Inventions by Elisa Castaneda https://padlet.com/elisacastaneda/wcgm2uwv3vji How creative are you? en-us 2016-08-20 22:12:18 UTC 2023-05-22 04:39:29 UTC hello@padlet.com https://padlet-assets.s3.amazonaws.com/icons/Lightdecrease.png Gustave Trouvé's tricycle (1881), the world's first electric car. https://padlet.com/elisacastaneda/wcgm2uwv3vji/wish/769594761 This is the very first electric car, made by Gustave Trouve. He installed an small engine on an English tricycle.
Emiliano]]> 2020-09-22 18:33:52 UTC https://padlet.com/elisacastaneda/wcgm2uwv3vji/wish/769594761 E-commerce ezequielrmartino https://padlet.com/elisacastaneda/wcgm2uwv3vji/wish/769607621 E-commerce is the activity of buying or selling any product via online services or over the internet. It started between 1971 and 1972, as a way to arrange a cannabis sale in Stanford University, California and it is still developing at the present.

The seller may not be in the same city, province or country as you, so you can ask for delivery service.

Ezequiel and Felipe]]> 2020-09-22 18:37:00 UTC https://padlet.com/elisacastaneda/wcgm2uwv3vji/wish/769607621 The First Radio https://padlet.com/elisacastaneda/wcgm2uwv3vji/wish/769627705 The idea of wireless communication predates the discovery of "radio" with experiments in "wireless telegraphy" via inductive and capacitive induction and transmission through the ground, water, and even train tracks from the 1830s on. James Clerk Maxwell showed in theoretical and mathematical form in 1864 that electromagnetic waves could propagate through free space.
In 1888 Heinrich Rudolf Hertz was able to conclusively prove transmitted airborne electromagnetic waves in an experiment confirming Maxwell's theory of electromagnetism.

Manuel]]> 2020-09-22 18:41:43 UTC https://padlet.com/elisacastaneda/wcgm2uwv3vji/wish/769627705 Maps https://padlet.com/elisacastaneda/wcgm2uwv3vji/wish/769638293 The earliest Greek known to have made a map of the world was Anaximander. In the 6th century BC, he drew a map of the then known world, assuming that the earth was cylindrical.
Maite, Aylén and Micaela]]> 2020-09-22 18:44:15 UTC https://padlet.com/elisacastaneda/wcgm2uwv3vji/wish/769638293 The first modern headphones https://padlet.com/elisacastaneda/wcgm2uwv3vji/wish/769643645 Nathaniel Baldwin began manufacturing the first modern headphones. He crafted them in his kitchen and sold them all to the U.S. Navy. This was the first time a pair of cans resembled something you’d see today.
Augusto]]> 2020-09-22 18:45:35 UTC https://padlet.com/elisacastaneda/wcgm2uwv3vji/wish/769643645 The first airplane https://padlet.com/elisacastaneda/wcgm2uwv3vji/wish/769648707 The Wright brothers invented and flew the first airplane in 1903, recognized as "the first sustained and controlled heavier-than-air powered flight
Juan Diego]]> 2020-09-22 18:46:46 UTC https://padlet.com/elisacastaneda/wcgm2uwv3vji/wish/769648707 https://padlet.com/elisacastaneda/wcgm2uwv3vji/wish/769649217 2020-09-22 18:46:54 UTC https://padlet.com/elisacastaneda/wcgm2uwv3vji/wish/769649217 The first 3D printer https://padlet.com/elisacastaneda/wcgm2uwv3vji/wish/769665129 The first 3D printer was made in 1983 by Charles W. Hull. It used the stereolithography technique (this method is used to convert liquid into plastic). This fantastic machine cost over $300.000.
Emiliano]]> 2020-09-22 18:50:49 UTC https://padlet.com/elisacastaneda/wcgm2uwv3vji/wish/769665129