The classic way to make a mirror is to grind it from a glass blank. If you make your own telescope, you can play with the look of it in interesting ways.

The big problem with the early telescope is that it used mercury ... about a liquid scope is that you can pretty easily make a large mirror. You just need a shallow pool of liquid and a way ...

Dozens of boxes holding mirrors are placed along a remote desert hill in northern Chile as workers make progress in the ...

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Telescope mirrors are sensitive and prone to damage ... And if you happen to have some left over, it can be used to help make your own windshield wiper fluid, too. Want the latest in tech and ...

The European Southern Observatory's (ESO) Extremely Large Telescope (ELT) — the world's largest visible- and infrared-light telescope — is currently under development on the Cerro Armazones mountain ...

Making the far near The invention ... This was the first working reflecting telescope. Other designers proved unable to grind mirrors with a regular curvature, so the reflector remained largely ...