More How Do They Do That?

More How Do They Do That?

for $ 8.99 , or download a preview

8.99 More How Do They Do That?

Have you ever wondered:

- How do they know how much an aircraft carrier weighs?

- How do they get music onto a CD?

- How does an electric eel generate electricity?

- How do they know how long a second is?

- How do penguins stay warm in Antarctica?

- How do they teach guide dogs to cross at a green light?

The answers to these and many other everyday wonders are explained.

Here, in simple and easy-to-understand terms, are solutions to the riddles of everyday life. How exactly… (more)

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Book Details  

Publisher: HarperCollins e-books (October 19, 2010)

Format: EPUB

Page count: 256 pages

File size: 4.2 MB

Protection: DRM

Language: English

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