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What Do the Numbers on Those Tiny Produce Stickers Tell Us?
money.howstuffworks.com/numbers-produce-stickers.htm
When you buy most fruits and vegetables in a supermarket, you might see that they're individually tagged with a sticker and a bar code. There's a lot of information in that four-digit code!
Is Borax Harmful or Helpful?
science.howstuffworks.com/borax-harmful-or-helpful.htm
Borax, a popular addition to laundry detergents and slime recipes, is a natural ingredient that has been getting flack for possibly being harmful to children. But is this true?
Tonnes vs. Tons: Metric vs. Imperial Measurements Strike Again
science.howstuffworks.com/tonnes-vs-tons.htm
If you’ve ever priced out cargo or read about a ship carrying coal, grain or bricks, you’ve seen tonnes vs. tons. These two words look similar yet refer to different systems and units. In international trade and technical writing, that small spelling shift changes real-world numbers.
How Tire Pressure Gauges Work
auto.howstuffworks.com/pressure-gauge.htm
If you have a car, chances are you also have a tire-pressure gauge. Learn how this pen-sized device measures air pressure and why the little stick inside doesn't just fly right out the back!
How Thermoses (Vacuum Flasks) Work
home.howstuffworks.com/thermos.htm
How can the same device keep hot things hot and cold things cold? Find out what goes on inside a Thermos!
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.
How Underground Pet Fences Work
science.howstuffworks.com/innovation/everyday-innovations/pet-fence.htm
Want to keep your dog out of the neighbor's yard but feeling guilty pulling out a leash? You might consider an underground or wireless pet fence. Learn how these fascinating systems work and why this specialized fencing industry is booming.
How LCDs Work
electronics.howstuffworks.com/lcd.htm
Learn about LCD technology, get LCD buying tips, read LCD reviews and compare prices and features on popular LCD models.
How are shark pups born?
animals.howstuffworks.com/fish/sharks/shark-pup.htm
Shark pups can be born three different ways: live birth, hatching from an egg and a combination of both. Read more about shark pups and their birth.
How the Terracotta Army Works
science.howstuffworks.com/environmental/earth/archaeology/terracotta-army.htm
The Terracotta Army was commissioned under Emperor Qin as protection for the afterlife. Learn why the Terracotta Army isn't as unique as it is massive.