https://padlet.com/ng20111/nhuprbazfszr Made with care en-us 2019-03-07 18:27:42 UTC 2019-03-08 16:45:29 UTC hello@padlet.com ng20111 https://padlet.com/ng20111/nhuprbazfszr/wish/339019940 A radar is a mechanical device built usually into a aircraft or battle ship. It was made to track the movements of the opposing enemy or an incoming object.  It could send signal waves out and these waves would come back or project back to the radar if it hit something big. It gave many soldiers advantages considering they could track enemy crafts. ]]> 2019-03-07 18:30:28 UTC https://padlet.com/ng20111/nhuprbazfszr/wish/339019940 ng20111 https://padlet.com/ng20111/nhuprbazfszr/wish/339025301 Penicillin was a drug (medicine) that helped prevent infections toward wounds. It was originally a fungus that was found to kill bacteria. We used the fungus to create this wonder medicine.  As a purpose it help soldiers get home when it seemed all hope was lost. Soldiers had less of a chance of dying of infections or wounds. ]]> 2019-03-07 18:40:00 UTC https://padlet.com/ng20111/nhuprbazfszr/wish/339025301 ng20111 https://padlet.com/ng20111/nhuprbazfszr/wish/339375233 The atomic bomb was pretty much a mass of destruction. It was used to bomb Japan after they bombed Pearl Harbor. It killed many people and could destroy big cities. The atomic bomb was actually invented with the help of a known equation E=mc* ]]> 2019-03-08 16:37:23 UTC https://padlet.com/ng20111/nhuprbazfszr/wish/339375233 ng20111 https://padlet.com/ng20111/nhuprbazfszr/wish/339377196 The enigma was a special machine that could produce out code that could be sent to other with the machine which they could use to decode the letter. We used it to send secret messages to soldiers. It could get word around and was used by spies. ]]> 2019-03-08 16:41:36 UTC https://padlet.com/ng20111/nhuprbazfszr/wish/339377196