"It is a traditional midterm protest vote and it's found its lightning conductor through UKIP, " Travers said.

NPR: Cameron's Conservatives Suffer In UK Local Votes

An externalized conductor occurs when the cable, or conductor, from inside the lead wears through the outer silicone insulation around the lead and appears outside the insulation body.

FORBES: St Jude Withdraws Older LV CRT Leads From Market

Rock is a poor conductor of heat, so this wayward energy travels through it very slowly.

ECONOMIST: The hole story of global warming