https://nodalzen.com/blog/ Plain-language explainers and news on AI data center infrastructure. https://nodalzen.com/blog/data-centers-in-space-2026/ https://nodalzen.com/blog/data-centers-in-space-2026/ Wed, 04 Nov 2026 12:00:00 GMT Where orbital data centers stand in late 2026, what has actually flown, what is only planned, and the hard problems of heat, radiation and launch cost. https://nodalzen.com/blog/how-much-electricity-do-data-centers-use/ https://nodalzen.com/blog/how-much-electricity-do-data-centers-use/ Wed, 04 Nov 2026 12:00:00 GMT What the US national lab and the International Energy Agency say about data center electricity use today and where it may be heading. https://nodalzen.com/blog/liquid-cooling-and-water/ https://nodalzen.com/blog/liquid-cooling-and-water/ Wed, 04 Nov 2026 12:00:00 GMT Why hotter AI racks pushed liquid cooling into the mainstream, and what the numbers say about how much water data centers use. https://nodalzen.com/blog/pue-and-cooling-explained/ https://nodalzen.com/blog/pue-and-cooling-explained/ Wed, 04 Nov 2026 12:00:00 GMT What power usage effectiveness (PUE) means, how air and liquid cooling differ, and why the number matters for AI data centers. https://nodalzen.com/blog/grid-connection-and-transformer-bottleneck/ https://nodalzen.com/blog/grid-connection-and-transformer-bottleneck/ Wed, 04 Nov 2026 12:00:00 GMT Why plugging a new data center into the grid can take years, from interconnection queues to transformer lead times, and what is being done about it. https://nodalzen.com/blog/what-is-an-ai-data-center/ https://nodalzen.com/blog/what-is-an-ai-data-center/ Wed, 04 Nov 2026 12:00:00 GMT A plain-English tour of an AI data center, from a single chip to the rack, the building and the power grid that feeds it.