Tech Directions - December 2007 - (Page 34)

e-gallery W elcome to techdirections’ portfolio of Web sites from career/technical- and technology education-oriented manufacturers and vendors. Check out these Web sites, where you’ll find descriptions and online ordering information on the products and services you need. Make classroom and departmental purchasing easier by referring to these cutting-edge companies—and tell them techdirections sent you! Electricity and Electronics Software Design, Build, Test, and Learn with Gears IDS Computer interaction makes learning electricity and electronics exciting. Use with your current textbooks and curriculum. Programs include activities for DC, AC, digital, diode, transistor, Op Amp, and power supply circuits plus troubleshooting activities using ohmmeters and voltmeters. Activities provide immediate feedback and grading. Random variable values give variety to student learning experiences. Visit ETCAI Products at www.etcai.com for software descriptions and to download free trial software. Call 800-308-0154 to request a free trial CD. GEARS Invention and Design System provides tools to design and produce classroom engineering and robotic competitions. Working as teams, students create multiple design iterations using 3D solid models and then proceed to fabricate them into operational mechanisms using GEARS components. GEARS applies basic math and physics concepts to the development of solutions to challenging problems. Fundamentals of mechanics, electronics, and pneumatics are introduced along the way. Visit www.gearseds.com. Graymark Educational Trainers Creating educational pathways for students in construction and electronic technologies, Graymark International has been around for over 40 years and is continually forging the way for hands-on education. Use our easy-to-navigate Web site at www. graymarkint.com to browse through our online catalog. Whether it’s electronic kits and projects for beginner to advanced students or trainers for classroom lab environments—order either online or by fax (714-544-2323) or phone (800-854-7393). 34 techdirections ◆ DECEMBER 2007 http://www.etcai.com http://www.gearseds.com http://www.graymarkint.com

Table of Contents Feed for the Digital Edition of Tech Directions - December 2007

Tech Directions - December 2007 Technically Speaking Contents Direct from Washington The News Report Technology Today Technology's Past Mastering Computers Is This Op-Amp Any Good? Lab-Built Checker Removes All Doubt Here Comes the Sun! Residential Solar Systems Add Up to Savings Pinhole Cameras—For Science, Art, and Fun! Poster Project Maps Out Design Process Gifts for Geeks E-gallery More than Fun

Tech Directions - December 2007

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