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How the GMC PAD Works
auto.howstuffworks.com/under-the-hood/trends-innovations/gmc-pad.htm
The GMC PAD is basically a futuristic motor home -- part apartment, part vehicle, and part telecommunications center.
Old Railroads
history.howstuffworks.com/american-history/old-railroads.htm
The age of old railroads saw the birth of the first railroad lines and mass transportation on rail. Read more about old railroads in America.
Where Are the Northern Lights and Southern Lights?
science.howstuffworks.com/nature/climate-weather/atmospheric/10-spots-to-watch-auroras.htm
Auroras themselves aren't rare, but spotting one can be tricky: You need a clear, dark sky within one of the auroral zones. What are 10 spots that up the odds a bit?
10 Surprising Facts About Astronaut Training
science.howstuffworks.com/10-surprising-facts-about-astronaut-training.htm
NASA astronauts have to undergo serious training before becoming approved for a trip to space. But some of that training is certainly not what you'd expect.
How Lewis and Clark Worked
history.howstuffworks.com/historical-figures/lewis-and-clark.htm
Lewis and Clark are famous for exploring the Louisiana Purchase. Learn about the exploration of Lewis and Clark and their Corps of Discovery.
How Kaiser Cars Work
auto.howstuffworks.com/kaiser-cars.htm
The Kaiser company started with its first prototype -- the 1946 K-85. Read about the K-85 and the origins of the Kaiser company.
How Nuclear Submarines Work
science.howstuffworks.com/nuclear-submarine.htm
Nuclear submarines are powered by nuclear reactors and may carry nuclear weapons. Read about nuclear submarines and how they changed the world's oceans forever.
How Vaccines Work
health.howstuffworks.com/wellness/preventive-care/vaccine.htm
A vaccine is, essentially, a cure for an illness or disease. Who came up with the idea for vaccines and do we give too many shots now?
How P.T. Barnum Worked
entertainment.howstuffworks.com/arts/circus-arts/p-t-barnum.htm
Born to be a showman, P.T. Barnum overcame a number of obstacles (including numerous fires, the loss of several fortunes and one dead elephant) in order to make a buck. Who was this man who was so determined to create the greatest show on Earth?
How Blue Screens Work
entertainment.howstuffworks.com/blue-screen.htm
When an actor dangles over an incredibly deep river gorge, blue screen photography is what makes it look real. Find out how the blue screen technique works and why it's so convincing.