1920s Technology Timeline 3.3 million years ago: the first tools. the history of technology begins even before the beginning of our own species. sharp flakes of stone used as knives and larger unshaped stones used as hammers and anvils have been uncovered at lake turkana in kenya. the tools were made 3.3 million years ago and thus were likely used by an ancestor such as. Technology timeline (1752 1990) 1752 lightning rod. benjamin franklin's electricity experiments lead him to a valuable application — the lightning rod, which when placed at the apex of a barn.
Timeline Of 20th Century Inventions And Technology Technology Posters Ancient egyptians invent lighthouses, including the huge lighthouse of alexandria. fresnel lenses. ~300– 200 bce. chinese invent early magnetic direction finders. compasses. ~250 bce. archimedes invents the screw pump for moving water and other materials. tools and machines. c.150– 100 bce. 1911 – 1920 inventions. 1911 : stenotype machines 1913 : ecstasy; brillo pads; crossword puzzles; bras; zips 1916 : sonar 1920 : hair dryers; kiss proof lipstick. Technology. history of technology, the development over time of systematic techniques for making and doing things. the term technology, a combination of the greek technē, “art, craft,” with logos, “word, speech,” meant in greece a discourse on the arts, both fine and applied. when it first appeared in english in the 17th century, it. The big visualization offers a long term perspective on the history of technology. 1 the timeline begins at the center of the spiral. the first use of stone tools, 3.4 million years ago, marks the beginning of this history of technology. 2 each turn of the spiral represents 200,000 years of history.
1920s Technology Timeline Technology. history of technology, the development over time of systematic techniques for making and doing things. the term technology, a combination of the greek technē, “art, craft,” with logos, “word, speech,” meant in greece a discourse on the arts, both fine and applied. when it first appeared in english in the 17th century, it. The big visualization offers a long term perspective on the history of technology. 1 the timeline begins at the center of the spiral. the first use of stone tools, 3.4 million years ago, marks the beginning of this history of technology. 2 each turn of the spiral represents 200,000 years of history. The atanasoff berry computer. after successfully demonstrating a proof of concept prototype in 1939, professor john vincent atanasoff receives funds to build a full scale machine at iowa state college (now university). the machine was designed and built by atanasoff and graduate student clifford berry between 1939 and 1942. 35,000 bc 100 bc. 35,000 bc (also known as bce before current era): notched bones used for counting. 20,000 bc: pictures on rocks appeared in europe. 10,000 bc: clay objects for counting used in the fertile crescent. 6000 bc: first seals that make impressions on clays. 4000 bc: people of sumer invent a base 60 numbering system (the base of.
Timeline Of 20th Century Inventions And Technology Poster Laminated The atanasoff berry computer. after successfully demonstrating a proof of concept prototype in 1939, professor john vincent atanasoff receives funds to build a full scale machine at iowa state college (now university). the machine was designed and built by atanasoff and graduate student clifford berry between 1939 and 1942. 35,000 bc 100 bc. 35,000 bc (also known as bce before current era): notched bones used for counting. 20,000 bc: pictures on rocks appeared in europe. 10,000 bc: clay objects for counting used in the fertile crescent. 6000 bc: first seals that make impressions on clays. 4000 bc: people of sumer invent a base 60 numbering system (the base of.
1920s Technology Timeline
Comments are closed.