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3500 BCE
The wheel
Look around, and you will see wheels everywhere, in everyday machinery. The wheel has even been imbued with symbolic meanings, as a metaphor for the never ending cycle of life. -
3200 BCE
Writting
In the history of how systems of representation of language through graphic means have evolved in different human civilizations, more complete writing systems were preceded by proto-writing, systems of ideographic and/or early mnemonic symbols. Writing is important because it improves communication skills, creative thinking and creativity which is fundamental for technology advance. -
2700 BCE
Abacus
The period 2700–2300 BC saw the first appearance of the Sumerian abacus, a table of successive columns which delimited the successive orders of magnitude of their sexagesimal number system. Abaci evolved into electro-mechanical calculators, pocket slide-rules, electronic calculators and now abstract representations of calculators or simulations on smartphones. -
600 BCE
The discovery of static electricity
Thales of Miletus discovers static electricity. Thales discovered that if he rubbed amber (ilektron) with a piece of fur, that amber could attract lightweight objects (like feathers) to itself. Thales had discovered the principle of static electricity. -
27 BCE
Pozzolana.
Romans develop the first, basic concrete called pozzolana. Concrete is very important because our daily basics are based on it, the buildings you live in are made of it. -
105
The first paper
Ts'ai Lun makes the first paper in China. Without the invention of paper, tons and tons of ideas and discoveries would have been lost. This is because paper allows us to record our thoughts and ideas with ease. It lead to the printing press, newspapers, books, magazines, toilet paper, and many other things which play a part in our lives. -
Dec 24, 1450
Modern printing press
Johannes Gutenberg pioneers the modern printing press, using rearrangeable metal letters called movable type. The printing press was so important because it made the mass production of printed materials possible, and lead to much wider dissemination of knowledge and literacy throughout the socioeconomic classes. -
Dec 24, 1500
The first compound microscope
A Dutch spectacle maker named Zacharias Janssen makes the first compound microscope even though this science wasn't exact it led to our actual microscope. That was improved byAntoni van Leeuwenhoek and Robert Hooke. Microscopes are important because they allow scientists to study microorganisms, cells, crystalline structures and molecular structures. -
The barometer
Galileo's pupil Evangelista Torricelli builds the first mercury barometer for measuring air pressure. this amazing invetion helps us to measure air pressure and predict changes in the weather. -
The first steam engine
Thomas Newcomen builds the first practical (but stationary) steam engine. The invention of the steam engine created many changes and additions to the technology of the time, including steam powered locomotives.