-Is there a different category you would add or one that seems weak? Is this a useful way of writing history? Is it helpful? What do you think of the hummingbird effect? Does it seem plausible?

How We Got To Now Six Innovations That Made the Modern World

The book is called “How We Got To Now Six Innovations That Made the Modern World”.
Include: -Is there a different category you would add or one that seems weak?
-Is this a useful way of writing history? Is it helpful?
-What do you think of the hummingbird effect? Does it seem plausible?

For each category(glass, cold, sound, clean, time, light) answer these questions:
-Does it make the world modern?
-What evidence is there to support thesis?
-Convincing argument?

Academic Style is Chicago/Turabian style