Please note. There are several related websites for this project. The primary site is: 81018 – This site is for on-going research and development.
• Big Board-little universe, a STEM program for secondary schools (2015-2016) is on hold:
• The first site where pages were first posted (2011-2015) was

Duplication of pages and overlapping links. Numerous web pages were developed prior to 2016. All pages related to this simple base-2 model should have been consolidated within this primary site.

The list of some top-level pages (homepages) of this website:
This list is also generated by placing your cursor over “HOME” in the top navigation bar.)

Navigation: The boldface entries will keep you within If you find yourself on an unusual URL and want to return to the originating page, please use your “back arrow” button. Thank you.

To view the most recent pages:

Go to the top of this page scroll over the HOME tab in the top navigation bar. At least a year of homepages is dated and summarized.


Partial List of Those Who Have Been Contacted:

Introductions to the website: Quiet Expansion is for more personal reflections.