Entitled as THE BORDER OF UNIVERSE in this special Volume 3(4) (2020), Science Nature has limited the number of published paper to be ONLY 1 original paper solely contributed by the integrated laboratory (i-LAB) of Editor-in-Chief, Prof. Elim. Such particular circumstance was due to the severe COVID-19 in the whole earth. Therefore, Science Nature team decided to reduce the heavy burden of world scientists by providing their best unconditionally. Finally, the most newly important research work of refractive index border in superhybrid material was inserted to this issue.