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en.wikipedia.org/wiki/Radio_wave

Radio waves travel at the speed of light. When passing through an object, they are slowed according to that ...

www.qrg.northwestern.edu/projects/vss/docs/communications/2-why-does-it-take-so-long.html

Actually, radio waves travel very quickly through space. Radio waves are a kind of electromagnetic radiation, and thus they move at the speed of light.

www.animations.physics.unsw.edu.au/jw/light/speed-of-radio-waves.htm

Speed of Radio Waves. Standing waves of UHF radio are used to measure the speed of radio waves, which we then compare with the measured speed of light.

www.physicsforums.com/threads/radio-waves-travel-at-speed-of-light.151920

hi all.... Something doesn't quite add up here: A radio wave is an electromagentic wave, right. It therefore travels at the speed of light, right.

www.universetoday.com/33752/device-makes-radio-waves-travel-faster-than-light

Jun 30, 2009 ... Einstein predicted that particles and information can't travel faster than the speed of light, but phenomena like radio waves are a different story, ...

physics.stackexchange.com/questions/68728/do-radio-waves-go-faster-than-the-speed-of-light

Jun 21, 2013 ... No. Radio waves ARE light, and so they travel at the speed of light. Possible exception: The speed of light c that is always talked about as the ...

www.dailymail.co.uk/sciencetech/article-3163533/We-ve-got-Taylor-Swift-rest-UNIVERSE-listening-Map-reveals-long-takes-radio-waves-travel-space-distant-stars-just-tuning-40s-jazz.html

Jul 16, 2015 ... Called Lightyear.fm, it is based on the premise that the radio waves travel at the speed of light, so if you were one light year away from Earth ...

www.quora.com/What-is-the-speed-of-radio-waves

Radio waves are made of photons. Photons are also infrared, visible light, ultraviolet, X-rays, gamma rays, etc. Photons move, in vacuum, at the speed of light ...

www.howitworksdaily.com/why-do-radio-waves-travel-at-the-speed-of-light-and-not-sound

Jul 6, 2013 ... Radio waves are a form of electromagnetic radiation – the same phenomenon as light, X-rays and various other types of radiation, but with ...