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83

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Alex Kipman: The dawn of the age of holograms Watch it on TED

technology design engineering invention NASA computers interface design innovation creativity future communication product design potential exploration visualizations microsoft prediction

Eiken 2 3.27 syllables / second

83 Difficulty level

to start

Listen carefully to the video. Start at minute 0:00 and end at minute 3:00 , one to three times if needed, and start your comprehension test

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