How Clothes Dryers Work

A dryer is actually a very simple device. In this article we'll take apart a clothes dryer and explore how each system works. We'll start by following the air through the machine, then see how the tumbler and fan turn, and finally look at the controls.

How Hair Dryers Work

You may not have given it much thought, but you hair dryer is specially designed to prevent bad things from happening to you and your head. Learn why your hairdryer won’t get too hot to hold, how it avoids burning your scalp and what its many safety features are.

How Home Dry Cleaning Works

Is your wardrobe filled with fabrics like rayon, silk, and wool blends? Tired of those escalating professional dry cleaning bills? The answer may be as close as your clothes dryer. See how home dry cleaning works.

How Organic Clothing Works

What do Bono, hemp producers and the USDA have to do with each other? They're all helping to shape the way we dress-- via organic clothing. So what makes a garment "organic," and why buy it?

How Toilets Work

The toilet. The john. The loo. The commode. The porcelain throne. No matter what you call it, there's no doubt it is a true technological marvel. Find out all about this fascinating water-handling system!

How Washing Machines Work

A washing machine is actually an amazing device once you get inside. Learn about the agitator, the pumps, the controller and much more!

Inside a Bathroom Scale

For many people, their bathroom scale is an indispensable part of watching their weight and keeping healthy. Learn how your weight – no matter how much or how little – is evenly distributed to provide an accurate measure of your weight.

Inside an Electric Razor

A fascinating look inside an electric razor!

Is antibacterial soap any better than regular soap?

Is antibacterial soap any better than regular soap?

What's the most expensive toilet in the world?

We've all heard of a potty break, but have you ever heard of a potty breaking the bank? What's the most expensive toilet in the world made of?

How does a water softener work?

How does a water softener work?

How can an electric toothbrush recharge its batteries when there are no metal contacts between the toothbrush and the base?

I have an electric toothbrush. Somehow, placing the plastic-handled brushing unit into a plastic holder/recharger will recharge the toothbrush unit. If no metal electrical contact is made, how can this recharge the toothbrush?