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  Behind ChatGPT is a much bigger question: who pays for the power grid AI needs? Ask ChatGPT a question. A few seconds later, an answer appears. That's all most of us see. But somewhere behind that answer, GPUs are running. Those GPUs consume electricity. They generate heat, which means they need cooling. The servers need to operate around the clock. And all of that equipment has to live somewhere. Inside a data center . As AI grows, those data centers are getting larger — and their demand for electricity is becoming large enough to affect the power system itself. That leads to a surprisingly personal question: Who pays for all the electricity infrastructure AI needs? The AI company? The data center? The utility? Or could part of the bill eventually reach ordinary households? Data Centers Could Consume More Than 10% of U.S. Electricity In 2026, Lawrence Berkeley National Laboratory published an updated estimate of U.S. data-center electricity consumption. Its...

Behind every landing is a small maintenance business most passengers never think about. Watch an airplane land closely and you may notice a brief puff of smoke from its tires. Just before touchdown, the wheels are not spinning at the same speed as the aircraft is moving. The instant they hit the runway, they accelerate rapidly. That creates friction. And some of the tire rubber stays behind. One landing leaves very little. But at a major airport, it happens hundreds — sometimes thousands — of times every day. A plane lands. A little rubber stays behind. Another plane lands. A little more accumulates. Over time, dark rubber deposits build up in the touchdown zones where aircraft first meet the runway. This isn't simply a cosmetic problem. Airports actually have to remove it. And behind that routine task is a specialized business most people never know exists. What Happens at One of the World's Busiest Airports? Consider Chicago O'Hare International Airport. In 2025, O'Ha...