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IDEA & ISAAC The 1st Site
To Home Page in Japanese
Only a few of English pages have their counterpart in Japanese, and vice versa.
Includes not only pages in this site but also sites made by Tatsu
Activities of IDEA-ISAAC
Downloadable Papers
EDMULT Code (Summary)
EMID (Database)
Kimura, Kiichi
Nuclear Science Books
Nuclear Science Information
Radiat Center Osaka Pref
Radiation Physics News
Radiation Physics News Archive
Retirement Talk
RIAST Tech Reps
Science-Art Interactions
Selected Papers
Slides of Talks
Tatsu's Citations on Google
Essays, etc.
Book Reviews
Essays on Feynman
Femto-Essays (Archive)
Femto-Essays (Blog Site)
Quoteworthy Science
Surely I'm Joking! (Archive)
Surely I'm Joking! (Blog Site)
Ted's Coffeehouse 2 (Blog Site)
Toyotomi Ieyasu (Translation)
Vicky: A Novella
Photos & Pictures
Photos of Austria
Photos of Italy
Photos of Switzerland
Sketches in Austria
Sketches in Italy
Watercolor Paintings
Crawler 1
Interesting Sites, Useful Sites
Physics News: Academic
Physics News: Popular
Sites of Physical Sciences
Sites Linking to IDEA
Tatsu Cited or Thanked
Pages in Japanese
IDEA Home in Japanese
Essays, etc.
Diaries of Youth
Essay on Feynman 1
Essay on Feynman 2
Fostering Culture
Japanese Book Reviews
On Left-Handers in a Mirror
Review of Vicky
Slow Man's Passage
The Star Shining in the Summer Sky (A Novel)
Ted's Coffeehouse 2 (Blog Site)
To Rip's Amphitheater (A Novlla)
Books Authored by Tatsu
Books Donated to the OPU
Crawler 2
Reizen Association
Sites Introducing IDEA-ISAAC
Welcome to IDEA & ISAAC.
You are visitor since Dec 2, 1999.
Director and Scientist Tatsuo (Tatsu) Tabata
IDEA's Recommended-Book Store [Amazon Associates Program]
Links to Physics News and Articles
Physics News and Articles: Academic
RSS of “Physical Review Focus” etc.
Physics News: Popular
RSS of Scientific etc.
EMID: Electron-Material Interaction Database
B y calculations on the client-side computer, EMID provides the users with plots and numerical data of depth-dose curves, number-transmission curves and much more for plane-parallel electron beams of energies mainly from 0.1 to 20 MeV in various materials. (A joint product of IDEA and the Radiation Dynamics Group at Kharkov National University, Ukraine.)
Read a summary in IRPS Bulletin
Go to EMID
Electron Depth-Dose Code EDMULT
EDMULT version 6.4, developed at IDEA in collaboration with Shanghai and Indiana Universities, is available from Radiation Shielding Information Computational Center (RSICC), Oak Ridge National Laboratory. Version 6.4 evaluates depth-dose distributions produced by plane-parallel electron beams normally incident on one- to six-layer slab absorbers. The algorithm of the code is based on an analytic expression of the depth-dose curve in semi-infinite medium and a simple model of electron penetration through a multilayer absorber.
EDMULT 6.4 Package Details
Abstract of the code package
Order the package at RSICC
(Also available from NEA Data Bank)
IDEA & ISAAC: Surely I'm Joking!
Tatsu's blogs on personal life and
funny stories.
Visit "Surely I'm Joking!" site
IDEA & ISAAC: Femto-Essays
Tatsu's blog on science, arts, peace, etc.
Visit "Femto-Essays" site
Comment by Chiara Maieron, Italy: I find the Web to be similar to a big chaotic town, with everybody yelling and being in a hurry, running after too many things. Within this chaos, I think your pages are like a quiet, well groomed garden, or a peaceful tea- or coffee-house, where one can enter, enjoy the quiet, and share, or in my case mostly learn, something.
Tatsuo Tabata
“Passage through Spacetime: Random Writings of a Physicist”
cover Free PDF edition
is available at
Naoki Toyota et al.
“Low-Dimensional Molecular Metals”
cover Highly recommended
to scientists and
advanced students
See details
Order at /
N. J. Carron
“An Introduction to the Passage of Energetic Particles through Matter”
cover Indispensable for
scientists and
working with
ionizing radiation
See details or buy at /
New and Updated Pages
Activities of IDEA-ISAAC
9 Oct 13
Downloadable Papers and Reports
"Abstracts of selected papers of Tatsuo Tabata and His coworkers Vol. 2: 1981-1998," 24 Feb 03
Inofrmation on Science-Art Interactions
4 Dec 09
Nuclear Science Information
11 Dec 09
Radiation Physics News
"Hans Svensson (1935-2011)," 26 Jan 12
Sites of Physical Sciences
8 Jun 05

Praise to This Web Site
Felicia Weiner, USA: This is truly one of the most absorbing websites ever created. The range of topics is phenomenal, from the inner realms of physics to the outer spaces of Switzerland; which is more breathtaking is impossible to gauge.
Book Reviews
Leonard Mlodinow, "Feynman's Rainbow," 14 Jun 04
We See Feynman Everywhere: Essays
Feynman and "The End of Science," 5 Jul 02
Photos & Pictures
Photos of Austria, 7 Jul 04
Sketches in Austria, 5 Jul 04
Watercolor Paintings, 20 Sep 04
Interesting Sites, Useful Sites
22 Jan 05
Tatsu Cited or Thanked
7 Dec 08
Sites Linking to IDEA
24 Nov 02
5 Mar 14
What Little I Can Talk About Feynman
We See Feynman Everywhere

Tatsu's essays on the Nobel-Prize winning physicist, Richard Feynman
Read for fun!
See Contents including other essays on Feynman
Friends of Tuva
Links to the Sites of Tatsu's Friends
Photography of heavenly bbodies
Where the Ocean and the Land Meet
A middle-aged interpretive guide struggling in a Japanese geopark...
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