In 1856, Henry Bessemer invents steel. Bessemer Process: Purifying iron ore to make steel
Steel is used to build… Bridges Railroads Tools
Chemists created hundreds of new products, from medications as aspirin to perfumes and soaps.
In 1866, a chemist named Alfred Nobel invents dynamite. He earned a huge fortune and willed it to fund the Nobel Peace prize people earn today.
Dr. Martin Luther King was recognized by winning the Nobel Peace Prize in 1964.
Electricity -c.1800 Alessandro Volta developed the first battery -c. 1800’s Michael Faraday invents the first electric generator and electric motor ’s Thomas Edison invents the first electric light bulb.
New Methods of Production -Interchangeable parts: identical components that can be used in place of one another in manufacturing -Assembly line: production method that breaks down a complex job into a series of smaller tasks