When it comes to appearances, the universe is a tricky place. Visible light occupies merely a sliver of the electromagnetic (EM) spectrum. To study the cosmos in its entirety, scientists must peer ...
Did you know that the world around us is filled with different types of light waves ? From the warm glow of the sun to audible radio waves and invisible gamma rays, electromagnetic waves (action ...
Ethiopian News Agency on MSN
Ethiopia designates electromagnetic spectrum as key national security pillar
Ethiopia has formally elevated control of the electromagnetic spectrum to the level of an existential national security ...
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