It can be a pure blue but ranges from greenish blue to violetish blue. The name “sapphire” can also apply to any corundum that’s not red and doesn’t qualify as ruby, another corundum variety. Besides ...

These were shown by Becquerel to have the cleavage of corundum, and contained small cavities lined with crystals of ruby. Gaudin concluded that alumina could not exist in the vitreous state ...

This curated list comprises awesome libraries, data sources, tutorials and presentations about Machine Learning utilizing the Ruby programming language. A lot of useful resources on this list come ...

A graceful song of pain and despair, ‘Ruby Tuesday’ was the last great collaboration between Keith Richards and Brian Jones. Their strength lay not only in the symbiotic collaborations of Mick ...

Auction Results: Mixed-quality Rubies Gemfields Group Limited Incorporated in Guernsey. Guernsey registration Number: 47656. South African external company registration number 2009/012636/10 Share ...

The Vienna University of Technology (German: Technische Universität Wien, TU Wien; formerly: k.k. Polytechnisches Institut, Imperial and Royal Polytechnic Institute from 1815–1872; Technische ...

National Cancer Institute researchers have developed a method called HORNET for characterizing 3D topological structures of large and flexible RNA molecules. Scientists used atomic force ...

At close: January 3 at 4:41:23 PM GMT+2 ...