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mar 27, 1950 - Headphones

Description:

Headphones and the idea that lessons could be learned through repetition gave rise to the 'language labs' - a practice that remains in use today.

Added to timeline:

EME

ByDayanira Feliciano

14 Nov 2017

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566

Date:

mar 27, 1950

Now

~ 75 years ago

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