In 1856, Henry Bessemer invents steel.

Bessemer Process: Purifying iron ore to make steel

Steel is used to build…

BridgesRailroads

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 Kingwas 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.

-1870’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