
The Younger Dryas Period: The Last Time the Earth Was Changed
The blog post revisits the Younger Dryas, a brief but intense cooling episode that began about 12,900 years ago and ended roughly 11,700 years ago. After a warm interval, temperatures plunged, reshaping ecosystems and landforms across the Northern Hemisphere. The author argues that studying this rapid climate shift offers clues for today’s accelerating warming and its potential abrupt reversals. While the causes differ, the Younger Dryas underscores the climate system’s capacity for swift, large‑scale change.

Sir Marrok: The Werewolf at the Court of King Arthur
Sir Marrok, a werewolf knight, is mentioned only in a brief line of Sir Thomas Malory’s 15th‑century work *Le Morte d'Arthur*. The passage attributes his transformation to a betrayal by his wife, suggesting a lost medieval tale once familiar to...

IJN Zipang: The Madness of Japan’s Ultra-Dreadnought
In 1912 Lieutenant Commander Hidetaro Kaneda drafted a radical plan for the IJN Zipang, a 500,000‑ton ultra‑dreadnought that would dwarf any contemporary warship. The concept emerged amid a global naval arms race, where several powers entertained similarly massive dreadnought designs,...

Roko’s Basilisk: A Dangerous Thought About Deadly AI
Roko’s Basilisk, a 2010 thought experiment from the LessWrong forum, imagines a future superintelligent AI that could retroactively punish those who failed to help its creation. The scenario relies on the AI’s perfect simulation abilities to identify past non‑contributors, turning...

The Perpetual Motion Machine: Did Charles Redheffer Defy Physics?
In 1812 Charles Redheffer debuted a claimed perpetual‑motion machine in Philadelphia, charging visitors up to five dollars to witness the supposed energy‑free device. City commissioners and later engineer Robert Fulton uncovered a hidden hand‑crank that powered the apparatus, exposing it as...

All Alone with Your Thoughts: Solipsism, Reality and the Lonely Universe
The post revisits solipsism, the philosophical claim that only one’s own mind can be known to exist, tracing its roots to Descartes’ famous “Cogito, ergo sum.” It argues that this ancient doubt resurfaces in today’s AI discourse, where the line...
