Australians love their smartphones: 88 per cent of us own at least one, and a whole generation has never known life without them. But with pervasive smartphone use and associated radio waves they need ...

Spectrum is everything when it comes to choosing or designing wireless equipment. Knowledge of the electromagnetic (EM) spectrum is essential for all engineers working with wireless equipment and ...

A ripple tank can be used to investigate the frequency close frequencyThe number of waves produced each second. The unit of frequency is hertz (Hz)., wavelength close wavelengthThe length of a single ...

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The Sun emits electromagnetic radiation across a broad spectrum, including visible, infrared, microwave, radio, ultraviolet, X-ray, and gamma-ray wavelengths. Visible light, comprising wavelengths ...

Modern electronics have been reaping the benefits of cheap, compact semiconductor lasers for years now. From the revolutions in CD and DVD optical data storage, through seemingly simple devices like ...