How he was able to do this , in light of the law of conservation of mass , has not been explained .
Spencer used this ability to disguise himself as people who appear to have greater mass than he does , as when he impersonates Captain Dynamo .
How Spencer was able to do this , in light of the law of conservation of mass , has not been explained .
Spencer used this ability to disguise himself as people who appear to have greater mass than he does , as when he impersonates Captain Dynamo .