Which innovative product development approach was NOT used in the creation of the James Webb Space Telescope's revolutionary infrared sensors?

The James Webb Space Telescope (JWST) represents one of astronomy's most significant product innovations in decades. Launched in December 2021, this technological marvel has transformed our understanding of the universe with its unprecedented infrared capabilities. This poll tests your knowledge about how this groundbreaking product was developed and launched into the astronomy market, showcasing the intersection of product innovation and scientific advancement.

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Cryogenic testing at temperatures below -233°C to simulate deep space conditions
Machine learning algorithms that autonomously recalibrate the sensors based on stellar feedback
Microshutter array technology allowing simultaneous observation of multiple objects
Beryllium mirror segments with gold coating to optimize infrared reflection