Spinel (/ s p ɪ ˈ n ɛ l /) is the magnesium aluminium member of the larger spinel group of minerals. It has the formula MgAl 2 O 4 in the cubic crystal system.Its name comes from Latin "spina" (arrow). Balas ruby is an old name for a rose-tinted variety of spinel.
Does it really matter though? They are made of the exact same molecules, why would you not want them? Actually, what confuses me even more is that synthetic diamonds can be even more perfect than natural one, we choose diamonds by their purity.
Ever since gold has been known to man, 165,000 tons of it has been mined. The biggest portion of gold is used to make jewelry. A little less than this amount serves as investments, and a
Phytochemical-assisted synthetic approaches for silver nanoparticles antimicrobial applications: A review
2. General aspects of chitosan-structural and functional features2.1. Structure, source and physicochemical properties of chitosan. Chitosan molecule is a copolymer composed of N-acetyl-d-glucosamine and d-glucosamine units available in different grades depending upon the degree of acetylated moieties ().It is a polycationic polymer that has one amino group and two hydroxyl groups
Synthetic setae emulate the setae found on the toes of a gecko and scientific research in this area is driven towards the development of dry adhesives.Geckos have no difficulty mastering vertical walls and are apparently capable of adhering themselves to just about any surface.
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Bold and provocative Regenesis tells of recent advances that may soon yield endless supplies of renewable energy, increased longevity and the return of long-extinct species.New Scientist In Regenesis, Harvard biologist George Church and science writer Ed Regis explore the possibilitiesand perilsof the emerging field of synthetic biology.
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