EM has various meanings in the Environment category. Discover the full forms, definitions, and usage contexts of EM in Environment.
Relating to a magnetic field created by an electric current.
EnvironmentAn electron microscope is a microscope that uses accelerated electrons as a source of illumination. Because the wavelength of an electron can be up to 100,000 times shorter than that of visible light photons, the electron microscope has a higher resolving power than a light microscope and can reveal the structure of smaller objects.
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