These are the famous KECK telescopes, the largest optical telescopes on the planet, and they are built with mirrors.

While telescopes originally relied on glass to do their magic, big lenses are hard to support and they introduce distortions in the light. So to extend our vision, mirrors were eventually introduced.

Learn more about the story of glass right now on PBS. Tune in to HOW WE GOT TO NOW.


Glass makers would often add burnt plants to the molten sand mix to try and remove impurities. And after taking classes to learn the methods of an alchemist, Angelo Barovier, a maverick glass maker, experimented with a plant called Saltwort that he imported from Syria. 

The result was a transparent, colorless glass that triggered a revolution.

Tune in now to HOW WE GOT TO NOW on PBS to hear the rest of the story of glass.

Hubble Finds Extremely Distant Galaxy through Cosmic Magnifying Glass

Washington DC (SPX) Oct 21, 2014

Peering through a giant cosmic magnifying glass, NASA’s Hubble Space Telescope has spotted a tiny, faint galaxy - one of the farthest galaxies ever seen. The diminutive object is estimated to be more than 13 billion light-years away. This galaxy offers a peek back to the very early formative years of the universe and may just be the tip of the iceberg. “This galaxy is an example of what i
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Google Adds Five New Partners to the Glass At Work Program

Google’s first wearable tech is finding great success in enterprise. Its Glass at Work program already features partners like APX Labs and Augmate who have created software for Glass to provide workers with the ability to get access to information for their jobs hands-free. Google has just certified five new partners to join the program which was established in June.

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