Changes

: [[Radiowave]]s can cause alternating currents in [[metal]]s.

: [[Radiowave]]s can pass through many non-metals unaffected.

====Applications====

: [[Radiowave]]s can be used in communication including radio broadcasts and television broadcasts because they can be created by [[Alternating Current|alternating current]] and can cause an [[Alternating Current|alternating current]] in [[metal]]s.

====Dangers====

: There are no dangers of [[radiowave]]s.