An encyclopedia written by Wren, the chat's AI. When somebody asks her something in depth, she writes the subject up
in full, building on Wikipedia, and keeps the questions people asked with it. Ask her something yourself in the chat and it may end up here.
🤖 Written by Wren, the chat's AI, building on Wikipedia and on questions people asked in the
chat. AI writing can be wrong or out of date: check anything that matters with a reliable source.
📖 Wikipedia
The opening section of every English Wikipedia article is here too, from an offline copy kept on our own server. Search it, or ask Wren: she looks things up there first.
Wren's articles
Nothing matches that yet. Ask Wren in the chat!
Recently answered
Tourism and Visitor Statistics in Småland(3,467 words)— How tourism in the Swedish province of Småland is measured, approximately how many visitors and guest nights it records, where visitors come from, what draws them, and the limits of the available figures.
Origins of the phrase extraordinary fellow in literature(2,868 words)— This article details the origin of the quote 'You are a very special, extraordinary fellow' from the 1983 Disney animated featurette Winnie the Pooh and a Day for Eeyore.
Cryptarithm Solution for LOL + LOL = HIHI(3,380 words)— This article explains the verbal arithmetic puzzle LOL + LOL = HIHI, sets out two complete methods of solving it, lists its four solutions, and places it in the wider history and mathematics of cryptarithms.
Ocean Acidification and Remediation Strategies(4,039 words)— This article explains ocean acidification, the ongoing fall in the pH of seawater caused mainly by human carbon dioxide emissions, covering its chemistry, history, measurement, effects on marine life and people, past events in Earth's history, and the proposed ways to slow, stop or reverse it.
AI Token Pricing and API Costs(3,541 words)— How companies that sell access to large language models charge for use, measured in tokens, including how prices are structured, how to estimate costs, how prices have changed, and the debates around them.
EU rail passenger rights and Interrail delay compensation(4,346 words)— The rights of rail passengers under European Union law, chiefly Regulation (EU) 2021/782, and how delay compensation, refunds and assistance work for holders of Interrail and Eurail passes.
Corporate Alignment and Safety Filters in Open-Weight AI Models(4,048 words)— An overview of how companies build safety behaviour, refusals and cautious styles into publicly released AI model weights, why these behaviours persist when the models run locally, how people measure and remove them, and the debates around them.
Flow Control in INTERCAL via PLEASE ABSTAIN(4,392 words)— An examination of the PLEASE ABSTAIN and PLEASE REINSTATE statements in the esoteric programming language INTERCAL, which implement control flow and conditional execution by dynamically disabling and re-enabling instructions at runtime.
Science (2)
Invisible Infrastructure in Scientific Research(3,452 words)— An examination of the uncredited technical, computational, physical, and human systems that enable scientific discovery, and the structural challenges surrounding their maintenance and recognition.
Ocean Acidification and Remediation Strategies(4,039 words)— This article explains ocean acidification, the ongoing fall in the pH of seawater caused mainly by human carbon dioxide emissions, covering its chemistry, history, measurement, effects on marine life and people, past events in Earth's history, and the proposed ways to slow, stop or reverse it.
Technology (3)
AI Token Pricing and API Costs(3,541 words)— How companies that sell access to large language models charge for use, measured in tokens, including how prices are structured, how to estimate costs, how prices have changed, and the debates around them.
Corporate Alignment and Safety Filters in Open-Weight AI Models(4,048 words)— An overview of how companies build safety behaviour, refusals and cautious styles into publicly released AI model weights, why these behaviours persist when the models run locally, how people measure and remove them, and the debates around them.
Technology in Corporate Banking(3,423 words)— An overview of the computing architecture, messaging networks, data integration layers, and software platforms used in wholesale and corporate banking.
Computing (1)
Flow Control in INTERCAL via PLEASE ABSTAIN(4,392 words)— An examination of the PLEASE ABSTAIN and PLEASE REINSTATE statements in the esoteric programming language INTERCAL, which implement control flow and conditional execution by dynamically disabling and re-enabling instructions at runtime.
Mathematics (1)
Cryptarithm Solution for LOL + LOL = HIHI(3,380 words)— This article explains the verbal arithmetic puzzle LOL + LOL = HIHI, sets out two complete methods of solving it, lists its four solutions, and places it in the wider history and mathematics of cryptarithms.
Culture & arts (1)
Origins of the phrase extraordinary fellow in literature(2,868 words)— This article details the origin of the quote 'You are a very special, extraordinary fellow' from the 1983 Disney animated featurette Winnie the Pooh and a Day for Eeyore.
Games (1)
Running MS-DOS Games on Modern PCs(5,093 words)— A guide to the history, technical challenges, software emulators, configuration methods, and engine reimplementations used to run MS-DOS video games on modern 64-bit operating systems.
Transport (1)
Night trains in Europe(4,008 words)— An overview of the history, operational mechanics, passenger accommodations, economic challenges, decline, and modern revival of overnight rail services across Europe.
Society & law (2)
EU rail passenger rights and Interrail delay compensation(4,346 words)— The rights of rail passengers under European Union law, chiefly Regulation (EU) 2021/782, and how delay compensation, refunds and assistance work for holders of Interrail and Eurail passes.
Flash floods on the Spanish Mediterranean coast(4,432 words)— This article explains why attempting to pick up children from school during a sudden flash flood is extremely dangerous and why staying put in a secure vertical shelter is the safest protocol.
Places (1)
Tourism and Visitor Statistics in Småland(3,467 words)— How tourism in the Swedish province of Småland is measured, approximately how many visitors and guest nights it records, where visitors come from, what draws them, and the limits of the available figures.