what material is captain america's shield made out of
vibranium
title: Captain America's shield text: The shield is created by a fictional American metallurgist named Myron MacLain, who had been commissioned by the US government to create an indestructible armor material to aid the war effort. MacLain experiments with the indestructible vibration-absorbing metal vibranium. During one of his experiments to fuse vibranium with an experimental iron alloy, MacLain falls asleep and awakens to find that the resulting alloy had set in a tank hatch mold. It was then painted to become Captain America's symbol. MacLain would later attempt to recreate the shield's metal to no avail, his experiments instead eventually yielding the super-metal adamantium. Rogers' title: Captain America's shield text: Captain America's shield Captain America's shield is a fictional item appearing in American comic books published by Marvel Comics. It is the primary defensive and offensive piece of equipment used by the Marvel Comics superhero Captain America; he is seldom seen without it. Over the years, Captain America has had the use of several different shields of varying composition and design. His original heater shield first appeared in "Captain America Comics" #1 (March 1941), published by Marvel's 1940s predecessor, Timely Comics. The circular shield best associated with the character debuted in the next issue, "Captain America Comics" #2. Captain America title: Vibranium text: Vibranium Vibranium () is a fictional metal appearing in American comic books published by Marvel Comics. This fictional metal is noted for its uncanny ability to leverage thermodynamics in absorbing, storing, and releasing kinetic energy in a controlled manner. Vibranium is associated with Black Panther, as his suit is made from vibranium and is found in his native homeland of Wakanda. Antarctic Vibranium or Anti-Metal is created by artificial means, in contrast to natural, or Wakandan, vibranium. Vibranium is also commonly known as one of the materials used to construct Captain America's shield. Vibranium first appeared in "Daredevil" #13 (February title: Captain America text: which Captain America's 1950s imitator and Nuke are the most notorious examples. Captain America has used multiple shields throughout his history, the most prevalent of which is a nigh-indestructible disc-shaped shield made from an experimental alloy of steel and the fictional vibranium. The shield was cast by American metallurgist Dr. Myron MacLain, who was contracted by the U.S. government, from orders of President Franklin D. Roosevelt, to create an impenetrable substance to use for tanks during World War II. This alloy was created by accident and never duplicated, although efforts to reverse-engineer it resulted in the discovery of adamantium. Captain title: Captain America's shield text: is stored in a trophy room belonging to the alien "Horde" invaders. Captain America's shield is a recurring image throughout the Marvel Cinematic Universe franchise: Captain America's shield Captain America's shield is a fictional item appearing in American comic books published by Marvel Comics. It is the primary defensive and offensive piece of equipment used by the Marvel Comics superhero Captain America; he is seldom seen without it. Over the years, Captain America has had the use of several different shields of varying composition and design. His original heater shield first appeared in "Captain America Comics" #1 (March 1941), published