What is electromagnetic radiation? | Live Science

Electromagnetic radiation is a kind of power that’s throughout us and takes many types, reminiscent of radio waves, microwaves, X-rays and gamma-rays. Sunlight can be a type of electromagnetic power, however seen gentle is just a small portion of the electromagnetic spectrum, which comprises a broad vary of wavelengths.

When was electromagnetism found?

Electromagnetic waves are shaped when an electrical discipline (proven in purple arrows) {couples} with a magnetic discipline (proven in blue arrows). Magnetic and electrical fields of an electromagnetic wave are perpendicular to one another and to the path of the wave. (Image credit score: NOAA.)

People have identified about electrical energy and magnetism since historical occasions, however the ideas weren’t effectively understood till the nineteenth century, based on a historical past from physicist Gary Bedrosian of the Rensselaer Polytechnic Institute in Troy, New York. In 1873, Scottish physicist James Clerk Maxwell confirmed that the 2 phenomena had been linked and developed a unified idea of electromagnetism, based on Live Science sister web site The examine of electromagnetism offers with how electrically charged particles work together with one another and with magnetic fields.

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