Paper art of thank you calligraphy hand lettering Paper art of thank you calligraphy hand lettering, vector art and illustration. Abstract watercolor alcohol ink blue colorful background, liquid smoke ...

The moment of conception of the geometric phase can be pinpointed precisely, but related ideas had been formulated before, in various guises. Not less varied were the ramifications that became clear ...

Physics is the search for and application of rules that can help us understand and predict the world around us. Central to physics are ideas such as energy, mass, particles and waves. Physics attempts ...

Abstract: Multifunctional manipulation of electromagnetic wave propagation has become indispensable in numerous promising applications. However, achieving efficient wave manipulation in complex ...