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What's the difference between RFID and NFC?
electronics.howstuffworks.com/difference-between-rfid-and-nfc.htm
RFID, NFC ... If these wireless technology acronyms are confusing, have no fear. Learn the difference between RFID and NFC at HowStuffWorks.
The Ultimate MRI Quiz
play.howstuffworks.com/quiz/mri-quiz
An MRI machine is more than just a big, claustrophobia-inducing tube. How much do you know about what's going on inside -- or what's going on inside your body while you're in there?
How NFL Review Rules Work
entertainment.howstuffworks.com/nfl-review-rules.htm
NFL review rules are somewhat confusing. Visit HowStuffWorks to learn all about NFL review rules.
Baseball Hall of Fame: Can You Match the Player to the Team?
play.howstuffworks.com/quiz/baseball-hall-fame-can-you-match-the-player-the-team
According to the Baseball Hall of Fame, inductees wear caps "based on where that player makes his most indelible mark." But these caps don't always match the team the player spent the most years playing for. Do you know what cap each of these players wears?
I heard someone mention a 'third team' in a football game. What is that? Who are these guys and what do they do?
entertainment.howstuffworks.com/football-third-team.htm
I heard someone mention a 'third team' in a football game. What is that? Who are these guys and what do they do?
The History of First Aid in the Army
health.howstuffworks.com/medicine/army-medicine/history-of-first-aid-in-the-army.htm
The history of first aid in the Army is full of amazing moments. Visit Discovery Fit & Health to learn all about the history of first aid in the Army.
How Wireless Power Works
electronics.howstuffworks.com/everyday-tech/wireless-power.htm
Unless you are particularly organized and good with tie wrap, you probably have a few dusty power cord tangles around your home. Find out how methods of wireless power transmission could cut the clutter or lead to clean sources of electricity.
Can You Identify These 40 Occupations From an Image in 7 Minutes?
play.howstuffworks.com/quiz/can-you-identify-these-40-occupations-from-an-image-in-7-minutes
Do you remember what you wanted to be when you grew up? See how many of these careers you can name from just a clue. But hurry! You're racing against the clock in this "seven minutes or less" quiz of your occupation smarts.
Can You Identify These MLB Teams From an Image of Their Ballpark?
play.howstuffworks.com/quiz/can-you-identify-these-mlb-teams-from-an-image-of-their-ballpark
One of the great things about baseball is every ballpark has its own quirks and unique dimensions. Are you a big enough baseball fan to identify all 30 parks from a photo? Start this quiz to find out!
Can wearing magnets really repel sharks?
animals.howstuffworks.com/fish/sharks/shark-magnet.htm
You may be able to repel sharks simply by wearing some magnets. But what's so abhorrent about a magnet to a shark? Find out why magnets repel sharks.