Computer simulations play an important role in many scientific and engineering problems. Depending on the given tasks, different methods are used: someone needs to solve complicated systems of equations which cannot be solved analytically, other perform numerous computations to get enough statistics without real-life experiments. The first mentioned group of tasks is often related to calculations on electric and electronic devices while the latter is often related to the statistics problems (a lot of problems in economy, thermodynamics, etc.). In this article, we discuss an example of how a simple analysis can be performed by the accumulation of the enough number of random events. (more…)
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How many times a day do you use RFID technology?
Each of us at least a few times per week uses a smart card in transport, a typical power door locker or, so-called, transponder, for an office door or a car. These devices can be considered an essence of the era of radio technologies. Let us speak how they work and where the corresponding technology is used also. (more…)
How To Do All My Homework?
Your college year has just started, but you already question yourself about how to do all that creepy stuff in math, programming, biology, management or whatever? Well, sad news but with every passing day there comes even more homework. So how to deal with it? Should every task be done or you can lay back and forget about some of them? Let’s see. (more…)
How Math Works in Gambling
Gambling was the main reason for the emergence and development of the probability theory. Like any other mathematical theory, it sets its own laws. It seems strange indeed that any case may be regulated. Consequently, knowing the rules, can we win a random game? Let’s see. (more…)
How To Survive First Day At College
Hey, the great day is coming and the studying is about to start. Don’t worry about the summer now (you’ll have more of them later), worry about your first day at college. Or, probably, you better should not because everyone around you is also worried. You must have heard a lot of advices on how not to fail that, so let’s summarize them and add more useful tips to get lucky. (more…)
Problems of Space Radio Сommunications
Electromagnetic waves that carry the radio signal move with the giant speed – the speed of light, which equals to 300 000 km/s. Here, on Earth we almost don’t feel the delay in the radio signals transfer. But while the reply from the Moon will come to us in half a second, the other one from the Mars takes about six minutes. Moreover, when the distance from the transmitter increases, the radio signal decays rapidly. So, what can we do with this? Fortunately, it is rather difficult but still solvable. (more…)
Last Days College Preparation
Summer is, unfortunately, almost over but it’s high time you thought about the prospectives the new studying year can bring. Don’t get mad or anxious with the idea that you know nothing about the place, where you gonna stay for the next several years, there’s no point in it as there are lots of freshmen same as you. The things you may want to know are what else is necessary to do and what to start with. (more…)