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Browse all →Karl Schroeder helps you achieve "earned" optimism about the future using a mix of wild science fiction speculation and hard-nosed strategic foresight. Paid subscribers get new serialized fiction, deeper analyses, and more input to the process.
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Below Median in Science
substack
Science
1.70%· ~17/post
(comments + likes) / subscribers
vs 0.00% category avg
WeeklyOn pause
Last published Mar 27, 2026
$5/mo
Category avg: $5/mo
256
newsletters in Science
Below Median in Science
out of 256 newslettersPublishing Frequency
Weekly
Inactive — last post 2 months ago