UAV based Green Ultra Dense Networks in 5G Communications
Professor Nalin Jayakody Ph. D. (Dublin), IEEE Senior Member
Assoc. Professor of School of Computer Science and Robotics
Head, Infocomm Lab, National Research Tomsk Polytechnic University Tomsk 634050, Russia

Unlocking Space Access for Mankind – Reaction Engines and the Sabre Propulsion System
Rear Adm Simon Henley MBE, RPP, CEng FRAeS
Hon FAPM Immediate-Past President, Royal Aeronautical Society, The United Kingdom

Design and Fabrication of Smart Piezoelectric Devices
Professor SU Adikary
Department of Materials Science and Engineering, Faculty of Engineering, University of Moratuwa, Sri Lanka

Structural Design of Tall Buildings
Eng. Shiromal Fernando
Vice President of the Green Building Council Sri Lanka