30&nbsp;Days of Doctor Who - Day 14 - Favourite Doctor Who Gadget- Sonic devices!!! - I know I&amp;#8217;m probably cheating by picking all of them, but I figure they&amp;#8217;re almost all based on the same technology (except for the laser screwdriver, but I figure it&amp;#8217;s still generally the same). &nbsp;I love that these strong, amazing people save (or in the case of the Master{and a lot of the time, River}, destroy) worlds using a glorified household tool. With the definition of sonic:
 
son&middot;ic/ˈs&auml;nik/Adjective
1. Relating to or using sound waves.2. Denoting or having a speed equal t