It's one of the most famous advanced artifacts in popular culture. It's past and even it's discovery is shrouded in mystery. Found sometime in the early 1900s a battery like device appeared in a museum in Iraq. It has been replicated and tested to actually function as a battery but, as we will see this week on DragonKing Dark, what it is and why it exists is still clouded in mystery. Today host Karl Stern from WhenItWasCool.com takes on the Baghdad battery.