منابع مشابه
Blow-up: a free lunch?
We consider operations that change the size of images, either shrinks or blow-ups. Image processing offers numerous possibilities, put at everyone's disposal with such computer programs as Adobe Photoshop. We consider a different class of operations, aimed at immediate visual awareness, rather than pixel arrays. We demonstrate cases of blow-ups that do not sacrifice apparent resolution. This ap...
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I draw from two studies of home network and internet use in Kenya and the United Kingdom (U.K.) to showcase how bandwidth and economic constraints shape internet usage patterns and perceptions. I suggest that increasing visibility of these constraints can improve internet experiences for within-home browsing and transnational communications.
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OBJECTIVE To study whether service of a free school lunch has an impact on weight development and food intake among pupils at a lower secondary school, and to assess the association between self-perceived school behaviour and food intake. DESIGN A controlled intervention study involving service of a free healthy school lunch to 9th grade pupils took place over 4 months, from January to May 20...
متن کاملIIT at TREC-10
For TREC-10, we participated in the adhoc and manual web tracks and in both the site-finding and cross-lingual tracks. For the adhoc track, we did extensive calibrations and learned that combining similarity measures yields little improvement. This year, we focused on a single highperformance similarity measure. For site finding, we implemented several algorithms that did well on the data provi...
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I f an intracellular parasite is too successful at hiding itself, it can end up starving. Toxoplasma gondii gets around this potential problem by munching nutrient-fi lled host lysosomes, say Isabelle Coppens and colleagues. T. gondii has an extraordinary mechanism for creating a parasitophorous vacuole (PV) around itself—it motors into a host mammalian cell and uses a ring-shaped moving juncti...
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ژورنال
عنوان ژورنال: Science
سال: 1995
ISSN: 0036-8075,1095-9203
DOI: 10.1126/science.7792595