Scaled Models

--

--

Get the Medium app

A button that says 'Download on the App Store', and if clicked it will lead you to the iOS App store
A button that says 'Get it on, Google Play', and if clicked it will lead you to the Google Play store
David Smitherman

David Smitherman

Retired from NASA. Architect, space architect and writer on science, technology, travel, and social issues. See the “Reading List” for introductory Greetings.