ꯁꯤꯟ-ꯁꯥꯔꯣꯜ ꯅꯩꯅꯕ: ꯑꯃꯨꯛꯍꯟꯕꯥ ꯈꯦꯠꯅꯕꯥꯒꯤ ꯃꯔꯛ

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ꯂꯩ ꯏ ২৪:
 
 
 
== ꯄꯨꯋꯥꯔꯤ ==
{{Main|History of technology|Timeline of historic inventions|Timeline of electrical and electronic engineering}}
 
===Paleolithic (2.5 Ma – 10 ka)===
[[File:Chopper of Dmanisi.png|thumb|right|A primitive [[chopper (archaeology)|chopper]]]]
{{further information|Outline of prehistoric technology}}
 
The use of tools by [[ꯍꯣꯃꯣ (ꯖꯦꯅꯨꯁ)|ꯑꯔꯤꯕ ꯃꯤꯑꯣꯏꯕ]] was partly a process of discovery and of evolution. Early humans evolved from a [[Australopithecus afarensis|species]] of [[foraging]] [[hominids]] which were already [[bipedal]],<ref>{{Cite web|http://www.bbc.co.uk/sn/prehistoric_life/human/human_evolution/mother_of_man1.shtml|title=Mother of man&nbsp;– 3.2 million years ago |publisher=BBC}}</ref> with a brain mass approximately one third of modern humans.<ref>{{Cite web|url=http://www.history.com/encyclopedia.do?articleId=212317|title=Human Evolution|last=|first=|date=|website=|publisher=[[History (U.S. TV channel)|History Channel]]|accessdate=17 May 2008|archiveurl=https://web.archive.org/web/20080423204038/http://www.history.com/encyclopedia.do?articleId=212317|archivedate=23 April 2008}}</ref> Tool use remained relatively unchanged for most of early human history. Approximately 50,000 years ago, the use of tools and [[behavioral modernity|complex set of behaviors]] emerged, believed by many archaeologists to be connected to the emergence of fully modern [[language]].<ref>{{Cite news|url=https://www.nytimes.com/2003/07/15/science/early-voices-the-leap-to-language.html|title=Early Voices: The Leap to Language|last=Wade|first=Nicholas|date=July 15, 2003|work=The New York Times|access-date=November 7, 2016|via=}}</ref>
 
====ꯅꯨꯡꯒꯤ ꯈꯨꯠꯂꯥꯏꯁꯤꯡ====
[[File:Biface de St Acheul MHNT.jpg|thumb|upright|Hand axes from the [[Acheulian]] period]]
[[File:Clovis Point.jpg|upright|thumb|A [[Clovis point]], made via [[pressure flaking]]]]
 
Hominids started using primitive stone tools millions of years ago. The earliest stone tools were little more than a fractured rock, but approximately 75,000 years ago,<ref>{{Cite news|url=https://www.wired.com/2010/10/stone-tool-sharpening/|title=Stone Agers Sharpened Skills 55,000 Years Earlier Than Thought|last=Bower|first=Bruce|date=October 29, 2010|work=WIRED|access-date=November 7, 2016|via=}}</ref> [[pressure flaking]] provided a way to make much finer work.
 
====ꯈꯥꯝꯕꯤ-ꯃꯩ====
{{main|Control of fire by early humans}}
The discovery and utilization of [[fire]], a simple [[energy]] source with many profound uses, was a turning point in the technological evolution of humankind.<ref>{{Cite book | last=Crump | first=Thomas | title=A Brief History of Science | year=2001 | publisher=[[Constable & Robinson]] | isbn=184119235X | page=9}}</ref> The exact date of its discovery is not known; evidence of burnt animal bones at the [[Cradle of Humankind]] suggests that the domestication of fire occurred before 1 Ma;<ref>{{Cite web | url=http://whc.unesco.org/pg.cfm?cid=31&id_site=915 | title=Fossil Hominid Sites of Sterkfontein, Swartkrans, Kromdraai, and Environs | accessdate=10 March 2007 | publisher=[[UNESCO]]}}</ref> scholarly consensus indicates that ''[[Homo erectus]]'' had controlled fire by between 500 and 400 ka.<ref>{{Cite web|url=http://www.historyworld.net/wrldhis/PlainTextHistories.asp?historyid=ab10|title=Stone Age Man|last=|first=|date=|website=|publisher=History World|accessdate=13 February 2007}}</ref><ref>{{Cite journal | title=Hominid Use of Fire in the Lower and Middle Pleistocene | last=James | first=Steven R. | journal=[[Current Anthropology]] | volume=30 | issue=1 | pages=1–26 | subscription=yes |date=February 1989 | doi=10.1086/203705 | jstor=2743299}}</ref> Fire, fueled with [[wood]] and [[charcoal]], allowed early humans to cook their food to increase its digestibility, improving its nutrient value and broadening the number of foods that could be eaten.<ref> * Ann B Stahl.
*year=1984
* title-Hominid dietary selection bef</ref>
 
==ꯁꯤꯖꯨ ꯌꯦꯡꯉꯨ==
"https://mni.wikipedia.org/wiki/ꯁꯤꯟ-ꯁꯥꯔꯣꯜ_ꯅꯩꯅꯕ" ꯃꯐꯝꯗꯨꯗꯒꯤ ꯂꯧꯈꯠꯂꯛꯄꯥ