On Wed, 10 Feb 2010, Bowie Bailey wrote:
Electronics generating sparks when overloaded? Yes. Generating smoke? Yes. Flames? Yes. A dynamic explosion? No. (Never did figure out why all the electronics consoles in movies seem to contain explosives...)
Self-destruct mechanism, obviously! :) PS. Explosions are not 100% unreal. Ever had a capacitor pop? Even the small ones can make quite a loud bang.... :) - Charles