Artwork: How ion exchange works: Magnesium and calcium ions (orange and red) flow into the water filter crystals (gray), which initially contain sodium ions (yellow). The magnesium and calcium ions become trapped and the sodium ions are released in their place. How do they work? Ion exchang...
This is how it works when it is doing the job it is designed to do. The unfiltered water enters from the left and is routed by the control valve into the filter tank. The water then filters slowly through the medium until it reaches the bottom of the tank where it is collected ...
Are Water Filters Necessary? Are Water Filters Worth It? Choose a Health-Friendly Water Bottle How to Recycle Water Filter Cartridges How Bottled Water Works How Water Works Sources American Water Works Associationhttp://www.awwa.org/ "Are Water Filters Necessary?" Hot Science News, May 4, 201...
A watershed can be thousands of square miles, or it can be a few acres draining into a pond [source:Environmental Protection Agency]. There are millions of watersheds in the world - 2,100 small ones in the United States alone [source:NatureServe]. However, a watershed is more than ...
The hair follicle is a tubelike pocket of the epidermis, (see How Skin Works) that encloses a small section of the dermis at its base. Human hair is formed by rapid divisions of cells at the base of the follicle. As the cells are pushed upward from the follicle's base, they harden...
Your refrigerator water filter works hard to keep your drinking water clean and tasting fresh. In order to keep it that way, it needs to be routinely changed—we recommend once about every six months. It’s easy to locate your filter and replace it with a fresh one. Keep reading to lear...
How Water Works Water, it turns out, is an extremely complicated substance. Go down to the beach one day and really look at the water, and you can quickly understand how complicated it is. Watch a wave curl up onto the beach. You will see, among other things: The swells, well away...
You even see a form of radar technology at stores when the doors open automatically, thanks to radar sensors. Obviously, radar is an extremely useful technology. Understanding how radar works involves a look at what radar can help us do. ...
How the Earth Works How Global Warming Works How Water Towers Work How the World Health Organization Works How much water is there on Earth? More Great Links American Water Works Association FDA Consumer magazine: Bottled Water: Better Than the Tap? International Bottled Water Association National ...
After finding uranium and lead in my water, I spoke to experts to find out everything I needed to know about how to properly test and filter tap water at home.