https://padlet.com/alejandramurillo/dgjrjmcrqlvuz6m1 9th c en-us 2021-09-25 02:28:40 UTC 2024-10-17 01:37:39 UTC hello@padlet.com https://padlet-uploads.storage.googleapis.com/1365536159/a449ca0e5034b1f1b9377691c7ca2b52/DevTerm___ClockworkPi.png alejandramurillo https://padlet.com/alejandramurillo/dgjrjmcrqlvuz6m1/wish/1766850061 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.]]> 2021-09-25 02:32:45 UTC https://padlet.com/alejandramurillo/dgjrjmcrqlvuz6m1/wish/1766850061 alejandramurillo https://padlet.com/alejandramurillo/dgjrjmcrqlvuz6m1/wish/1766851090 When humanity first used fire is still not definitively known, but, like the first tools, it was probably invented by an ancestor of Homo sapiens.]]> 2021-09-25 02:33:48 UTC https://padlet.com/alejandramurillo/dgjrjmcrqlvuz6m1/wish/1766851090 alejandramurillo https://padlet.com/alejandramurillo/dgjrjmcrqlvuz6m1/wish/1766854251
The first irrigation systems arose roughly simultaneously in the civilizations of the Tigris-Euphrates river valley in Mesopotamia and the Nile River valley in Egypt.]]> 2021-09-25 02:37:27 UTC https://padlet.com/alejandramurillo/dgjrjmcrqlvuz6m1/wish/1766854251 alejandramurillo https://padlet.com/alejandramurillo/dgjrjmcrqlvuz6m1/wish/1766857000 Once it was possible to send information through a wire in the form of dots and dashes, the next step was actual voice communication.]]> 2021-09-25 02:40:53 UTC https://padlet.com/alejandramurillo/dgjrjmcrqlvuz6m1/wish/1766857000 alejandramurillo https://padlet.com/alejandramurillo/dgjrjmcrqlvuz6m1/wish/1766859023 German engineer Nikolaus Otto built an engine that, unlike the steam engine, used the burning of fuel inside the engine to move a piston.]]> 2021-09-25 02:42:41 UTC https://padlet.com/alejandramurillo/dgjrjmcrqlvuz6m1/wish/1766859023