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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612

votes

33

Posted on: Jun, 8th 2011
We can classify the ways that hard disk can breakdown in two: software and hardware. With the first I'm talking about the lost of data due to virus or accidental erasure. In these cases, if it's possible retrieve the information, it is often so cheap because only we have to use the appropriate software. Instead, the errors of hardware or physics are very expensive of repair, because are needed tools and specialized installations and only if the information that contains is enough valuable, can worth pay for it. Show more of "Repair the hardware of a hard disk"

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301

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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. Follow reading "RSA: the security of your money depends of it"

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766

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27

Posted on: Oct, 1st 2010
Phosphorus of a CRT screen
The screensavers, theoretically, serve to protect the monitors from the deterioration of the quality of the screen produced when you leave an image fixed during a lot of time. With the abandon of the CRT monitors in favor of the TFT-LCD, the screensavers leave of be useful, but a lot of people follow believing that still serve to save the screen. Fill your mind with "Screensavers. Save they my screen?"

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280

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30

Posted on: Sep, 14th 2010
Hz is not equal to Mbps
How many times have you hear, told or wrote the expression X megs of bandwidth. I'm sure that a lot of times, because the continued use of this phrase, have been converted in the regular way of talking of all the people and is totally incorrect. Something seemed happens when say that we weight 154 pounds, being the pound a unit of mass and not of weight. We must say: "I weight 70 kiloponds" or "I weight 154 pounds-force". Follow reading if you want to know why the case of the megs of bandwidth, also is incorrect. Follow reading "The Megs of bandwidth doesn't exists"

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348

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14

Posted on: Aug, 17th 2010
Firefox logo above of IE6 logo
A lot of enterprises announced already in the moment that will go to leave of giving support to the browser Internet Explorer 6 (IE6) in their tools, for instance: Google left of giving support in its searcher and Gmail, Facebook, Yahoo, Digg and Microsoft itself, that did a campaign to discredit to its browser that said: "You wouldn't drink nine year old milk, so why use a nine year old browser?". But there are good reasons for all of this. Show more of "The worst virus of Internet: Internet Explorer 6"

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870

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16

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.

Continue discovering "Why RGB?"
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