Which innovative product development approach did NASA engineers use to ensure the James Webb Space Telescope's massive sunshield would unfold properly in space?

The James Webb Space Telescope represents one of the most ambitious product development projects in astronomical history. This engineering marvel took decades to design, test, and deploy, pushing the boundaries of what's possible in space observation technology. Test your knowledge about this groundbreaking telescope's development journey and discover how complex astronomical instruments evolve from concept to reality.

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They tested it in underwater facilities to simulate zero gravity conditions
They developed specialized origami-inspired folding techniques and computer simulations
They built and deployed smaller prototype versions in Earth orbit first
They used machine learning algorithms to automatically design the optimal folding pattern