- How Central Air Works
Central air conditioning helps keeps home and buildings cool on hot, muggy days. Learn more about how it works with this helpful guide to central air.
- How Scuba Works
SCUBA divers breathe either compressed air or Nitrox. They obtain this air from cylinders that are strapped to their backs. Each cylinder is fitted with a pressure regulator.
- How Digital Cameras Work
Unlike traditional cameras, in which images are transferred onto photographic film, digital cameras focus the image on an array of very small components called charge-coupled devices, or CCDs.
- How Security Systems Work
Home security systems can be hardwired or wireless. If a home already has wiring from a former alarm system, a hardwired system is easy to add. Otherwise, a wireless security system may be preferable.
Manufacturing Robot (Photograph)
An orange manufacturing robot works quickly and efficiently at a manufacturing plant. While the machine requires regular maintenance, it does not require lunch breaks or vacation, and never calls in sick.
Vessel-mounted Sink (Photograph)
Vessel-mounted sinks sit above the line of the bathroom counter and provide a unique look. This white vessel mounted sink has a silver finish and cross handles for a sleek style that works well in both modern and traditional bathrooms.
Drawer Pulls (Photograph)
Silver drawer pulls provide a classic look that works well in the kitchen or the bathroom. These three silver drawer pulls include a silver cup pull, a silver pull with a porcelain accent, and a simple silver drawer pull that fits with various styles.
- Coffee Baristas and Espresso
A barista works in a coffee shop and is specially trained to prepare and serve espresso style coffee drinks. Learn more about espresso drinks and the role of baristas.
- Floor Cleaning Tips
Different types of floors require different cleaning methods. Be sure you know what type of floors you have before you clean them, because what works on one surface can ruin another.
- Air Conditioner (Photograph)
A vector image of an air conditioning unit shows how air conditioning works, using red and blue arrows. The red arrows indicating warm air being brought into the unit, while the blue arrows indicated cooled air being released from the unit.
- Life Insurance
Life insurance is important, but many people do not understand how it works. Here you will find a simple explanation of term life and whole life insurance policies, as well as the pros and cons of both.
- Electric Bass Guitar (Digital Image)
Close-up details of the bottom portion of vintage bass guitar from the 1960s show its beautiful wood grain, shining chrome, and intricate design.
- Feet Pedaling an Elliptical Machine (Digital Video)
A fitness aficionado works the pedals on an elliptical training machine.
- Woman Working in a Home Office (Digital Video)
A young woman with blond hair works on her computer while seated at the desk in her home office.