Abstract: Ultraviolet (UV) radiation harms humans and has a chronic effect on the skin and eyes. This article presents a metal-free, highly transparent zinc oxide-based UV sensor. To avoid the ...

Drawing a kestrel bird becomes approachable when the process is broken into clear, structured steps that focus on form and observation. This tutorial guides you through creating a kestrel from the ...

Abstract: This paper presents the design, fabrication, and testing of a novel magnetically actuated biaxial robot with compact structure and easy operation. For the first time, the untethered robot ...

Drawing Christmas bells is a simple, cheerful activity that doesn’t need fancy supplies or drawing skills. With just a pencil and a few colours, children can create festive bells that look cute, funny ...

RIKEN researchers have discovered how right-handed molecules in our cells can give rise to cells that are not symmetrical about their central axes. This discovery is a key step toward determining why ...