The Machines That Built America

At the end of the 19th century, private travel means taking a walk or riding a horse. But scrappy upstarts William Harley and Arthur Davidson have a bold vision for a new form of transportation--connecting a motor to a bicycle. They'll take on George Hendee's Indian Motorcycle in a classic David Vs. Goliath battle, fighting to dominate a market valued at more than 7 billion dollars today, the rivals will push their machines to the limit and tap into the lure of the open road.

In the 1870s communicating with distant family requires sending a letter, and waiting days or weeks for a reply. The telegraph is faster, but too expensive for most people. When communication giant Western Union offers a colossal cash prize to anyone who can improve its network, two daring inventors go head-to-head in a fight that will forever change the way humans connect. Alexander Graham Bell and Elisha Gray will stop at nothing to lay claim to the new technology and dominate the market.

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Two rival inventors have the same idea for improving things: wireless communication.

With America plugging in to electric power, a flood of innovation is not only changing industry, it's revolutionizing the home; the new technology makes housework easier and gives women opportunities to work outside the home.