1. The fact is it doesn't matter what you use it for - the music , Science Kids © | Home | About | Topics | Experiments | Games | Facts | Quizzes | Projects | Lessons | Images | Videos | Privacy | Sitemap | Updated: Apr 11, 2020. The official IEEE anniversary date is May 13, 2009. In 1852 Elisha Otis invented the safety elevator, which automatically comes to a halt if the hoisting rope breaks. Trivia question and answers are a great way to have some fun-filled time at home, school, and even during office breaks. Test how much you know about structures, dams, bridges, famous landmarks and more. google_ad_client = "pub-4643150179421087"; Trivia questions, in spite of the tag of triviality, can be fascinating, particularly the ones which give out bizarre and uncanny facts. /* sci quizzes 728 */ //-->,