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Electromagnetic waves carry electromagnetic energy, also known as electromagnetic radiation, through matter, empty space, momentum and angular momentum. Depending on their frequency and wavelength, electromagnetic waves ... More »

www.reference.com Science Physics Optics & Waves

Some characteristics shared by all electromagnetic waves are that they all travel at the speed of light and their transmission does not need a medium. These wave types can also travel through empty spaces. More »

www.reference.com Science Physics Optics & Waves

Electromagnetic waves form from the vibrations of electric and magnetic fields. Unlike mechanical waves, electromagnetic waves do not need a medium to propagate, allowing them to travel through air, solids and even outer... More »

www.reference.com Science Physics Magnetism
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Light waves, a form of electromagnetic radiation, are energy-carrying waves able to self-propagate through the vacuum of space at 3x10^8 meters per second. While "light" sometimes colloquially refers to the entire electr... More »

www.reference.com Science Physics Optics & Waves

Electromagnetic energy is a form of energy that can be reflected or emitted from objects through electrical or magnetic waves traveling through space. Electromagnetic energy comes in many examples including gamma rays, X... More »

www.reference.com Science Physics Electricity

The spectrum of electromagnetic radiation is comprised of waves or particles that carry different amounts of energy. The visible spectrum is what humans and most animals see. The least energetic range of electromagnetic ... More »

www.reference.com Science Physics Magnetism

Some characteristics shared by all electromagnetic waves are that they all travel at the speed of light and their transmission does not need a medium. These wave types can also travel through empty spaces. More »

www.reference.com Science Physics Optics & Waves