Save guides, add subjects and pick up where you left off with your BBC account. Radio waves are used for sending radio and television signals. They are also used to control radio-controlled toys ...

These types of waves are called longitudinal waves. In the diagram above the rope moves up and down but the energy is transferred along the rope from left to right, at 90° to the oscillation.

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This book is the first of its kind devoted to the key role played by light and electromagnetic radiation in the universe. Readers are introduced to philosophical hypotheses such as the economy, ...

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Department of Cell Toxicology, Helmholtz Centre for Environmental Research, UZ, 04318 Leipzig, Germany Eberhard Karls University Tübingen, Environmental Toxicology, Department of Geosciences, 72076 ...

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