Computable Minds

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

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360

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-8

Posted on: Nov, 2nd 2010
Diagram of the time server from the stratum-0 to the stratum-3
Have asked yourself sometime if exists an universal reference clock?. In reality doesn't exists, because the time is relative, but a lot of computer applications, specially for the programs that make operations in the stock exchange or bank transactions, is needed have the clocks in the earth synchronized. Enter into "Stratum: How we know what time is it?"

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359

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-7

Posted on: Oct, 28th 2012
what is the best computer for you
At the time of buy a PC the first that you have to ask yourself is, what use I'm going to give to it? Depending if you want it for play, do graphic design, edit video, programming or simply surfing internet or write documents, the characteristics of the computer that more suits your needs will be very different. Don't stop reading the rest of "What is the best computer for you?"

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357

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13

Posted on: Mar, 22nd 2011
Tsunami picture of Hokusai
The tsunamis or seaquakes can be generated by earthquakes, submarine landslides, volcanic eruptions and giant meteors. All this variety of phenomena can be simulated in a computer to take preventive measures. Fill your mind with "Tsunami simulation"

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351

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25

Posted on: Feb, 15th 2011
RSA
The RSA is an encription algorithm of public key more used in the world. Its security increases exponentially with every bit that we add to the encription key, hence nobody have achieved break its security and maybe nobody do it never. If you want know how are posible the secure bank transactions over Internet, or how can be signed digitally e-mails and documents, besides of other things, follow reading. Continue discovering "RSA: the security of your money depends of it"

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344

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302

Posted on: Jul, 5th 2011
RAM memory
In this post I'm going to explain a way of waste the RAM memory instaled in the computer, which affects to a lot of users.
Since some years ago, are being sold computers with 4 or more GB of RAM, but if we use an operating system of 32 bits, it will indicate us that we are using a little less of those 4 GB. Why occurs this? Continue discovering "RAM memory: Why if I have 4GB or more the OS detect less?"

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343

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48

Posted on: Aug, 24th 2010
CAPTCHA
The web pages increasingly receive more SPAM of programs that automatically fill the forms of the webs. To avoid it, appears the annoying CAPTCHA ("Completely Automated Public Turing test to tell Computers and Humans Apart"). A CAPTCHA consist in a test that has to pass the person that is filling the form, to demonstrate that is a human. But, are there any test that can surpass a human and not a machine? Continue discovering "Could the CAPTCHA of the future distinguish a human from a machine?"
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