temperature records broken since March 17 and more than 150 daily high temperature records broken. Record setting temperatures are...

40,360 просмотров • 6 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 • 20 дней назад

The heat dome ridge peaks overhead early tomorrow, then slowly begins to collapse. As it does so, this opens the door for thunderstorms fire up, as the suppressing subsidence forcing associated with the high pressure dome goes with it. This does not mean we cool off fast though, dangerous heat and humidity will continue through the weekend. Because of this, any storms that do fire, could easily become strong to severe. We are outlooked for severe weather on Friday, Saturday, and Sunday in the DC region. Friday: Marginal risk. We're still under the capping influence of the ridge most of the day, so any storms that do fire should be isolated in nature. Most models keep the majority of the region sunny & dry again. Just can't rule out a few pop-up, especially later in the day if there is a complex in PA during the late afternoon, at it's outflow could come south and trigger storms. Saturday: Slight risk. We'll be in the sweet spot for ridge riders...strong thunderstorms riding the outskirts of the weakening heat some. Storms will likely fire over the mountains during the peak heat of the day (1-4pm) and then shift eastward as their outflow boundaries trigger additional storms. Won't wash out the 4th, but there is serious concern that storms will impact events downtown for at least a period of time Saturday evening. We will be here monitoring. Sunday: Ample energy ahead of a cold front which should put an end to this intense heatwave...but may do so with some intense storms. Will have to monitor for scattered severe storms, or possible squall line type system to come through. We're in an extended day 4 slight risk from SPC as things stand right now. GRAF only goes out through early Sunday morning at the moment, but I've got the latest run for you below. We'll keep you updated on timing and will be here all weekend watching radar for you as events go on downtown.

Mike Thomas

40,993 просмотров • 2 месяцев назад

A large tank at an aerospace factory in Garden Grove started leaking. The chemical inside - methyl methacrylate, or MMA - is a clear liquid used to make airplane canopies and strong glues for aircraft parts. When air got in through the leak, the chemical began to harden and turn solid…just like superglue or epoxy does when you leave the tube open. This hardening process creates a lot of heat. With thousands of gallons reacting at once, the heat keeps building and speeds up the reaction even more. This “runaway” effect has raised the tank’s temperature, damaged the tank walls, and is releasing toxic fumes. Timeline • May 21, 2026 (Thursday, ~3:40 p.m.): The 34,000-gallon tank at the GKN Aerospace facility in Garden Grove develops a leak. Air reaches the roughly 7,000 gallons of MMA inside, starting an exothermic curing reaction. Orange County Fire Authority responders arrive on scene on Western Avenue. • May 21–22, 2026: Heat from the reaction builds quickly. The temperature of the material rises from normal room temperature to about 90 °F. Toxic vapors begin venting from the tank and internal pressure starts to increase. • May 22–24, 2026: Evacuation orders are issued and expanded for safety. Approximately 40,000 residents in Garden Grove and nearby areas are told to leave. GKN Aerospace chemists and local hazmat teams monitor the tank around the clock and work on cooling and containment steps. • As of May 25, 2026: The tank is still unstable. The runaway chemical reaction continues, and emergency crews remain on site performing damage-control operations. The liquid MMA itself is highly toxic. If the tank fails completely, thousands of gallons could spill into storm drains and waterways, causing serious long-term environmental damage. At the same time, the ongoing heat and gas buildup raise the danger of a sudden pressure-related rupture or explosion that could send a large cloud of toxic vapors over this heavily populated part of Southern California. The situation has not been brought under control.

DesertThrottleDiaries

1,345,880 просмотров • 4 месяцев назад

☀️12th April 2026: India Under the Dome: 6-Day Intense Dry Spell to Grip Subcontinent. The loan oasis, Northeast India Defies National Trend with Rain and Thunderstorms until 15th April. ​Mercury Surge: Central and South India Brace for 40°C+ as High Pressure Caps the Skies ​ Detailed Forecast & Analysis ​1. The Dominant "Heat Dome" Effect ​The orange and red anomalies in the loop represent positive geopotential height anomalies. This indicates a high-pressure system (anticyclone) at the 500mb level (approx. 5.5 km altitude). ​The Cause: This system acts like a "lid" or dome, trapping sinking air which warms up as it is compressed. This suppresses cloud formation and prevents moisture from the oceans from penetrating inland. ​Impact: Expect a rapid rise in maximum temperatures by 3–6°C across Northwest, Central, and East India. Example, cities like Delhi, Nagpur, and Ahmedabad are likely to approach or exceed the 40°C mark by April 15. ​2. Regional Breakdown Region Weather Outlook (Next 6 Days): Primary Driver Northwest & Central Severe dry heat; clear skies; rising heatwave risks. Strong anticyclonic subsidence. South Peninsular Hot and humid; minimal rainfall. High-pressure stability. East India Significant temperature spike (3–5°C rise). Expansion of the heat ridge eastward. Northeast India Scattered thunderstorms & light-to-moderate rain. Persistent 3. The Northeast Exception until 15th April. ​The red arrow in the loop image points to a specific area (Northeast India/Bangladesh border) where the high-pressure dome is weaker or interrupted. ​The Cause: A "trough" (an elongated area of low pressure) is expected to persist over this region. This allows moisture from the Bay of Bengal to interact with the hilly terrain, triggering Orographically induced thunderstorms. ​Expected Conditions: While the rest of India stays dry, states like Assam, Meghalaya, and Arunachal Pradesh will likely see fairly widespread rainfall and gusty winds 30–40 kmph through April 16. ​Preparation Advice ​Agriculture: Farmers in Central and West India should ensure adequate irrigation for summer crops as soil moisture will deplete rapidly. ​Health: High UV indices 9–10 are expected; avoid outdoor activity between 11 AM and 4 PM in heat-affected zones. ​Northeast Residents: Prepare for sudden squalls and lightning; ensure drainage systems are clear for localized heavy spells.

Parthan IN Weather

15,564 просмотров • 5 месяцев назад

🚨 THE ENERGY TECHNOLOGY THAT COULD POWER CIVILIZATION FOR THE NEXT 100 YEARS ISN'T FUSION. Molten Salt Reactors use molten fluoride or chloride salts as coolant and in some designs, the nuclear fuel itself is dissolved directly into that salt. This is very different from traditional reactors. Instead of solid fuel rods sitting in water under high pressure, these systems run at much higher temperatures but at atmospheric pressure, which dramatically reduces the risk of explosions or meltdowns. The salt can flow over solid fuel, or the fuel can be mixed directly into the coolant. Both approaches are being actively developed. Why this matters: • MSRs operate at high temperatures, making them potentially much more efficient at generating electricity and process heat • Low-pressure operation makes them inherently safer than conventional water-cooled reactors • Some designs can burn existing nuclear waste or use thorium as fuel • The technology could support everything from advanced power generation to hydrogen production and industrial heat The deeper implication: For decades, nuclear power has been dominated by one basic design concept. Molten salt reactors represent a fundamental rethink using a liquid that can act as both coolant and fuel. This opens the door to reactors that are safer, more flexible, and potentially capable of solving some of nuclear energy’s biggest historical challenges (waste, fuel efficiency, and public perception of safety). While still in development, MSRs are one of the most promising pathways for next-generation nuclear power. We may be looking at the early stages of a genuinely new chapter in how humanity generates clean, reliable energy. Do you think molten salt reactors will become a major part of the future energy mix, or will traditional designs continue to dominate? Follow for more frontier energy technology and next-generation nuclear systems.

TheNewPhysics

72,943 просмотров • 3 месяцев назад