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How Diesel Engines Work
auto.howstuffworks.com/diesel.htm
Diesel engines are often more efficient and less expensive to operate than their gasoline alternatives. So why aren't there more diesels on the roads? Well, they have their own issues, too.
The History and Symbolism of the U.S. Presidential Seal
people.howstuffworks.com/culture-traditions/national-traditions/presidential-seal.htm
Do you know the history and significance of the presidential seal? HowStuffWorks takes a look.
How Electromagnetic Pulse Attacks Work
science.howstuffworks.com/e-bomb.htm
Learn how EMPs work and how these weapons could tear apart modern technology.
Posse Comitatus: The 140-Year-Old Law That Affects U.S. Troops at the Border
people.howstuffworks.com/posse-comitatus-140-year-old-law-that-factors-into-us-troops-at-border.htm
Posse comitatus is an idea and a U.S. law that leaves law enforcement to local authorities, not the feds. Learn more at HowStuffWorks.
5 Worst Nuclear Disasters in the World
history.howstuffworks.com/historical-events/worst-nuclear-disasters-in-world.htm
Nuclear power plant accidents are rare, but when they happen, there can be lasting effects from the radiation. Here are history's most horrific accidents.
10 Old Wives' Tales About Your Health
health.howstuffworks.com/mental-health/human-nature/health-myths/5-old-wives-tales-health.htm
If someone told you sugar makes kids hyper and cats are after your baby's air supply, you've heard some old wives' tales. Is there any truth in them?
How Automobile Ignition Systems Work
auto.howstuffworks.com/ignition-system.htm
The ignition system brings your car's engine and subsystems together. Learn about the parts of your ignition system and innovations in ignition systems.
How Soccer Works
entertainment.howstuffworks.com/soccer.htm
Soccer, or football, is the most popular sport in the world. Learn about soccer, soccer leagues, soccer rules and great soccer players.
How Engine Brakes Work
auto.howstuffworks.com/auto-parts/brakes/brake-types/engine-brakes.htm
Engine brakes are controversial because of their noise-levels. Check out HowStuffWorks for a great explanation on how engine brakes work.
Can You Identify These Military Weapons From WWII?
play.howstuffworks.com/quiz/can-you-identify-these-military-weapons-from-wwii
Get technical with the arms for this military quiz. We show you images of World War II weaponry that you get to ID. Celebrate your knowledge of lethal contraptions produced during the war that bested all other wars before it. Your Second World War ordnance knowledge is needed now!