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Direct linkHawkins, Harry – Tech Directions, 2004
This article describes how to construct a laser level. This laser level can be made using a typical 4' (or shorter) bubble level and a small laser point. The laser unit is detachable, so the bubble level can also be used in the conventional way. However, the laser level works better than a simple bubble level. Making this inexpensive device is an…
Descriptors: Lasers, Physics, Material Development, Design Requirements
Download full textCollict, George – 1992
In 1990, the New Jersey Department of Education awarded the Randolph Township Board of Education a grant to evaluate the effectiveness of an existing technology learning activity called the "Magic Box", as part of the Teacher Developed Technology Education for the Nineties grant project. This document is comprised of three publications:…
Descriptors: Cooperative Learning, Curriculum Development, Curriculum Evaluation, Design Requirements
