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The 138 pages that link to Electromagnetic radiation, each with the reason it gives.

• PhotonNarrower topic: The photon is its quantum, across the electromagnetic spectrum.

• Electric fieldRelated: Changing electric fields participate in waves that transport energy.

• Electromagnetic spectrumNarrower topic: The spectrum is the complete range of this radiation, arranged by frequency or wavelength.

• James Clerk MaxwellNarrower topic: Maxwell’s theory established the physical framework for radiation beyond visible light.

• Ionizing radiationNarrower topic: X-rays and gamma rays are electromagnetic forms of ionizing radiation.

• Radiative transferNarrower topic: Radiative transfer describes how this radiation behaves inside matter.

• Speed of lightRelated: Maxwell’s equations predict their vacuum propagation speed from electric and magnetic constants.

• Beer–Lambert lawNarrower topic: The law describes how matter attenuates this radiation as it passes through a sample.

• ElectromagnetismBroader topic: Coupled changing fields travel through space as electromagnetic radiation.

• Gravitational waveCompared with: Unlike light, gravitational waves interact extremely weakly with matter and pass through most intervening material.

• Radiation pressureNarrower topic: Radiation pressure is the mechanical effect of momentum carried by these waves.

• Thermal radiationNarrower topic: Thermal radiation is the temperature-driven form of this broader phenomenon.

• Visible spectrumNarrower topic: Visible light is one narrow band within this broader spectrum.

• Rayleigh scatteringNarrower topic: Rayleigh scattering describes how matter redirects this broad class of radiation.

• PulsarNarrower topic: Pulsar beams are observed across multiple parts of the electromagnetic spectrum.

• TelescopeNarrower topic: It is the signal telescopes collect, whether visible light, radio waves, or other wavelengths.

• PolarizationNarrower topic: Light is an electromagnetic wave whose transverse electric field defines its polarization.

• Kirchhoff's circuit lawsCompared with: Radiating circuits cannot always be modeled as instantaneous lumped networks.

• Weather radarNarrower topic: Radio waves are the part of the electromagnetic spectrum used for radar sensing.

• ScatteringRelated: Light and other electromagnetic waves scatter from particles, surfaces, and fluctuations in matter.

• AcousticsCompared with: Unlike sound, electromagnetic radiation can travel through a vacuum.

• Electromagnetic fieldRelated: Accelerating charges can radiate energy through the field.

• Hendrik LorentzRelated: Lorentz’s theories connected radiation, moving charges, and the measurable effects of magnetism.

• Molecular spectroscopyNarrower topic: Its frequency and interaction with molecules determine which transitions spectroscopy can probe.

• OpticsNarrower topic: Optics studies visible light as one part of this broader spectrum.

• Mie scatteringNarrower topic: Mie scattering describes how such waves interact with particles.

• Total internal reflectionNarrower topic: For light, boundary reflection follows electromagnetic field conditions at the interface.

• Cherenkov radiationNarrower topic: Cherenkov light is a distinctive form of electromagnetic radiation.

• Optical activityNarrower topic: Optical activity changes the polarization of an electromagnetic wave.

• Atomic spectrumNarrower topic: Atomic spectra are observed as wavelength patterns in emitted or absorbed radiation.

• SoundCompared with: Unlike sound, electromagnetic waves can travel through a vacuum.

• Atmospheric windowNarrower topic: Windows describe how the atmosphere transmits this general form of energy.

• Heinrich HertzNarrower topic: These were the waves Hertz generated, reflected, refracted, and detected.

• Radio frequencyNarrower topic: RF is the part of the electromagnetic spectrum whose waves are used for communication.

• Radio propagationNarrower topic: Radio waves are electromagnetic waves, governed by the same basic propagation principles.

• Sound waveCompared with: Unlike sound, electromagnetic waves do not require a material medium.

• Additive colorNarrower topic: Visible light is the physical radiation whose intensities are added.

• AstrophysicsRelated: Nearly all information about distant celestial objects reaches astronomers as radiation.

• Geometrical opticsNarrower topic: Light’s wave description explains phenomena outside the ray model’s scope.

• Radio communicationNarrower topic: Radio waves are the electromagnetic carriers that transmit the modulated signal.

• BremsstrahlungNarrower topic: Bremsstrahlung is one physical process that produces this broader class of radiation.

• PolarimetryNarrower topic: Polarimetry measures a property of this radiation.

• Synthetic aperture radarNarrower topic: SAR transmits and receives radio-frequency electromagnetic waves.

• Radio transmitterNarrower topic: The transmitted signal leaves the antenna as electromagnetic radiation.

• Huygens–Fresnel principleNarrower topic: Light is electromagnetic, while the principle's elementary form abstracts its field to scalar wavelets.

• Radiant fluxNarrower topic: Radiant energy is carried by electromagnetic radiation across the spectrum.

• Radio interferometryNarrower topic: The array combines the phases and amplitudes of this radiation at radio wavelengths.

• Electromagnetic interferenceCompared with: Radiation is a physical form of energy; it becomes interference when it disrupts equipment.

• HertzNarrower topic: Hertz’s experiments showed that electromagnetic radiation has measurable frequencies.

• PleochroismRelated: Light’s electric field interacts differently with different crystal directions.