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4500 BCE
Wheel
The first wheels were used by potters in ancient Mesopotamia and latter the Greeks finally used them for chariots. The wheel has changed our world greatly, by helping with transportation,agriculture and building. -
300 BCE
Compass
The first compass's where used by the Han dynasty and made of lodestone. Later they were used by the Song dynasty for navigation. The compass has helped with a lot of things like discovering America. -
850
Gun powder
Gun powder was first invented when Chinese alchemist where trying to make life lengthening potions. Gun powder has helped us through the ages by winning wars,exploding land to make things and many more. -
1132
Fire arms
The earliest account of a fire arm was mid-10th century,when the Song used them to attack the Jurchen. This fire arm was called a fire-lance and it would shoot out flaming shrapnel. The fire arm has helped us do a lot of things like win wars and hunt -
1232
Rockets
Rockets were first used by the Chinese in the 11th century. Rockets have helped our world by winning wars and even sending people to space. -
Steam engine
The first steam pump was made in the 17th century by Thomas Savery. Steam engines have helped by giving us a faster way of moving. -
Automobile
The first automobile was powered by steam and was built by Nicolas-Joseph-Cugnot. The automobile has helped us a lot like faster transportation. -
Light bulb
The first light bulb was invented by Humphry Davy. He used electricity to power the bulb and when it became electric a piece of carbon illuminated. Light bulbs have helped because it gives us light in the dark. -
Penicillin
Penicillin was discovered by Dr. Alexander Fleming and it was one of the worlds first antibiotics. It was a turning point for the world being able to cure diseases that were not curable and it still saves lives today. -
Mobile Phone
The first handheld mobile phone was invented by John F.Mitchell and Martin cooper of Motorola. Mobile phones have changed our world greatly by having people from around the world communicate.