How+We+Got+to+Now

[|How we got to now] - six innovations include: glass, time, clean, light, sound, and cold.


 * [|Time] (video 5:39) - Making the Modern Clock: Understand how Galileo discovered that a pendulum could be used to regulate clocks.


 * [|Clean] - The Quest for Clean Water: Discover how John Leal found the solution to ridding bacteria from dirty water with chlorine at the turn of the 20th century.


 * [|Light] - Invention of the Light Bulb: Though we often credit Thomas Edison with the invention of the light bulb, he and his team built on more than 40 years of research by other inventor...


 * [|Cold] - Keeping Ice Frozen Before Refrigeration: Explore the myth of the "Eureka moment" in innovation as you learn how Frederic Tudor figured out how to move ice long distances in the ...


 * [|Sound] - Noise Control and the Decibel: Stand on the corner of 34th Street and 6th Avenue in New York City with How We Got To Now host Steven Johnson, and explore the history of attempts...


 * [|Glass] - The Invention of the Microscope and Telescope


 * What's the problem?**
 * **Ask** -
 * **Imagine** -
 * **Design, Build** -
 * **Improve** -


 * That's engineering**

>.
 * Engineering ideas**

Challenges for you to work on...
 * Do It**


 * News, updates**


 * Learn more...**

..r1 0a