Videos 6 Inventions That Are Older Than You Think Scott Admin posted on 2 years ago — updated on 1 second ago 173 views From steam engines, to contact lenses, to biometric security based on someone's voice, there are a lot of inventions out there that are older than you think. invention Scott Follow Author, educator, musician, dancer and all around creative type. Founder of "The Happy Now" website and the online jewelry store "Silver and Sage".
