radio wave

1. Electromagnetic radiation having a wavelength between about .5 centimeters and 30,000 meters; used for the broadcasting of radio and television signals.

   Radiowelle

   радиоволна́radiovolná, радиоизлуче́ниеradioizlučénije

   радіохви́ляradioxvýlja

   an electromagnetic wave with a wavelength between 0.5 cm to 30,000 m

1. Radio waves don't exist because I can't see them.

   ruРадиоволн не существует, потому что я их не вижу. — odexed

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2. Optical radar uses light, unlike normal radar, which uses radio waves.

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3. Astronomers use radio waves to study celestial objects that are too far away to see.

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4. A spacecraft destined to explore a unique asteroid will also test new communication hardware that uses lasers instead of radio waves.

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5. Both radio waves and laser infrared light waves are forms of electromagnetic radiation with wavelengths at different points on the spectrum.

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