Nothing beats relaxing in a cool pool on a hot day. But how long do you have to run the pump to make sure the water is always sparkling clean? Flashpop/Getty Images Key Takeaways Pool pumps do not need to run all the time; running them for about eight total hours a day, especial...
usually an inch. The second number is the ground distance. For example, if your U.S. Geological Survey (USGS) map has a scale of 1:24,000, it means that 1 inch on the map is equal to 24,000 inches (2,000 feet or 610 meters) in the real world. Your map's scale legend will ...
Some researchers theorize that this is because the physical structure of the brain can be an inherited trait. In addition, the process of becoming really good at something both requires and encourages your brain to wire itself to handle that particular task better. Even though scientists are not...
Besides the usual prices to maintain your pool throughout the year, repairs and utilities can sneak up on you. The surface on your pool is what seals it and keeps the water from leaking into the ground. Even though taking good care of the surface can last up to 20 years, you may need...
They use a combination of filtration and chemical treatment to continually clean a large volume of water. An apartment complex pool, mid-construction: It looks like a big hole in the ground, but it's really much more. A typical swimming pool needs seven major components: A basin A ...
Operations can include advising an Afghani tribal chief on how to consolidate his power; carrying out a quick strike on a guerrilla outpost in a Central American jungle; and serving as bodyguards to an Eastern European leader. Their presence, when their mission is carried out successfully, is fe...
A normal in-ground swimming pool in someone's backyard might hold something like 20,000 or 30,000 gallons (that's a lot of water!), and a typical water tower might hold 50 times that amount! Typically, a water tower's tank is sized to hold about a day's worth of water for the ...
An insect caught inside the partially closed trap will continue to thrash about in an attempt to escape. It's guaranteed that at least one (if not all) of the trigger hairs will be tweaked by the insect's movement. Sorry to say you're wasting energy, little insect buddy! This serves ...
When voltage is too high, an MOV can conduct a lot of current to eliminate the extra voltage. As soon as the extra current is diverted into the MOV and to ground, the voltage in the hot line returns to a normal level, so the MOV's resistance shoots up again. In this way, the ...
1: You Can't Teach an Old Dog New Tricks Old dogs -- and older people -- can both learn new things. Polafernandez/iStock/Thinkstock The proverb is often used to mean that older people (or animals) can't learn anything new. But it's not really true, either in the human or ...