This is a logo from an Australian Radio company. While I appreciate the concept of a single color radio wave, I am not a fan of this logo. The "radio wave" really looks nothing like a sound wave, and the pixelated execution, to me, communicates that their sound isn't clear or broadcast well.
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Waves and the Electromagnetic Spectrum: Physical Science Interactive Notebook •The Nature of Waves •Features of Waves •Behavior of Waves •Electromagnetic Spectrum •Communicating with Radio Waves Students will be given the opportunity to show their understanding of the included concepts by completing the engaging and creative activities for the OUTPUT side of their Science Interactive Notebook. Activities range in variety for each chapter.
An unknown radio signal, which may have come from a black hole, colliding neutron stars (or – for those who ‘believe’ – alien life), has been picked up by astronomers live for the first time ever. Its origins remain mysterious.