Mirror Of The World’s Largest Telescope Being Cast

World’s Largest Telescope

Check out the making of a mirror for the giant telescope which is no easy task. The sheer size of the glass is huge, the nanometer accuracy of its curves, its delicately calculated optics, and the responsive software needed to run it make this a responsibility of superhuman proportions.

But the new castings of the 15-metric ton, off-axis mirrors for the Giant Magellan Telescope forced engineers to push the design and manufacturing process beyond all former limits.

Read the full article at IEEE SPECTRUM

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