منابع مشابه
Shades of Black: Searching for Brown Dwarfs & Giant Planets
We have searched, so far in vain, for brown dwarfs or giant planets in the vicinity of several nearby stars using cameras built at Université de Montréal attached to the CFHT Adaptive Optics system. Here, we show how pairs of images taken simultaneously through separate filters on, and off, the 1.6 μm methane absorption band, can be used to completely defeat speckles, the dominant noise source,...
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Procedural material shaders continue to pop up since the advent of fragment programmability. Most of these shaders concentrate on interesting animated effects. The cg shades demo successfully explores the use of fragment shader programming for a different kind of materials: Highly repetitive, man-made materials. The given code shows a variety of implementation options adapted to different usage...
متن کاملThe Economic Realities of Open Standards: Black, White and Many Shades of Gray
Open standards have long been popular among buyers of goods and services in the information technology sector. Self-interested buyers and sellers, however, have had incentives to overstate (or understate) the openness of various standards. This paper rejects the simplified view that there is a single model of an open standard, as well as the assumption that a fully open solution is always an op...
متن کاملMany shades of green
director of promotion and international initiatives, said there were six large-scale collaborative projects with aims such as making the best use of the capital’s science base. London also has a world-class collection of material for biomedical scientists and historians. Apart from the internationally renowned Natural History Museum, the Wellcome Collection and Kew Gardens, many smaller bodies ...
متن کاملApplying evidence to patient care: from black and white to shades of grey.
Traditional school science has been described as focused on indisputable facts where scientific processes and factors affecting these processes become obscured or left undiscussed. In this article, we report on teachers’ perspectives on the teaching of sociocultural and subjective aspects of the nature of science (NOS) as a way to accomplish a more nuanced science teaching in Swedish compulsory...
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ژورنال
عنوان ژورنال: International Journal of Modern Physics D
سال: 2015
ISSN: 0218-2718,1793-6594
DOI: 10.1142/s0218271815440071