Slow Glass in this book is a fictional material that has the ability to record and display images over a very long period of time, effectively making it a permanent record. This is achieved by the material's incredibly slow reaction to light, so that images are captured and displayed as they change over time.
The slow glass in "The Diamond Age" is used for various purposes, including:
* Recording historical events: The slow glass is used to capture and display historical moments, offering a unique perspective on the past.
* Educational purposes: The slow glass is used in education to demonstrate the passage of time and the effects of change.
* Artistic expression: Artists use slow glass to create unique and evolving artwork.
"The Diamond Age" is a complex and fascinating novel that explores themes of technology, education, and social change, and the slow glass is a key element in the story.