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Horath, Larry; Horath, Elyse – Tech Directions, 2010
Anyone who plays a guitar needs a stand to hold the guitar when he or she is not playing it. A guitar is not an instrument that one can lay down or prop against the wall without risking potentially catastrophic and long-term damage. There are several options in pre-made guitar stands made for single or multiple guitars, but as an alternative that…
Descriptors: Science Activities, Musical Instruments, Material Development, Program Descriptions
Hawkins, 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