15 Old Technologies Scientists Still Can't Explain

Over the years, we have discovered a lot of ancient inventions that we couldn’t seem to figure out. For instance, I bet you didn’t know that ancient people had nanotechnology! They also invented a seismograph hundreds of years before the first modern humans did! They also knew about flying machines and napalm! All of these inventions were truly brilliant, and they continue to befuddle modern experts. In this video, we will take a look at some of the most mind-boggling ancient inventions and artifacts that are still shrouded with mystery to this day. From the Living Stones of Sacsayhuaman to the mysterious Roman Concrete, here are 15 old technologies scientists still can’t explain! For copyright matters, please contact us at: @ ~ Top Generality