Reletter
Artwork for Lux Umbra Dei

Lux Umbra Dei

Michael

Sometimes humorous, amateur recreations and explorations in math, analytic philosophy and science. Short fiction. Religious stuff. Laments on aging! Lots of questions but not a lot of answers. A certainty-free zone!

Platform
Substack
PricingOnly free issues
PublishesTwice weeklyIssues339
SubscribersRead runtothehorizn.substack.com

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Latest Issues

Recent posts by this newsletter. Browse the email archive.

Oh Nooooooooo!

I burnt my Dave's Killer Bread™ toast this morning! Oh Nooooooooo!

3 months ago
14
13

Caveat Creator

In Caveat Resurrector we discussed the inherent dangers in bringing back extinct life forms. In this short note we will look at a far greater risk posed in creating a new form of life.

4 months ago
7
7

Heat

Recently I made some comments in Jason Anthony's premier Substack, Field Guide to the Anthropocene. Here I would like to reproduce and amplify those comments and to suggest ways forward out of what seems an intractable dilemma: the heat cre...

4 months ago
8
3

Caveat Resurrector

An idea whose time has apparently arrived facilitated by the biotech we are now coming to grips with, is the idea of the de-extinction of vanished species. Candidates for this are creatures who once roamed the earth such as wooly mammoths, ...

5 months ago
11
10

Authors

The writers behind this newsletter.

  • Michael

    Mountains, music, poetry, philosophy, mathematics. Last place runner, mediocre monk. Exemplars are Chinul, Longchenpa, Mipham, Dogen, Shardza T. Gyaltsen, Conway, Smullyan, t'Hooft, Wheeler, Snyder, Oliver.

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