Which innovative product development approach did NASA use to ensure the James Webb Space Telescope's crucial sunshield would deploy correctly in space?

The James Webb Space Telescope represents one of the most complex product development projects in astronomy history. This engineering marvel required breakthrough innovations in optics, materials science, and deployment mechanisms to succeed. Test your knowledge about the product development challenges and solutions that made this next-generation observatory possible!

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Iterative origami-inspired folding techniques that allowed the tennis court-sized sunshield to fold into a small rocket payload space
Machine learning algorithms that automatically designed the optimal sunshield configuration based on simulated space conditions
Testing the deployment in underwater neutral buoyancy labs to simulate zero gravity conditions
Using experimental self-healing materials that could repair any tears or damage during the deployment sequence