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First Excited State

Tad Thurston

Extremely cool things we can know about the Universe with a bit of physics and/or mathematics already in the bank.

Platform
Substack
PricingOnly free issuesPublishesWeekly
Issues25SubscribersRead firstexcitedstate.substack.com

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Latest Issues

Recent posts by this newsletter. Browse the email archive.

Visual Proofs

Ok, so I love proofs. I think, really, it’s that I love the absolute certainty of them. The initial assertion is incontrovertible and unassailable, and if you disagree with it, you’re simply wrong. Wow! I remember reading a favorite textboo...

5 months ago
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How Far is the Horizon?

Sometimes when I’m in a tall building or a plane, I wonder how far away the horizon is.

6 months ago
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Super Moon Phases Blue Super Blue Phases!

Ok, I lied. I was working on one of my favorite topics — how the 1,500-year-old idea of an Earth-centered Solar System was finally refuted with observational evidence, and intended for that to be the next article, but the big idea relies on...

8 months ago
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Authors

The writers behind this newsletter.

  • Tad Thurston

    Professor of Physics and Astronomy for 19+ years at a CC, previously a 3D software engineer. more

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