Assertion: radio wave | /r/HasProperty | no medium
Facets:
Source sentences:
text: The main difference between radio waves and sound waves is that radio waves are a type of electromagnetic wave that can travel when there is no medium, whereas sound waves are a type of mechanical wave that cannot travel if there is no medium.
text: Radio waves are the kind of electromagnetic waves that can move or travel whenever there is no medium, on the contrary, sound waves are the kind of mechanical wave that cannot move or travel if there is no medium.