Welcome to the Technology Interface, the on-line journal for the Engineering Technology profession serving education and industry. We are pleased to provide many excellent peer-reviewed articles for this issue. The authors have done an excellent job with their topic selection and their coverage of the material. Once again, we want to thank the reviewers for participating in the peer review process and for their exceptional work reviewing manuscripts submitted to the Technology Interface. Their critique has been outstanding and the feedback provided back to the authors has resulted in papers of exceptional quality.

The papers appearing in the Technology Interface are provided in both Adobe pdf and html format. The Adobe pdf format provides high quality production of the manuscript while the html format provides maximum visibility with Internet search engines.

The Technology Interface has been developed to provide professionals in the Engineering Technology profession and related fields, the opportunity to share ideas concerning teaching, teaching improvements, projects, industrial activities, research and much more via the internet. Your continued support of this project is greatly appreciated.

The Technology Interface is currently seeking papers and TechTips for the Fall 2007 edition. The deadline for submitting papers or TechTips for inclusion in the Fall 2007 edition is September 28, 2007.

Submissions should be sent to, Jeff Beasley, Editor

And finally, thank you to our associate editors, Michael Morrell and Farrokh Attarzadeh for their hard work and contributions to this journal. Their efforts are truly appreciated.

and thank you for supporting the Technology Interface .

Jeff Beasley, Editor
Michael Morrell, Associate Editor
Farrokh Attarzadeh, Associate Editor for student papers.

Manufacturing
Introducing Cooperative Learning into a Fundamental Mechanical Engineering Course		Wangping Sun (Ph.D)
SERVICE LEARNING: A Comparative Study on the Compression Strength Properties of 3D-Printed Rapid Prototyped Components Utilizing Various Manufacturing Build Parameters		Donald W. Harby, Grant R. Townsend, Troy E. Ollison, Jeffrey M. Ulmer
Optimization of Parameters for Effective Laser Welding of Aerospace Components		Adil Widaatalla, Devdas Shetty, Tom Eppes and Saleh Keshawarz
Mechanical
Beam Deflection Using Spreadsheet Tools for Successive Integration		Shannon K. Sweeney
Using Robotics in the Engineering Technology Classroom		Harry W. Fox
Education
Student Outcome Assessment: A Comprehensive Collaborative Assessment Process between Industry and the Department of Industrial Technology at the University of Nebraska at Kearney		Stanley L. Lightner, EdD and Richard A. Meznarich, PhD
Promoting Energy Awareness through Student Projects in Renewable Energy		Heather L. Cooper, P.E., David W. Goodman, and Brian K. Bozell
Incorporating Knowledge Management Concepts into Engineering Education		Jerry D. Parish, Ph.D., CSIT and Zita Tiamuh
Electronics
Programming the 8254 PIT: A Tech-Tip Example and Boilerplate		Thomas W. Jenkins
RADIO FREQUENCY IDENTIFICATION (RFID) EXPERIMENTAL WORK IN ENGINEERING TECHNOLOGY PROGRAMS		Albert Lozano-Nieto, PhD
A Simple Method for Evaluating Audible Signals for Acoustic Measurements		Dale H. Litwhiler and Terrance D. Lovell, II
S-Parameters for Three and Four Two-Port Networks		Sarhan M. Musa, Matthew N.O. Sadiku, and Cajetan M. Akujuobi
A Spiral Approach to Teaching Jitter Analysis in the Undergraduate Curriculum		Gene L. Harding
Adaptive Elevator Dispatcher (Using an 8-bit AVR Microcontroller)		Greg Cloutier and Saeid Moslehpour
Digital Waveform Generator using EEPROM ROM Student Paper		Saeid Moslehpour, Edward Filteau, Dave Fairbanks, Sergio Nieto
Computer Engineering Technology
Information Systems Security in a Computer Engineering Technology Program		Gary D. Steffen
Applied Research Project
Quantifying Potential System Level Energy Savings: An Applied Research Oriented Approach Using a Residential Air-conditioner		Athula Kulatunga, Ph.D., CEM
Fuzzy Logic based Automated Transient Identification for Plant Monitoring		Xiaojing Yuan
Applied Research on Product Development between the Engineering Technology Program and Industry Applications		Steve Hsiung and Ward Belliston
Book Reviews
Book Review- Computer and Communication Networks, by Nader F. Mir Published by Prentice Hall in Nov. 2006		Sarhan M. Musa
TechTips
How to set up a Web Counter using Python		Prof. Michael Morrell

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