6 Chemical Reactions That Changed History A few chemical reactions have altered the trajectory of our history. Facebook Prev Article Next Article Discover Checkout these cool gadgets... Related Posts What Does Quantum Mechanics Really Mean? (an embarassment to science) How Much Damage Can An Earthquake Do? Earth Has an Expiration Date Three Gears are Possible Slowing Down A Stock Exchange With 38 Miles Of Cable How Long Is One Second, Really?