The first sailing ships were used on the Nile River
About this time, the production of iron became widespread as that metal supplanted bronze. Iron was much more abundant than copper and tin, the two metals that make up bronze, and thus put metal tools into more hands than ever before.
The first tools
Sharp flakes of stone used as knives and larger unshaped stones used as hammers and anvils have been uncovered at Lake Turkana in Kenya.
When humanity first used fire is still not definitively known, but, like the first tools, it was probably invented by an ancestor of Homo sapiens.
The internal-combustion engine improved, becoming smaller and more efficient. Karl Benz used a one-cylinder engine to power the first modern automobile, a three-wheeled car that he drove around a track.
Guglielmo Marconi had been experimenting with radio since 1894 and was sending transmissions over longer and longer distances. In 1901 his reported transmission of the Morse code letter S across the Atlantic from Cornwall to Newfoundland excited the world.
On December 17 Orville Wright made the first airplane flight, of 120 feet, near Kitty Hawk, North Carolina.
Vinton Cerf and Robert Kahn produced the TCP/IP (Transmission Control Protocol/Internet Protocol), which describes how data can be broken down into smaller pieces called packets and how these packets can be transmitted to the right destination
The first computers that emerged after World War II were gigantic, but, with advances in technology, especially in putting many transistors on a semiconductor chip, computers became both smaller and more powerful.
The team behind the AlphaGo artificial intelligence program announced that it had become the world’s best go player.