Electromagnetic metamaterials are man-made structures whose exotic properties can be defined and manipulated by engineering spatial distribution of their building block (cf. Sketch). These materials possess unusual properties including (not limited to) negative refractive index and cloaking devices which cannot be found in natural materials. 210 more words
Tags » Cloaking
ITMO & Australia National University: Invisible Hobbits & Harry Potter? Creating Invisible Objects Without Metamaterial Cloaking
Physicists from ITMO University, Ioffe Institute and Australian National University managed to make homogenous cylindrical objects completely invisible in the microwave range. Contrary to the now prevailing notion of invisibility that relies on metamaterial coatings, the scientists achieved the result using a homogenous object without any additional coating layers. 494 more words
What is SEO?
In this article we are going to write about SEO (Search Engine Optimization) and why SEO is so important for your agribusiness. Nowadays Internet is part our life and It is estimated that about 40% of the world population has access to internet and this figure will increase in the next years. 768 more words
As a reader of Sci-Fi, I want to know the author has some working knowledge of the subject and technology they are writing about. Typically, readers of Sci-Fi are former technologists, biologists, mathematicians, chemists, etc. 300 more words