Articles
Tips and ways of working I actually use, written down for myself and anyone interested.
Astronomy · 2026-10-18 · Thai
Where Is the Sun Directly Overhead?
Earth's 23.5° tilt keeps the overhead sun between 23.5°N and 23.5°S. Includes when it passes over Bangkok and a 3D globe you can scrub through the year. Written in Thai.
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Excel · 2026-10-13
Hide Repeated Values in Excel, Keep the First One
Use Conditional Formatting with a ;;; number format to hide values that repeat the row above. The data stays, it works on any background, and there is a sample file to download.
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