We seldom talk about 3D printing lenses because most techniques can’t possibly produce transparent parts of optical quality.

Disposable cameras are a fun way to get into classical photography. However, they can also be a valuable source of interesting parts that can be put to other uses. For example, as [Billt] ...

Abstract: To optimize usage of water in agriculture crops, this research work has proposed an automatic irrigation system. The temperature and moisture sensors are used in the roots of the plants ...