1. Industial Revolution
... first dynamo, or electric generator, was developed in 1831. Its first applications were in communications. In 1837, two Englishmen had sent the first electric signals over a wire. In the 1870s, electricity was used to make the first electric motor, which would quickly replace the steam engine in industry. Electric motors were smaller, cleaner and cheaper than steam engines, and consequently they ... as sewing machines and fans - and also light bulbs, which were invented in 1879 by Thomas Edison.Communications RevolutionAfter the first signal was sent over a wire, it was clear that elect...
- Word Count: 1744
- Approx Pages: 7