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# History
{ Though history is usually written by the winners, this one was written by a loser :) Keep in mind there may appear errors, you can send me an email if you find some. ~drummyfish }
{ Though history is usually written by the winners, this one was written by a loser who liked to sleep during school history lessons, so it's likely I put some bullshit here, send me correcting mails pls. ~drummyfish }
This is a brief summary of history of [technology](technology.md) and [computers](computer.md) (and some other things). For those who don't know history are doomed to repeated it.
{ A curious pattern of history is that the civilization -- or maybe rather the dominating superpowers -- are moving to the west, kind of like: middle East -> Greece -> Rome -> Holy Roman Empire -> England/France/Spain -> America. ~drummyfish }
The [Universe](universe.md) began in singularity and started to exist with [Big Bang](big_bang.md) almost 14 billion years ago. It went through several epochs during which it changed greatly: first there was the epoch of rapid inflation, up to about 10^-32 seconds, during which it expanded extremely rapidly. After this the fundamental forces (strong, weak, electromagnetic and gravitational) started to become separate, the universe was cooling down, it became transparent and then, after 200 million years, first stars started to form. After another 200 million years first galaxies started to form, including our own Milky Way galaxy. Our [Earth](earth.md) formed some 4.5 billion years ago, along with the Moon. It seems [life](life.md) appeared about 3.8 billions years ago; about 600 million years ago multicellular life formed and 66 million years ago the dinosaurs went extinct, giving opportunity to mammals and eventually to us, humans.
The [Universe](universe.md) began in [singularity](singularity.md) and started to exist with [Big Bang](big_bang.md) almost 14 billion years ago. It went through several epochs during which it changed greatly: first there was the epoch of rapid inflation, up to about 10^-32 seconds, during which it expanded extremely rapidly. After this the fundamental forces (strong, weak, electromagnetic and gravitational) started to become separate, the universe was cooling down, it became transparent and then, after 200 million years, first stars started to form. After another 200 million years first galaxies started to form, including our own Milky Way galaxy. Our [Earth](earth.md) formed some 4.5 billion years ago, along with the Moon. It seems [life](life.md) appeared about 3.8 billions years ago; about 600 million years ago multicellular life formed and 66 million years ago the dinosaurs went extinct, giving opportunity to mammals and eventually to us, humans.
The earliest known appearance of technology related to humans may likely be the use of **[stone](rock.md) tools** by hominids in Africa some two and a half million years ago -- this is even before the appearance of modern humans, homo sapiens, that emerged roughly 600000 years ago. Learning to start and control **[fire](fire.md)** was another key invention of the earliest men; this probably happened hundreds of thousands to millions years ago, even before modern humans. Around 8000 BC the **[Agricultural Revolution](agricultural_revolution.md)** happened: this was quite a disaster -- as humans domesticated animals and plants, they had to abandon the comfortable life of hunters and gatherers and started to suffer the life of a farmer, full of extremely hard [work](work.md) in the fields (this can be seen e.g. from their bones). This led to the establishment of first cities that would later become city states (as the name says -- something between a city and a state, i.e. greatly independent cities with their own laws etc.). Some of the first such cities were Ur and Uruk in Mesopotamia, since around 5000 BC. Primitive **writing** can be traced to about 7000 BC to China. **[Wheel](wheel.md)** was another crucial piece of technology humans invented, it is not known precisely when or where it appeared, but it might have been some time after 5000 BC -- in Ancient Egypt **The Great Pyramid** was built around 2570 BC still without the knowledge of wheel. Around 4000 BC **history starts with first written records**. Humans learned to smelt and use [metals](metal.md) approximately 3300 BC (**Bronze Age**) and 1200 BC (**Iron Age**). **[Abacus](abacus.md)**, one of the simplest [digital](digital.md) devices aiding with computation, was invented roughly around 2500 BC. However people used primitive computation helping tools, such as bone ribs, probably almost from the time they started trading. Babylonians in around 2000 BC were already able to solve some forms of **[quadratic equations](quadratic_equation.md)**.
@ -50,11 +50,13 @@ Also in 1888 probably the **first [video](video.md)** that survived until today
On December 17 1903 the Wright brothers famously performed the **first controlled flight of a motor airplane** which they built, in North Carolina. In repeated attempts they flew as far as 61 meters over just a few seconds.
Int 1907 Lee De Forest invented a practically usable **[vacuum tube](vacuum_tube.md)**, an extremely important part usable in electric devices for example as an amplifier or a switch -- this would enable construction of radios, telephones and later even primitive computers. The invention would lead to the [electronic](electronics.md) revolution.
From 1914 to 1918 there was **[World War I](ww1.md)**.
Around 1915 [Albert Einstein](einstein.md), a German physicist, completed his **[General Theory of Relativity](relativity.md)**, a groundbreaking physics theory that describes the fundamental nature of space and time and gives so far the best description of the Universe since [Newton](newton.md). This would shake the world of science as well as popular culture and would enable advanced technology including nuclear energy, space satellites, high speed computers and many others.
Int 1907 Lee De Forest invented a practically usable **[vacuum tube](vacuum_tube.md)**, an extremely important part usable in electric devices for example as an amplifier or a switch -- this would enable construction of radios, telephones and later even primitive computers. The invention would lead to the [electronic](electronics.md) revolution.
7 November 1917 was the date of so called October Revolution ("October" because of different dating back then) that was part of the **Russian Revolution** led by Vladimir Lenin and his [Marxist](marxism.md) Bolshevik party. This got rid of the Russian Empire and would eventually establish the **[Soviet Union](ussr.md)** in 1922.
In 1923 the research of mainly Edwin Hubble leads to concluding there exist other galaxies in the Universe besides our Milky Way, vastly expanding the size of known Universe.