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The mirror actuators on the James Webb Space Telescope are a perfect example of this extreme engineering, and to understand how they work a little better, [Zachary Tong] built a working model of ...

Upon arrival at Kourous, Webb was trucked to the ESA’s integration ... The process begins with the secondary mirror, which rides on a triangular boom that is folded against the center section ...

One of the last checks being made involves Webb's 6.5m-wide golden mirror. The segmented reflector has to be folded to fit inside the launch rocket - that's how big it is; and the technicians at ...

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