The chart below shows the normal range of a resting heart rate (pulse rate after resting 10 minutes) in beats per minute, according to age.
This version of Thor's hammer was made by master swordsmith Tony Swatton. He's a Picasso when it comes to recreating movie props like Wolverine's claws, swords from Game of Thrones and weapons of the Teenage Mutant Ninja Turtles.
Thor's hammer, Mjolnir is made of the fictional metal Uru. Uru's main property is that it is a metal that holds magical enchantments well. The ore is unique to the realm of Asgard. Another version of Thor's hammer is actually made of few devices and different materials, as presented in stargate SG1.