Summary:
- This article explores the concept of "technology trees" - the interconnected progression of innovations that build upon each other over time.
- It highlights how technological advancements in one area can lead to breakthroughs in seemingly unrelated fields, creating a "stack" of progress.
- The article uses examples like the development of the internet, semiconductors, and renewable energy to illustrate how these stacks of progress emerge and drive further scientific and technological development.