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A Big History of Everything – H2 (7:21)

Key Ideas

As this video progresses, key ideas will be introduced to invoke discussion.

Key Ideas

Think about the following questions as you watch the video


  1. 01:23 How are “liquid highways” considered to be our first World Wide Web?
  2. 03:00 How do metals brought by meteors; ancient plants; and water help to initiate the Industrial Revolution and thus accelerate human innovation?
  3. 03:45 How do machines capture the power and energy of the Sun?
  4. 05:40 How do our voices connect to the energy released in the Big Bang?
  5. 06:44 How long did it take for human knowledge to double during the age of the steam engine? How long does it take for our knowledge to double now? By 2020?