Recent Examples of electromagnetic wave from the Web
Objects emit electromagnetic waves across a broad spectrum, some visible to the human eye as light, but all detectable by the telescopes currently in use on Earth or in orbit.
If the transmitters all emit electromagnetic waves in sync, the beam will be sent out straight ahead—that is, perpendicular to the array.
Instead, electromagnetic waves from the nuclear explosion would generate pulses to overwhelm the electric grid and electronic devices in the same way a lightning surge can destroy equipment.
Wireless Basics Wireless-fidelity technology (called Wi-Fi) uses electromagnetic waves (rather than wires) to carry a signal from device to device.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'electromagnetic wave.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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ELECTROMAGNETIC WAVE Defined for Kids
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