Changes

*[[Reflection|Reflected]] - [[Radiowave]]s can bounce off an [[interface]] between two [[medium|media]].

*[[Refraction|Refracted]] - [[Radiowave]]s can change direction when they cross the [[interface]] between two [[medium|media]].

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

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