Science Lesson #75 (Mistake Essay): Gus Grissom

Essay Revision: https://essaybank.home.blog/2020/12/22/wernher-von-braun/ What interested you about him (Grissom)? What adventure would you like to go on? What problems do you anticipate? How can you solve them? I looked up the first person to travel into space from my home state, Indiana, and it turned out he was Gus Grissom. He was pilot of the …

History Lesson #65

Jackhammer Pin-Tumbler Lock Safety Pin Gyroscopes Jackhammer The jackhammer was originally steam powered, but this could not be used in mining, as the steam engine needed to power it could not operate under ground. So the inventor’s, Jonathan Couch’s, assistant, Joseph Fowle, invented a variation of the jackhammer that ran by compressed air. It works by …