Sound: Difference between revisions

Sound (edit)

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-{{Rename|Soundwave}}A '''soundwave''' was a type of [[wave]] of compression and rarefaction, by which sound is propagated in an elastic medium such as air.{{fact}}
+{{Rename|Sound wave}}A [[sonic screwdriver]] could project '''sound waves''' to lock or unlock [[Door|doors]]. ([[TV]]: ''[[The Mutants (TV story)|The Mutants]], [[Aliens of London (TV story)|Aliens of London]]'')
-A [[sonic screwdriver]] could project soundwaves to lock or unlock [[Door|doors]]. ([[TV]]: ''[[The Mutants (TV story)|The Mutants]], [[Aliens of London (TV story)|Aliens of London]]'')
 [[Category:Physics from the real world]]