The recent furor over the introduction of body-scanning devices used to scan passengers as they pass through airport security serves to remind us all that the post-911 world is much different than earlier decades in terms of public security. “Pre-911” is a term used to mark a simpler time, in the United States as well as in the rest of the world. The terrorist attacks of September 11, 2001 remain a constant reminder of how lax security and an unaware state mind..
Whether you are using a metal detector to detect weapons, buried gold, or nails in a piece of wood, most metal detectors are designed to work in about the same way. You might use a handheld, ground coil, or walk-through metal detector, depending on the application. For the search to be effective, it is essential to have a basic understanding of how a metal detector operates.
All metal detectors have a search coil or loop, around which there is an invisible field. When a..
Handheld metal detectors have a wide variety of uses. Typically used to detect concealed weapons or other metal objects on a person, the most frequently visible use of handheld metal detectors is by law enforcement, airport security, schools, and other security settings. It is also used for a range of other uses, such as detecting nails in a piece of wood. If you are thinking about purchasing a handheld metal detector, make sure that it has all of the features that you need..
When most people think of metal detectors, they either picture treasure hunters walking through a field, or the line going through airport security. While various styles of metal detectors are certainly popular for both of these activities, there are also dozens of other potential uses for metal detecting devices. Besides security and the hunt for buried treasure, here are a few of the more unusual applications for metal detectors:
Construction crews and woodworkers. Metal..
Schools have long been “weapon free zones,” but they do not often have a way to ensure that this is true. Unfortunately, today's children and young adults have access to guns, knives, and other weapons, which can become a danger to themselves and to other students. There is no good reason or excuse to bring a weapon into the school building. With school violence on the rise, districts face tough decisions on how to stop violent situations before they occur,..