Walk reports, counts and the occasional argument, newest first.
Oct 17, 2026
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3 min read
A miniature phonograph, an unsettling sound, and an experiment with Edison’s own voice.
Oct 16, 2026
2 min read
An expensive mold, an affordable-home dream, and a question today’s concrete printers still face.
Oct 15, 2026
Anna Atkins made it with sunlight, iron salts and seaweed.
Oct 14, 2026
1 min read
An amber fossil preserves an absurdly long mouth. How could it bend without kinking?
Oct 13, 2026
Cacao cannot grow in the U.S. state of Georgia. Ancient pottery says it reached Etowah anyway.
