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How Holograms Work
science.howstuffworks.com/hologram.htm
If you want to see a hologram, you don't have to look much farther than your wallet. But the most impressive holograms are large scale and illuminated with lasers or displayed in a darkened room with carefully directed lighting. Learn how a hologram, light and your brain work together make clear, 3-D images.
How Fuel Injector Systems Work
auto.howstuffworks.com/fuel-injection.htm
As concerns about vehicle emissions and fuel efficiency have grown, fuel injectors have risen to the forefront of auto technology. Trying to keep up with new environmental laws, carmakers began installing these systems in all new models.
Why Aren't Seat Belts Required on All School Buses?
auto.howstuffworks.com/car-driving-safety/safety-regulatory-devices/seatbelts-on-school-buses.htm
Most school buses in the U.S. don't have seat belts, leaving the children inside vulnerable to injury in a crash. HowStuffWorks wants to know why.
Why Do Some People Get Called for Jury Duty More Than Others?
people.howstuffworks.com/jury-duty-summons.htm
Have you been called for jury duty four times while your friend never has? Find out if some people get summoned for jury duty more than others.
How Airports Work
science.howstuffworks.com/transport/flight/modern/airport.htm
Did you know that airports were once known as "flying fields" because planes took off and landed in large fields? Journey through the hidden world of airports in this article, but without the stress, nail-biting and packages of peanuts.
How Prohibition Worked
history.howstuffworks.com/historical-events/prohibition.htm
Prohibition was a constitutional amendment banning the sale and production of alcohol in the U.S. HowStuffWorks looks at prohibition and why it failed.
Does Checking In Mean You Check Your Privacy at the Door?
people.howstuffworks.com/much-privacy-can-expect-as-hotel-motel-guest.htm
Privacy issues are becoming a hot topic in the hotel/motel industry. HowStuffWorks examines privacy issues.
Entropy: The Invisible Force That Brings Disorder to the Universe
science.howstuffworks.com/entropy.htm
Entropy is the disorder of a system, but that means a lot more than making a mess of a room.
How Campaign Finance Works
money.howstuffworks.com/campaign-finance.htm
Campaign finance is big business and may cost you a presidency. Learn about campaign finance history, contributions, spending and reform strategies.
How Casinos Work
entertainment.howstuffworks.com/casino.htm
Casinos bring in billions of dollars in revenue each year. Learn about casinos and find out how security keeps casinos safe and fair.