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...tive-index metamaterial causes light to refract, or bend, differently than in more common positive-index materials such as [[Lens (optics)|glass lens]]es ...ells of the first NIMs were stacked horizontally and vertically, resulting in a pattern that was repeated and intended (see below images). ...

{{Short description|Overview of scientific and technological developments in Iran/Persia}} ...using its [[safir (rocket)|own launcher]] and the sixth to send [[animals in space]].]] ...

...otopic signature]] of a substance. Understanding isotopic fingerprints and the sources of [[Isotope fractionation|fractionation]] that lead to variation b ...belprize.org/nobel_prizes/chemistry/laureates/1934/ |title=The Nobel Prize in Chemistry 1934 |website=www.nobelprize.org|access-date=2016-05-13}}</ref> ...