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There are three primary ways in which things can reach or affect your safe space. One or all of these may be affecting you:
-* Electric fields and high-frequency electromagnetic radiation, including light and microwaves
+* Electric fields and high-frequency electromagnetic radiation, common forms include light and microwaves
-* Magnetic fields and low-frequency electromagnetic radiation, including AC power
+* Magnetic fields and low-frequency electromagnetic radiation, a common form is AC power
-* Sound and physical vibrations (may be inaudible)
+* Physical vibrations, common forms are sound, ultrasound, projectiles, earthquakes
To learn more, pursue classes in physics, electronics engineering, and electromagnetic compatibility.