1. The cotton gin - It impacted society in terms of the reduction of labor that removed seeds.
2. Photography - It allows people to accurately familiarize themselves with far-off landscapes and cultures. Enabled the diffusion of objective information through the visual capture of things as they really are.
3. Electricity - Electricity helped to usher in industrial productivity on scales never before seen. Industries have been created to generate electricity for public use or transmit data through electrical signals .
4. The telephone - Quickness in communication, business, easier communication in wars
5. The locomotive - goods were transported overland easier reduction of labor.