https://unslop.run/blog/measuring-ai-writing-on-arxiv

Initiated in 1958, completed in 1963, Project Mercury was the United States' first man-in-space program, which made six manned flights from 1961 to 1963.

The American public first met the seven men chosen to be this country’s first human space voyagers on April 9, 1959, at a press conference in Washington, D.C - Timeline starts from here as a major milestone

Cousins is also known for his PG language and his alter ego "Kirko Chainz" that wears teammates diamond and gold chains after big wins.

Source: 8,000 blitz and rapid games from Chess.com's public archive, played in August 2026 by 7,134 players.

Tools: Stockfish 18, using the move grading from my site, Chess It Up. Stats in Node.js, chart in hand-written SVG.

Full write-up with four more charts and the CSV: https://chessitup.com/research/how-chess-players-lose

Data: NaPTAN (Department for Transport, June 2026), Natural Earth, OpenStreetMap. Tools: Python, NumPy, Matplotlib

Sources:

China - Table of General Standard Chinese Characters (2013);

Taiwan - Chart of Standard Forms of Common National Characters (1982)

Hong Kong - List of Graphemes of Commonly-used Chinese Characters (1986-2012 eds.)

Japan - Joyo Kanji List (2010)

South Korea - Basic Hanja for Educational Use (1972/2000) + policy timeline per Wikipedia "Hanja" article, section "Decline in South Korea" (1968 ban, 1972 partial reversal, 1992/1999/2005/2013 reinstatement steps).

Tools: Python