Looking for radio waves with a simple radio wave detector
I created a simple device that can detect radio waves in a classroom. In physics classes I tell students that we live in a sea of radio waves. They come from TV, radio, and cell phone signals as well as other sources. Students don't realize this because those electromagnetic waves are invisible...
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| Veröffentlicht in: | The Physics teacher 2011-11, Vol.49 (8), p.514-515 |
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| 1. Verfasser: | |
| Format: | Artikel |
| Sprache: | eng |
| Online-Zugang: | Volltext |
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