Is Time Travel Possible?
https://www.thoughtco.com/is-time-travel-possible-2699431
An article exploring the scientific validity of the idea of time travel.
Space Travel
https://www.nasa.gov/topics/technology/space-travel/index.html
The National Air and Space Museum's site on space travel.
Best Sci-Fi Books by Female Authors
https://best-sci-fi-books.com/23-best-science-fiction-books-female-authors/
A repository of other works that came in the wake of L'Engle's.
Madeleine L'Engle
The author's website.
A 5D Space-Time Animated Anaglyph
https://www.youtube.com/watch?v=lEiNsrtuGcc
A video illustrating the concepts Meg and her...
