HeyJaredClosing the Loop
Explorations on topics pertaining mostly to the climate, energy and nuclear weapons, with occasional forays into other topics, sharing the learning experience of a physicist.
- Indexed issues, last 90 days
- 9
- Latest publication
- Sep 26, 2026
- Audience
- Checking…
- Earliest in this view
- Jul 8, 2026
Latest issues
AI in nuclear warfare (opens the original)
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<img alt="" class="sizing-normal" height="533" src="https://substackcdn.com/image/fetch/$s_!bH3t!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff0f95e9a-f9b7-4493-b673-554d8faee21a_800x533.png" w
How good is AI, anyway? (opens the original)
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<img alt="" class="sizing-normal" height="533" src="https://substackcdn.com/image/fetch/$s_!x2JR!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fd9d5db7a-3bcf-45bd-84e0-46c30d6c3013_800x533.png" w
What isn't AI? (opens the original)
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<img alt="" class="sizing-normal" height="750" src="https://substackcdn.com/image/fetch/$s_!tQPA!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F203946ee-3403-4cfa-bcd6-11b8dcce7d79_1244x750.png"
US Tactical Nuclear Weapons Update (opens the original)
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Penalizing renewable energy (opens the original)
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