Innovation
There were all types of technologies that they created and used. Most of their technologies that they created were the Light house, Cross bow, watermill, and more.
Thermometer - The ancient Greeks created an ancient thermometer based on one of their recent discoveries about how air expands or contracts based on temperature.
Cranes - The ancient Greeks created the crane. The crane is still an important tool today and although modern day cranes are sturdier and can lift more weight, they still use the same concept that ancient Greeks came up with.