Which invention do you believe had the greatest impact on the world today?

5 sentences

I believe Microwave popcorn has made a big impact on the world today. Instead of renting and or buying the big machine, you can just buy them in separate bags. If you have planes to watch a movie with friends or family, Microwave popcorn makes a great snack!

So this is one I believe is underrated, It might not have the biggest impact but listen

"The Straw that filters water." The LifeStraw filters out virtually all microbiological contaminants to make water safe to drink. The invention was designed to help people in developing countries who don't have access to safe water and in emergency scenarios following natural disasters when water is contaminated.

radioactive dating, also known as  radioisotope dating  is a process that in  estimating the approximate  age  of  rocks. these data can be analyzed from  the studies dealing with the  decay of the radioactive elements that are present in these rocks. in nature, there are a few types of materials or atoms which are quite unstable and they spontaneously decay or breakdown to form other kinds of atoms.