This is a great document on how the tiles were made: https://ntrs.nasa.gov/search.jsp?R=19810003644 We included fragments of a flown Shuttle tile in our Fourth Edition collection. The material is crazy difficult to work…
This is a great document on how the tiles were made: https://ntrs.nasa.gov/search.jsp?R=19810003644 We included fragments of a flown Shuttle tile in our Fourth Edition collection. The material is crazy difficult to work…