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L.L. Richman's Spacetime Speakeasy

A look into a writer's life, plus aviation pics — and cats, because the feline overlords insist.

Newsletter · By L.L. Richman · Official site

Indexed issues, last 90 days
4
Latest publication
Sep 17, 2026
Audience
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Earliest in this view
Jul 14, 2026

Latest issues

  1. Issue · Sep 17, 2026

    Lost in Space? Look Around. (opens the original)

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    How do you navigate a spacecraft millions of miles from Earth?<img alt="" class="sizing-normal" height="921" src="https://substackcdn.com/image/fetch/$s_!R-CZ!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%

  2. Issue · Aug 13, 2026

    Are your eyes lying to you? (opens the original)

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    Imagine volunteering for a retinal research study. They seat you in front of machine that projects an image onto your retina and tracks it. They explain the image will remain registered with the same photoreceptors in your eyes, no matter how much your eyes move. You’d think the image you’re staring at would be the most stable thing you’ve ever seen, right? Wrong.It disappears.<a class="image-link image2 is-viewable-img" href="https://pmc.ncbi.nlm.nih.gov/articles/PMC5332862/" target="_bl

  3. Issue · Aug 6, 2026

    This power plant is greener than anyone expected (opens the original)

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    We usually think of power plants and alternative energy facilities as things that consume land. But what if that infrastructure starts reshaping its environment instead?Let me introduce you to China’s Junma Solar Power Station. Built by Huawei, it features a galloping horse array that is 250 miles long. You read that right: miles.<a class="image-link image2 is-viewable-img" href="https://substackcdn.com/

  4. Issue · Jul 14, 2026

    The Planet Where it Rains Glass (opens the original)

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    Imagine a science fiction story that opens with the main character standing on a balcony as rain begins to fall.Except the rain isn’t water—it’s molten glass.And it’s not falling so much as blasting sideways… at more than 7 times the speed of sound.This isn’t science fiction. It’s science fact.Meet exoplanet HD 189733 bA deep blue gas giant roughly 63 light-years from Earth in the constellation Vulpecula. (Sounds like a cross between Vulcan and Dracula, right? Seriously, I’m not making this up

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