SciShow
3 Chemistry Experiments That Changed the World (2012x180)
: 27, 2012
Chemistry is the study of matter - stuff, and how it interacts with other stuff. Even though chemistry doesn't make a lot of news these days, chemists are making discoveries that change lives all the time. If Hank had to narrow down all of chemistry's flashes of brilliance into the most awesome experiments in history, he would narrow it down to these three.