Computable Minds

Blog of popular science about the more exiting branches of computer science.

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Sorted by "More positive votes"

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888

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15

Posted on: Feb, 25th 2013
RGB additive mixture

The RGB color model is a great invention which allows that with the mixture of different intensities of red, green and blue, any monitor or television can reproduce the colors of the reality. But ... how is it achieve? and why the colors of the model aren't others? The answer is in our eyes.

The retina is the part of the eye where we capture the light, and this is made thanks to a kind of modified neurons for detect photons: the rods and the cones.

Don't miss the rest of "Why RGB?"

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341

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19

Posted on: Nov, 19th 2010
Cube of a multidimensional query
The data warehouses or multidimensional databases, are a kind of technology that has constant grow of use in the enterprises in the last years. This isn't strange, because with the techniques of data mining, the enterprises can predict the future, something very important to take decision. Do you want to know how? Follow discovering "Data Warehouses and data mining to predict the future"

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156

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12

Posted on: Nov, 16th 2010
Laptop battery with flames
The Lithium-Ion of the batteries of the laptops, lost duration with the use, it can pass from a duration of several hour to a few minutes in a couple of years. In this post I'm going to explain some tricks to avoid it. Continue discovering "Prolongs the life of the battery of your laptop"

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188

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16

Posted on: Jan, 25th 2011
Apocalipsis 2038
A lot of programs wrote in C, Unix operating systems and others based in this, use a date format that consist in count the seconds that have passed from the midnight of the January 1, 1960, without counting leap seconds. This format is called POSIX and when arrives the moment 19/01/2038 03:14:07, the counter will show incorrectly the date 1901/12/13 20:46:52, causing errors in a lot of programs. Read more of "The effect 2038"

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871

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23

Posted on: Sep, 24th 2010
crane
Internet allows that any computer cans communicate with any other computer independently of the distance. This is not magic but is thanks to large cables buried in the seabed that ply the seas and oceans around the world. ¿Do you want know the technology of these cables? Follow reading "The impressive submarine cables (first part)"

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2651

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21

Posted on: Aug, 20th 2010
Ostentatious utensil of virtual reality
The virtual reality is the creation of 3D interactive worlds by computer, with the intention of immerse the user in another reality. To this, normally, is used goggles that has an screen for each eye, creating the sensation of be in a 3D world around us everywhere. See here how has evolved this discipline. Surprise yourself with the rest of "Evolution of the virtual reality"
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