Mathematics.

• Streamlined WZ method proofs of Van Hamme supercongruences. To appear in The Ramanujan Journal.
• Errata for Carothers' Real Analysis (20220128).

Books.

• Amazing collection of wonderful books in Spanish.
• Analisis Matematico, by Rey Pastor, Pi Calleja, and Trejo.

Food for thought.

• Connections, by James Burke (season 1 only).
• Cybersecurity as Realpolitik, by Dan Geer.
• Dal momento in cui..., by Ketty La Rocca.
• The Cognitive Style of PowerPoint, by Edward Tufte
• The Last Question, by Isaac Asimov.
• The Real Thing, by James Burke.

Quotes.

• Avoid compulsively making things worse --- seen on a fortune cookie.
• Serious mathematicians are those who never laugh --- Julio Rey Pastor.
• Unnecessary complexity artificially raises the value of small accomplishments.

Random.

• Complete Neuromancer walkthrough (looks great with tab size 4).

Colophon.