"Surfactant" stands for "surface active agent." It's a substance that when dissolved in water helps to remove dirt and oil from many different solids. Surfactant molecules have a hydrophilic ...

Combination locks have been keeping our bicycles, briefcases, gym locker and cash boxes safe for nearly 900 years. First documented by Muslim engineer Al-Jazari in his work, The Book of Knowledge of ...

Advent laptops are manufactured by DSG International, which owns the names to other name-brand computers such as Acer and Hewlett-Packard. The Advent laptop keyboard has integrated mouse touchpad ...

A fuse protects electrical appliances and equipment by breaking the electrical circuit in the event of an overload of current or a short circuit. There are a number of different types of fuses ...

Many species among the passion flower (Passiflora spp.) and clematis (Clematis spp.) genera are planted in home gardens. Without their distinctive flowers they appear similar, but passion flowers are ...

The 1JJ Swiss Tarot Cards contain 78 cards, consisting of the Major Arcana (22 cards) and Minor Arcana (56 cards). Tarot cards are similar to regular playing cards, with the addition of an extra court ...

RSO files are an audio format used by Lego's Mindstorms NXT system. The program lets users design custom built robots using the popular Lego building blocks. By converting MP3s and other audio files ...

Once upon a time, many homes had a mangle to wring and squeeze the excess water out of clothes. With the advent of washing machines and dryers, mangles fell out of use. They are now coming back into ...

Sending a text to an Irish number is not quite as simple as sending a text to a number within the United States. Because of the different phone number systems and the fact that the number is in a ...

Radians and degrees are two different units that your calculator will use to measure angles. The formula to compare the two units is 100 degrees = pi radians. When you enter the information about an ...

Naturist camps provide for people who adhere to the cultural movement of naturism--the advocacy of private and public nudity. Naturist camps for children give young adolescents the opportunity to ...

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