VIDEO : Why Only Thor Can Use Mjlnoir

Marvel Comics finally explained why Thor is the only one worthy of lifting Thor?s hammer, Mjolnir.

?The science of Thor?s magic hammer...Uru metal was forged in fiery pits by dwarven blacksmiths... [It] cannot be lifted by anyone except if they be as worthy as Thor, and always returns to his hand."

"...There can be only one explanation: ?Uru metal? must actually be an exotic form of matter that can be induced to emit gravitons...