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LUIZ CARLOS DIAS
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LUIZ CARLOS DIAS

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LUIZ CARLOS DIAS

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  #Cool    #Nerd   #Stuff  
#Paramagnetism of Liquid Oxygen
Paramagnetism is a form of magnetism whereby certain materials are attracted by an externally applied magnetic field. The formation of liquid oxygen from its gaseous state leaves a few electrons unpaired which gives liquid oxygen its magnetic property. When the liquid form of oxygen is poured over a magnet, the molecules align to create an induced magnetic field. This phenomenon is termed as Paramagnetism. Liquid oxygen fades away eventually and the resultant mist produced, as it boils off, is still attracted to the magnets.
http://www.docsity.com/en/news/science-2/science-chemical-reactions-gifs/
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LUIZ CARLOS DIAS

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Primeiro pastor kkkk
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Garotas vejam a dica 💞
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🌚🌚 qualquer dúvida procurem na wiki e verá "escolha" 
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The Large Underground Xenon (LUX) dark matter experiment, which, with the help of Berkeley Lab researchers, operates beneath a mile of rock at the Sanford Underground Research Facility in the Black Hills of South Dakota, has completed its search for the missing matter of the universe. At a meeting in the UK, LUX scientific collaborators presented the results from the detector’s final 20-month run.
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 a kilobyte rewritable atomic memory #Nanotechnology #NEWS
Abstract
The advent of devices based on single dopants, such as the single atom transistor, the single spin magnetometer and the single atom memory, motivates the quest for strategies that permit to control matter with atomic precision. Manipulation of individual atoms by means of low-temperature scanning tunnelling microscopy provides ways to store data in atoms, encoded either into their charge state, magnetization state or lattice position. A defining challenge at this stage is the controlled integration of these individual functional atoms into extended, scalable atomic circuits. Here we present a robust digital atomic scale memory of up to 1 kilobyte (8,000 bits) using an array of individual surface vacancies in a chlorine terminated Cu(100) surface. The memory can be read and rewritten automatically by means of atomic scale markers, and offers an areal density of 502 Terabits per square inch, outperforming state-of-the-art hard disk drives by three orders of magnitude. Furthermore, the chlorine vacancies are found to be stable at temperatures up to 77 K, offering prospects for expanding large-scale atomic assembly towards ambient conditions.
- full paper: https://www.researchgate.net/publication/301957328_A_kilobyte_rewritable_atomic_memory
 - also can read here:
A bit more room at the bottom
'Until recently, when people did experiments involving atom manipulation ... one atom had to be brought to one location by hand.
http://www.rsc.org/chemistryworld/2016/07/atomic-scale-data-storage-rewritable-memory
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