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AI, Data, Digital Twins, and Information

An honest career story, and short letters simplifying AI, digital twins, data strategy, and the modeling, mathematics, and engineering skills for the AI and data driven industries. Life and culture lessons that I learned the hard way 😉.

Newsletter · By Hala Nelson · Official site

Indexed issues, last 90 days
2
Latest publication
Aug 5, 2026
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Aug 1, 2026
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Latest issues

  1. Issue · Aug 5, 2026

    What Most People Get Wrong About the Data Center Debate (opens the original)

    Excerpt · Critical tone

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    What most people get wrong about the data center debate:⚡ “They’ll raise my electricity bill.”Only grid-connected ones can. Behind-the-meter facilities build their own power, completely disconnected from the public grid. Zero ratepayer impact. This distinction is important.💧 “They consume massive water.”Older evaporative cooling did. Modern closed-loop liquid cooling recirculates coolant with minimal consumption. The outrage targets technology most new builds no longer use.🗳️ “It’s one political

  2. Issue · Aug 1, 2026

    Water Facilities Cyber Incident (opens the original)

    Excerpt · Critical tone

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    I’ve been told more than once to focus my digital twin presentations on IT because “no one cares about OT.” I focused on both, in my book too. This week is why. Water is life...Coordinated cyberattacks hit water utilities across at least 7 US states. 30+ communities were disrupted — one plant went offline, others disconnected equipment and switched to manual operations. The FBI confirmed the attacks are spreading.The likely path: internet-exposed PLCs connected via cellular modems, accessed usin

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