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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
Raju, P. K.; Sankar, Chetan S.; Cook, John A. – Journal of STEM Education: Innovations and Research, 2004
The need to impart technological literacy to youth is vital for a state such as Alabama, since it has historically received relatively low levels of Federal research and development funding (EPSCOR). Thirty five counties in the state of Alabama have less than 10% of the general population with college degrees. As our society becomes more and more…
Descriptors: Physics, Teaching Methods, Instructional Innovation, Instructional Materials
