4 days ago · Scientists have recently discovered an interaction between an electromagnetic wave and its own magnetic component as it passes through a material, updating a 180-year-old assumption …

Nov 29, 2025 · The electromagnetic spectrum is the complete range of electromagnetic waves arranged according to their wavelengths and frequencies. These waves include radio waves, microwaves, …

Nov 14, 2025 · Everyday modern life is pervaded by electromagnetic phenomena. When a lightbulb is switched on, a current flows through a thin filament in the bulb, and the current heats the filament to …

A part of the near field (close to the transmitter) includes the changing electromagnetic field, but that is not electromagnetic radiation. Maxwell's equations established that some charges and currents …

Dec 3, 2025 · Although electromagnetic induction is the foundation of industry, the Faraday Effect has an equally profound impact on physics. In 1845, Faraday designed an experiment with a light source, …

Nov 14, 2025 · Each region of the electromagnetic spectrum (EMS) is described and illustrated with engaging examples of NASA science. Come and explore the amazing world beyond the visible!

Nov 18, 2025 · Discover how electromagnetic waves shape daily life, from sunlight to X-rays. Read on to learn key concepts, effects, and real-world uses in this physics guide.

Dec 1, 2025 · All electromagnetic waves travel across space at the speed of light, which is about 300 million meters per second (3.0 x 10 8 m/s). Electromagnetic waves vary in wavelength and frequency.

Nov 20, 2025 · Electromagnetic field, a property of space caused by the motion of an electric charge. A stationary charge will produce only an electric field in the surrounding space. If the charge is moving, …

Dec 8, 2023 · EMF (electromagnetic field) exposure is unavoidable. Given our frequent contact with wave-emitting devices in the home, you may wonder whether EMFs are dangerous to your health.