The film has very little dialogue. The first and last 20 minutes are completely silent in terms of speech.
This is a "cinematic" film meant to overwhelm the senses. 🔍 Hidden Details & Trivia 2001 Odissea Nello Spazio - 2001 A Space Odysse...
The famous "bone-to-satellite" match cut suggests that our greatest tools are often just extensions of our primitive instincts. The film has very little dialogue