Light and waves in general have many practical applications. They are used in solar panels to produce electricity, in solar furnaces to produce heat or in image amplifiers to make…
Radioastronomy
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The SKA, Square Kilometer Array
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In a few years, radio astronomers will also have access to a new generation radio telescope, the Square Kilometer Array (Square Kilometer Square or SKA) being built in Australia and…
Radioastronomy
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It has been known since the discovery of Heinrich Hertz in 1887 that radio waves are of the same nature as light waves. In particular they propagate in a vacuum…
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