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

Tim Berners Lee, inventor of the Web, from the beginning wanted that his invention was semantic forming a global data base of the human knowledge, in which the information could be consulted by all the world and understood by the machines, to generate new knowledge, answer questions and create artificial intelligences that could surpass the Turing Test. This idea begins to become true, but first have to overcome several difficulties that I'm going to expose next. Don't stop reading the rest of "The problems of the semantic Web"

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 reading "Why RGB?"

There are many people who believe that a machine isn't capable of generate random results and with this idea spend their savings betting in Internet on all kind of gambling waiting to find a pattern. In fact, the machine not only can generate random results, but also adjust them for that the prizes won are the needed for keep hooked the gambler and maximize the benefits of the casino. Don't miss the rest of "How a machine learns to harness a compulsive gambler?"

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. Read all about of "What is the best computer for you?"