Science, technology, engineering, and mathematics; collectively acronym as STEM; are rapidly advancing fields in their own rights. As a book series, Current STEM aims to be a friendly forum for both academic researchers and industrial practitioners to present their work as book chapters. Hence, the chapters should be varied, and this is intended. Current STEM is encompassing in terms of the type of work to encourage a generation of researcher-practitioners. In this volume, there are three personal narratives of personal experiences from overseas students.