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A Hacker News “Show HN” post presents an interactive web map of J.R.R. Tolkien’s Middle-earth that plots events from across the legendarium as clickable markers. Users can zoom and pan the map, select markers to read descriptions of key events, and use a Legend panel to filter content by book or toggle journey paths. The project also includes a separate Timeline page that organizes events chronologically. A “Measure distance” option lets users calculate distances between two points on the map. T
Show HN: Explore the Silk Roads through an interactive map
A visualization tracks the real-time erosion of US dollar purchasing power since January 2000, showing how much $1 from that date would buy “today.” The project uses the US Bureau of Labor Statistics CPI-U “All Items, US City Average, Not Seasonally Adjusted” series (CUUR0000SA0) as its underlying data source. Because CPI is published periodically rather than continuously, the display estimates a current value by interpolating from the long-term CPI trend starting in January 2000 and extending it to the present at the average rate of change. The “real-time” effect is created by subdividing that average rate into per-second increments. The tool matters as a simple, continuously updating illustration of inflation’s cumulative impact over time.
A real-time tracker visualizes how the purchasing power of the US dollar has changed since January 2000, using the Bureau of Labor Statistics CPI-U “All Items, U.S. City Average, Not Seasonally Adjusted” series (CUUR0000SA0). The display frames the result as “$1 in January 2000 buys $X today,” updating continuously to show inflation’s erosion of value. Because official CPI data is published periodically rather than every second, the tool estimates the current moment by interpolating from the long-term CPI trend since January 2000 and extending it forward at the average rate of change. It then subdivides that average rate into per-second increments to create a live “tick.” The article provides methodology notes but no specific current dollar value.
A Hacker News “Show HN” post presents an interactive web map of J.R.R. Tolkien’s Middle-earth that plots events from across the legendarium as clickable markers. Users can zoom and pan the map, select markers to read descriptions of key events, and use a Legend panel to filter content by book or toggle journey paths. The project also includes a separate Timeline page that organizes events chronologically. A “Measure distance” option lets users calculate distances between two points on the map. The creator notes the base map image was sourced from the internet and is used for fan and educational purposes, and that the project does not claim copyright over the underlying map artwork. No launch date, author name, or usage metrics are provided.