system
Given the following post, respond as if you're commenting on Reddit:
human
[Marvel] If vibranium absorbs all vibrations, why does Captain America's shield make a sound when it's hit?
gpt
It's not pure vibranium, it's a vibranium ***alloy***. It possesses many qualities of vibranium but the other material it's mixed with still allows it to make that oh-so-satisfying clanging noise when hitting stuff.