New pharmaceuticals, cleaner fuels, biodegradable plastics: in order to meet society's needs, chemists have to develop new synthesis methods to obtain new products that do not exist in their natural ...

Learn how to make a simple electric doorbell at home in this step-by-step tutorial. Using everyday materials like cardboard, ...

Most DIYers shy away from doing electrical work for fear of getting shocked or causing a fire. And that’s certainly understandable; electricity is not to be trifled with. However, there are many ...

This file type includes high-resolution graphics and schematics when applicable. 1. Construction of the triboelectric switch shows the layered implementation, which allows for rubbing and thus ...