Industry 4.0 requires simple solutions for complex functions. Optical sensors, such as pinhole cameras, can deliver a depth of focus and reasonable resolution, but they suffer from low intensity for ...

Known as tonbo in Japanese, dragonflies are everywhere in Japan at the end of the summer and early autumn. Step into a park, like Tokachi Hills, or stroll through the countryside and you’re likely to ...

a. the compound eyes of a dragonfly. b. Microscopic image of the insect compound eye. c. the profile of the dragonfly compound eye. d. Schematic illustration of the fabrication of 3D artificial ...