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How LAN Switches Work
computer.howstuffworks.com/lan-switch.htm
We wouldn't get very far without LAN switches -- bedlam would break loose at each network junction. Learn how LAN switches work.
Post-war Railroads
history.howstuffworks.com/american-history/post-war-railroads.htm
Post-war railroads chronicles the height of American railroad transportation. Learn about railroads and post-war railroads.
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 LSD Works
science.howstuffworks.com/lsd.htm
LSD, also sometimes known as acid or Electric Kool-Aid, was the drug of choice for hippies. What made LSD so popular and what are acid trips like?
How Childbirth Works
health.howstuffworks.com/pregnancy-and-parenting/pregnancy/labor-delivery/childbirth.htm
Childbirth is a miracle, but a messy one. Giving birth to a baby takes blood, sweat and tears. Learn about the process of childbirth from start to finish.
How Cells Work
science.howstuffworks.com/life/cellular-microscopic/cell.htm
The human body is composed of about 10 trillion cells. Everything from reproduction to infections to repairing a broken bone happens down at the cellular level. Find out all about cells.
How the Census Works
people.howstuffworks.com/census.htm
The U.S. census is a huge project bent on counting every U.S. resident. Find out about the changes for the 2020 census with HowStuffWorks.
How Your Immune System Works
health.howstuffworks.com/human-body/systems/immune/immune-system.htm
Inside your body there is a mechanism designed to defend you from millions of bacteria, microbes, viruses, toxins and parasites that want to invade your body. Find out how the human immune system works.
How Passports Work
people.howstuffworks.com/passport.htm
A passport identifies a traveler as a citizen or national with a right to protection while abroad. Read more about using and applying for a passport.
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?