Did you ever want to upgrade your bread-boarded circuits to something more permanent? Or maybe you’ve got a hankering to make your own metal Jelwery? Today Sylvia will show you how you can do both with super simple copper etching. More info: http://wp.me/p1CIX9-tbq
During the aftermath which followed the shock of Sputnik, America sought answers and explanations. Various targets for blame included lack of science and math education, inter-service military rivalries, and postwar American complacency as a self-regarded world leader in technology, politics and emerging cultures. Our consumer culture and materialism were also to blame. American obsession with…