Mad scientist YouTuber Colin Furze created the ultimate in unnecessary awesomeness with this thermite cannon. Not only did Furze design and build the cannon himself, he figured out how to build thermite shells that would make his explosive passion project destroy anything in its path.

If this isn't a compelling reason to drink six bottles of Coke, I don't know what is. Jörg Sprave of The Slingshot Channel has managed to take a relatively simple single arrow launcher and create what can only be described as the Coke bottle gatling arrow gun of my childhood dreams. I don't know ...