The period between the mid-1700s and mid-1800s was one of great technological and social change.
Faraday noted that the electromotive force is generated when an electrical conductor encircles a varying magnetic flux. This would later become known as Faraday's Law.
This process enabled the production of a photograph on glass, he also experimented with some color reproduction. It is also believed that he coined the term photography. Grove sketched his design later, in 1842, once again, for the same journal. Both of these used similar materials to days phosphoric acid fuel cells.Dynamite is yet another invention
His father, Immanuel Nobel, spent many years trying to find a safer, more effective alternative to black powder but was unsuccessful.This potent explosive quickly gained wide-scale use worldwide as a far more powerful alternative to black powder. Today, dynamite is mainly used in mining, quarrying, construction, and demolition activities.
It consisted of a double-pointed needle with an eye at the end. A little later, in the 1790s, an English inventor, Thomas Saint, developed the world's first practical sewing machine, but failed to market his invention with any success.
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