Magnet Academy: Arc Lamp 1876

Invented decades before it could be used, the first type of electric light was so brilliant it was used for lighthouses and street lamps.

Compared to incandescent lamps, fluorescent lamps last longer, require less energy and produce less heat, advantages resulting from the different way in which they generate light.

The Scottish instrument maker and inventor James Watt had a tremendous impact on the shape of modern society. His improvements to the steam engine were a significant factor in the Industrial Revolution, and when the Watt engine was...

Acoustics, variable resistance and allegations of foul play contribute to the exciting story of the invention of the telephone.