The 333 topics of the Bronze Age keyword have been processed into nice-looking sorted links, but not posted, because I'm a big tease.
They got the technology from China, as we’ll soon discover :)
Wakanda already had space travel but hid the technology from everyone else. Dey was Kangs!
Technology does not move forward in one smooth, continuous wave. Scientists could manufacture a diamond decades before the technology became cheap(er) and easy. The concept of submarines and diving bells has been around for centuries. The idea only became widely usable in WWI. Iron was known throughout much of the bronze age, but it was rare to find and difficult to work. There have always been technological oddities that were ahead of their time. Betamax comes to mind. I wonder what already exists today that we aren’t recognizing as the next jet engine or penicillin.
AND clovis points, which are European have been found in the US that predate the American indian.
Didn’t the Romans get their sword designs from Spain? And if so, might this be their origin of steel, as well?