It takes absolute precision to construct Earth's largest telescope, which will peak into far-off alien worlds

The Giant Magellan Telescope, currently being constructed in Chile, is expected to be operational by 2026. Currently, the project is in a critical stage — casting seven huge mirrors that will hopefully allow the telescope to capture far-off alien worlds. Read more...

More about Space, Glass, Construction, Telescope, and Mirrors

from Mashable https://mashable.com/2018/04/27/giant-magellan-telescope-construction-mirrors/
via Middlesbrough