Semiconductors and diodes

This article deals with the correlation of science, technology and society since they are interconnected. Science, technology and society give rise to one another in various ways. Some concepts of physics are used to develop technology, and hence, affect society. A country’s growth, both in the field of technology and in the education about physics, […]

The galvanometer is one of the most important discoveries in science and technology. It was discovered in the 19th century when scientists observed deflection in the direction of a needle in the presence of an electromagnet, indicating the flow of electric current.  Over the years, the galvanometer has been improvised and repurposed to serve many