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 …
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 …
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 …