zmescience1

Click link below picture

.

Science has progressed amazingly in recent years, but a handful of spectacular inventions have remained lost to knowledge. Whether it’s the Greek Fire, Roman Nanotechnology or a wonder-material desired by NASA, we’ve lost some great things along the way – these are just some of them.

.

Greek Fire

Image via Wikipedia

.

.

Click link below for article:

http://www.zmescience.com/research/inventions/amazing-inventions-lost-14022017/

.

__________________________________________