Diagonal
Diana Kimball BerlinWeekly notes on the history and future of technology from the desk of Diana Kimball Berlin.
| Platform |  | Pricing | Only free issues | Publishes | Weekly |
|---|---|---|---|---|---|
| Issues | 132 | Founded | 6 years ago | Last Issue | 7 days ago |
| Active | |||||
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diagonal.substack.comLatest Issues
Because it helps the model to believe in itself
‘Untitled,’ typewriter-drawing on japanese paper, Arno Beck, 2022. Discovered via Marcin Wichary’s wonderful not-so-micro microblog.
Hello from Ohio. The kids have discovered the LEGO closet.
Here are five fragments that stuck with me las...
Breezy, forceful and as vivid as possible
Illustration on the “Four color theorem” Wikipedia page, found by way of this post on X. The four color theorem was an early computer-aided proof.
Hello from August. We’re getting to the bottom of things.
Here are five fragments that stuc...
Every book we sell is lost forever
“Alan [Kay] mimics the cookie monster on the bit-map display,” April 1973.
Hello from the end of July. I’ve been puzzling.
Here are five fragments that stuck with me last week…
Every once in a while I get fixated on something wi...
Since a computer is math
Illustration for the July 17, 2026 edition of Worm Blossom, highlighted by Robin Sloan.
Hello from…San Francisco! And hello from jet lag, home again.
Here are five fragments that stuck with me last week…
Everyone should develop...
Giving thoughts somewhere to go
Marcin Wichary, photographed at the Old Joliet Prison, July 9, 2026.
Hello from milder weather. Back from Paris, quite a few iced chocolates in my past.
Here are five fragments that stuck with me last week…
Today working on a ph...
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The writers behind this newsletter.
Bookworm turned PM turned VC turned PM at Gamma.
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