Abstract: Carbon nanotubes (CNTs) cold cathode has excellent electron emission characteristics and showed its importance in vacuum electronic device applications. Facing various demand on electron ...

Abstract: Tensegrity structures are becoming widely used in robotics, such as continuously bending soft manipulators and mobile robots to explore unknown and uneven environments dynamically.

Want to learn how to draw emoji faces easily and make them look clean, cute, and expressive? This step by step drawing tutorial breaks down the emoji design into simple shapes, making it perfect for ...