From: YouTube on Sun, Apr 08 2007 7:18 PM

No matter how far you are from your nearest neighbor, if you live in the United States or Europe, UPS can deliver to your address. UPS can deliver to 80 percent of the planet within 48 hours, so if you live somewhere else, it's still pretty likely that UPS can find you to drop off or pick up...

From: YouTube on Sun, Apr 08 2007 7:07 PM

Learn how elevators, submarines and airplanes work in this action packed animation from the folks at HowStuffWorks!

From: YouTube on Sun, Apr 08 2007 6:50 PM

In 2005, UPS delivered 3.75 billion packages and letters. That’s more than one package for every two people in the entire world.

From: YouTube on Sun, Apr 08 2007 6:33 PM

A car engine uses a four-stroke cycle — how can two strokes accomplish the same tasks? Learn all about the two-stroke engine, where it’s used and how it compares to a four-stroke.

From: YouTube on Sun, Apr 08 2007 6:29 PM

If you’ve ever tasted a Krispy Kreme original glazed doughnut, you know there's something special to these melt-in-your-mouth treats. How do they make a doughnut that is so crispy on the outside and yet so soft and light on the inside? Check out a day in the life of a Krispy Kreme.

From: YouTube on Sun, Apr 08 2007 6:13 PM

You probably know that any car with a manual transmission has a clutch. Learn how the clutch in your car works, and find out about some surprising places where clutches can also be found.

From: YouTube on Sun, Apr 08 2007 6:10 PM

How Turbochargers Work Credits: , HowStuffWorks

From: YouTube on Sun, Apr 08 2007 5:59 PM

Have you ever wondered how magazines are printed? Check out this HowStuffWorks video and find out! Credits: , HowStuffWorks

From: YouTube on Sun, Apr 08 2007 5:49 PM

A fire extinguisher is an absolute necessity in any home or office. While there's a good chance that the extinguisher will sit on the wall for years, collecting dust, it could end up saving your property and even your life. Find out how these essential devices kill flames in this HowStuffWor...

From: YouTube on Sun, Apr 08 2007 5:36 PM

This video answers one of our reader Question of the Day: "How do Fog Machines Work?" Credits: , HowStuffWorks

From: YouTube on Sun, Apr 08 2007 5:31 PM

A teleprompter is a simple text display that attaches to a video camera. Learn how they work.

From: YouTube on Sun, Apr 08 2007 5:28 PM

The advent of electronic mail not only revived the lost art of letter writing, but also revolutionized the way businesses communicate both within the office and with the consumer. In this video HowStuffWorks teaches you all about the system that routes billions of messages each day and keeps you ...

From: YouTube on Sun, Apr 08 2007 5:19 PM

How Cell Phone Recycling Works Credits: , HowStuffWorks

From: YouTube on Sun, Apr 08 2007 5:15 PM

Air conditioning has fundamentally changed how people experience the world. When it’s hot outside, walking into an air-conditioned house is like walking into another season. Few pieces of technology have had such a striking effect on people's daily lives. Find out how air conditioners keep ...

From: YouTube on Sun, Apr 08 2007 5:04 PM

Grenades are a devastatingly effective weapon on the battlefield. In the trench warfare of World War I, soldiers could use grenades to take out machine gunners without ever revealing themselves to the enemy. Find out what happens when a soldier pulls the pin and tosses one of these bombs at the ...

From: YouTube on Sun, Apr 08 2007 4:59 PM

Amazing live performance of 'Free Bird' by Lynyrd Skynyrd

From: YouTube on Sun, Apr 08 2007 4:56 PM

The C-130 Hercules airlifter is a four-engine cargo aircraft used by military forces in more than 60 countries. HowStuffWorks visited Lockheed Martin in Marietta, Georgia to find out how the C-130 is built. Check out our video describing the process.

From: YouTube on Sun, Apr 08 2007 4:55 PM

Computer viruses range from pesky to outright dangerous. Some just display a message, while others erase your entire hard disk. Clicking on what looks like a harmless e-mail message can lead to hours of recovery efforts, if not irreparable damage. In this HowStuffWorks video you will learn about...

From: YouTube on Sun, Apr 08 2007 4:54 PM

Have you always wondered what is on the inside of your computer? This video takes a look at the inside of a computer and examines the seven major parts. Credits: , HowStuffWorks