First depiction of a wheel was on a clay pot excavated in Poland. However, it is believed that the wheel was invented sometime in 4000 bc.
Early systems of writing included, Sumerian cuneiform script, Egyptian hieroglyphs, and Cretan hieroglyphs.
Built in Mesopotamia.
Earliest forms were found in India.
Believed to have been of Babylonian origin, the abacus was an instrument used for calculations.
Excavated from Lothal, India.
First description of gunpowder in China.
Egyptian Obelisks are believed to have been the earliest known examples of sundials.
The Romans extensively used aqueducts to transport water in support of cities and agriculture.
Found on The Giglio Shipwreck off the coast of Tuscany.
First known archaeological evidence of a horseshoe found in a tomb in Tuscany.
First described by Greek historian, Diodrus Siculus.
Technology that helped transfer water from lower levels to higher.
Earliest known example is the Perachora Wheel found in Greece.
Pendulum invented in China by Zhang Heng, with the original purpose as a way to detect earthquakes.
During Han Dynasty in China.
First description of an object used as a compass from China
Eyeglasses invented in Italy
Galileo Galilei was the first to invent the thermometer.
Galileo Galilei develops first compound microscope.
Hans Lippershey developed the first refracting telescope in the Netherlands.
Blaise Pascal, France
Evangelista Torricelli develops instrument to measure atmospheric pressure.
Newton's laws of motion, and law of universal gravitation were detailed in the book. Calculus was also invented in the process of developing his work.
First commercial steam engine developed by Thomas Savery in England.
Eli Whitney invents machine to deseed cotton. Revolutionized the cotton industry in the American South.
Samuel Colt invented the "Colt Paterson," the first percussion cap, six-shooter revolver.
Samuel Morse invents and sends first electrical recording telegraph. Revolutionizes electronic communication.
Technically invented in the late 1700s, its popularity by the late 1800s helped personal printing flourish.
Alexander Grahm Bell patents telephone.
Edison invents a practical incandescent lightbulb.
Wright brothers invent the Flyer I. Orville flies it for 59 seconds, travelling 852 feet.
Henry Ford creates a mass-produced automobile, igniting the automobile era.
United States developed and detonated the first atomic bomb at Los Alamos National Lab.
Russians launch the first artificial satellite to orbit the Earth.