Variable Frequency Drives (VFDs) are electronic speed controllers used mainly to modulate and reduce the overall speed and power consumption of an electrical motor. They can be used as soft starters for equipment that has a large rotational mass, thus reducing belt ware and large electrical peaks when starting large pieces of equipment. VFDs have…

The graduate of the Bricklayer apprenticeship training is a journeyperson who will be able to: (1) responsibly do all work tasks expected of a journeyperson; (2) supervise, train and coach apprentices; (3) produce a better quality product than the minimum acceptable by industry standard; (4) use and maintain tools and equipment to the standards of…

Video streaming has recently grown dramatically in popularity over the Internet, Cable TV, and wire-less networks. Because of the resource demanding nature of video streaming applications, maximizing resource utilization in any video streaming system is a key factor to increase the scalability and decrease the cost of the system. Resources to…

Where as video cameras are a reliable and established technology for the measurement of kinematic parameters, accelerometers are increasingly being employed for this type of measurement due to their ease of use, performance, and comparatively low cost. However, the majority of accelerometer-based studies involve a single channel due to the…

Using music technology is a daily reality for music educators. The task may be as simple as readying a CD player for use in an elementary classroom or as complex as setting up a complete sound system--including microphones, mixer, amplifier, and speakers--for a live music production. One piece of music technology music educators constantly…

Electroscopes are sensitive instruments useful for investigations of static electricity. They are devices that are used for detecting whether an object is charged or uncharged. They also determine the type of charge. Their operation is based on the principle of like sign charge repulsion.

Two of the most time-consuming jobs in the library are taking inventory and keeping track of in-house uses of library material. Librarians have long been searching for more efficient solution for these two activities. New technology can be the answer to creating efficiency for libraries. In fact, if one is a SirsiDynix library, there is an easy…

Fitness programs can be greatly enhanced with the addition of fitness balls. They are a fun, challenging, economical, and safe way to incorporate a cardiovascular, strength, and stretching program for all fitness levels in a physical education setting. The use of these balls has become more popular during the last decade, and their benefits and…

Though the term, "probeware" may not be a household word, it has grown more familiar to science educators over the past decade, as a new generation of high-tech instruments for collecting and analyzing data from the physical world have been introduced into school science labs. Today, those tools include digital scientific probes or sensors that…

The history, scope, and evolving definitions of assistive technology reutilization activities, from both grassroots and legislative perspective, are discussed. A national classification system of AT reuse activities and data gathered from several national surveys of AT reutilization programs using this classification approach are presented. The…

This document presents an investigative outline of the tasks that law enforcement personnel should consider at every bombing and explosion scene. The following are among the topics discussed in the guide's seven sections: (1) procuring equipment and tools (safety, general crime scene tools/equipment, scene documentation, evidence collection,…

This student activity book and reference book, which are part of a family and consumer sciences education series focusing on a broad range of employment opportunities, are intended for use in one- and two-year food production, management, and services programs for Texas high school students. The reference book provides information needed by…

This student activity book and reference book, which are part of a family and consumer sciences education series focusing on a broad range of employment opportunities, are intended for use in 1- and 2- programs preparing Texas high school students for employment in occupations related to providing services for older adults. The reference book…

This student activity book and reference book, which are part of a family and consumer sciences education series focusing on a broad range of employment opportunities, are intended for use in 1- and 2-year textile and apparel production, management, and services programs for Texas high school students. The reference book provides information…

This document, which is intended as a guide for work force preparation program providers, details the Illinois occupational skill standards for programs preparing students for employment in occupations in the architectural drafting cluster. The document begins with a brief overview of the Illinois perspective on occupational skill standards and…