Research Themes with a Playful Spirit

Bowed string
Logistic map and scratching sound
Listen to the sound of twinkling stars
Where does the 4-digit number 2020, the year of the Tokyo Olympic and Paralympic Games, appear in the first ten thousand digits of π?
How about the year 2025 of Osaka expo?
Logo of Tokyo 2020 and rhombus puzzle

Designs of 12 Signs of the Chinese Zodiac

A Practical Guide to 3D Reconstruction from Serial Sections: Using GIMP3, ImageJ, and Mathematica
by Yasushi Miki (Author), Daniel K. Gladish (Author)
ISBN-13: 979-8268447194
Publication date: October 25, 2025
Kindle, Paperback
Link to Amazon (Japan)
https://www.amazon.co.jp/Practical-Guide-Reconstruction-Serial-Sections-ebook/dp/B0D5LF29BZ/
Link to Amazon (USA)
https://www.amazon.com/Practical-Guide-Reconstruction-Serial-Sections-ebook/dp/B0D5LF29BZ /
List of 70 HTML Color Codes with Names