I was sitting on the back deck enjoying a quiet afternoon when a bunch of bluejays started squawking overhead in the maple and beech and tulip poplar trees. 635 more words
Tags » Science Trivia?
Today is the birthday of Johann Segner, born in 1704, he discovered the reactive force of water and constructed the first water jet, if you have a sprinkler in your yard, that is his invention, he is considered the father of the water turbine. 145 more words