In the Continuous Casting process, molten metal is poured through a die of the desired outside profile. If an inner shape is also desired, the material may flow around a mandrel to create that profile. As the material flows through the water-cooled die, sufficient heat is extracted to solidify an outer shell.
In the comic strip, when the heroic Flash Gordon and his friends land on the fictional planet Mongo, they found it was ruled by an evil Emperor, a despot who quickly becomes their enemy. He was not named at first, only being known as the Emperor until several issues later when his name was revealed to be Ming.
Detective Eddie Thawne is a police detective working alongside Detective Joe West. Eobard Thawn is the descendant of Eddie Thawne (Eobard Thawne is Reverse Flash / Harrison Wells and is also the Flashâs mentor and nemesis BTW) so basically, Eobard Thawne is from the future and got stuck during the present due to a lost battle with the Flash.