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1 jan 1923 ano - The radio was first used by Haaren High School in New York City in the classroom for teaching.

Descrição:

By Duncan Rawlinson (Flickr.com - image description page) [CC BY 2.0 (http://creativecommons.org/licenses/by/2.0)], via Wikimedia Commons

Adicionado na linha do tempo:

A Brief History of Educational Technology

18 set 2017

0

0

829

Data:

1 jan 1923 ano

Agora

~ 102 years ago

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