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3500 BCE
Wheel
Historians and archaeologists attribute the invention of the wheel to the ancient Sumerians of Mesopotamia around 3,500 BCE. A wheel is intended to rotate on an axle bearing. In conjunction with axles, wheels allow heavy objects to be moved easily facilitating movement or transportation while supporting a load, or performing labour in machines. -
Period: 3500 BCE to
Important inventions and discoveries throughout History
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2700 BCE
Silk
Silk is a natural protein fibre, some forms of which can be woven into textiles. The protein fibre of silk is composed mainly of fibroin and is produced by certain insect larvae to form cocoons. Legend has it that the process of making silk cloth was discovered b ythe wife of the yellow Emperor, Leizu, around 2696 BCE. The idea for silk first came to Leizu while she was having tea in the imperial gardens. A cocoon fell into her tea and unravelled. -
1100 BCE
The Alphabet
The alphabet is a standard set of letters that is used to write one or more languages based upon the general principle that the letters represent phonemes of the spoken language. This is in contrast to other types of writing systems, such as syllabaries and logographies. -
105
Paper
A thin material, paper is produced by pressing together moist fibres of cellulose pulp derived from wood, rags or grasses, and drying them into flexible sheets. It's a versatile product with many uses, such as writing, wrapping, packaging, printing, cleaning and a number of industrial and construction purposes. It was supposedly first invented by Chinese inventor and politician Cai Lun. -
900
Gunpowder
Gunpowder, also known as black powder to distinguish it from modern smokeless powder, is the earliest known chemical explosive. It consists of a mixture of sulphur, charcoal, and potassium nitrate. Gunpowder has been widely used as a propellant in firearms, artillery, rockets, and fireworks and as a blasting powder in quarrying, mining, and road building. Gunpowder was invented by Taoist alchemists in China during the Tang Dynasty. -
Car
A car is a wheeled motor vehicle used for transportation. Most definitions of car say they run primarily on roads, seat one to eight people, have four tires, and mainly transport people rather than goods. Cars came into global use during the 20th century, and developed economies depend on them. It was in the year 1885 that a car run by gasoline was designed and built by Karl Benz , in Germany. -
Personal Computer
A personal computer is a multi-purpose computer whose size, capabilities, and price make it feasible for individual use. PCs are intended to be operated directly by an end user, rather than by a computer expert or technician. Computer time-sharing models that were typically used with larger, more expensive minicomputer and mainframe systems, to enable them be used by many people at the same time, are not used with PCs. Henry E. Roberts was the creator of the first "personal" computer. -
DVD Player
A DVD player is a device that plays DVD discs produced under both the DVD-Video and DVD-Audio technical standards, two different and incompatible standards. Some DVD players will also play audio CDs. DVD players are connected to a television to watch the DVD content, which could be a movie, a recorded TV show, or other content. -
iPod
The iPod is a line of portable media players and multi-purpose pocket computers designed and marketed by Apple Inc. The first version was released on October 23, 2001, about 8 ¹⁄₂ months after the Macintosh version of iTunes was released. As of July 27, 2017, only the iPod Touch remains in production. Apple's founder, the late Steve Jobs, is also the creator of the iPod.
