Kendra St. Charles’ life changed in less than a half minute.“I remember hearing the people screaming — preparing to crash,” said St. Charles, whose gripping tale of surviving a plane crash in a March snow and ice storm more than two decades ago was among several stories shared this month at the third TEDxAkron conference held at the University of Akron Student Union Theater.TED stands for Technology, Entertainment and Design, and TEDx conferences are local conferences in which a variety of people give 18-minute talks.TED videos can be found online and in podcasts.About 130 people attended this year’s event.St.