It's time to reveal which elements this shiny block of metal from my previous video is made of. Link to previous video here: http://youtu.be/0-ex-CAjQhY

You guys sent so many guesses that I learned about alloys I didn't know off myself :) Once again thanks to all that participated! The CuBe-alloy seems to be quite unknown but has a lot of practical uses. Beryllium-copper even has the highest strength of any copper alloy we know off!

Closed captions in English and Danish coming soon...