In the Exploration of electric Aircraft Concepts and Technologies (EXACT) project, several hybrid-electric propulsion system concepts and possible aircraft configurations will be investigated and ...

THE quality of education provided by private schools to the middle class is not up to the mark. The conceptual study is decreasing with each passing day. The teachers are not focusing on the concept ...

In this case study I traced the process of conceptual change in a young boy, my grandson, from the middle of kindergarten until the beginning of second grade. Data included field notes of informal ...