Start reading
Log in
Inbox
Chat
Explore
Notifications
Profile
Welcome to Substack
Sign up to discover, read, and support great writing.
Get started
More
Share this profile
Mark
old. confused.
Copy link
Twitter
Facebook
Email
Mark
old. confused.
DOPPELKORN
By Mark
Subscribe
waste of time
Reads
See all
The Intrinsic Perspective
Paid subscriber
Razib Khan's Unsupervised Learning
Paid subscriber
Astral Codex Ten
Free subscriber
Bet On It
Free subscriber
Don't Worry About the Vase
Free subscriber
The Egg And The Rock
Free subscriber
Latest
Dive into your interests
We'll recommend top publications based on the topics you select.
Continue
Get app
Dive into your interests
We'll recommend top publications based on the topics you select.
Continue
This site requires JavaScript to run correctly. Please
turn on JavaScript
or unblock scripts