Category Archives: Science

About racism

People call me racist. That may or may not be beside the point of this blog post. We, humans, are designed to be racist. I do not like this, though, and this is one of the reasons that made me … Continue reading

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The importance of “A living programmable biocomputing device based on RNA”

Please visit A living programmable biocomputing device based on RNA Quoting: “…have developed a living programmable “ribocomputing” device… …based on networks of precisely designed, self-assembling synthetic RNAs (ribonucleic acid). The RNAs can sense multiple biosignals and make logical decisions to control … Continue reading

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The Grandfather Paradox with a Markov Chain

The YouTube video “Solution to the Grandfather Paradox” does a great job discussing the Grandfather Paradox. Interestingly, at a point, the narrator states: “And a similar paradox-free solution can be obtained by viewing the problem as a steady-state solution to a Markov … Continue reading

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Visualizing eight elementary vector fields

I used Wolfram Alpha to draw eight vector fields that fascinate me, albeit or because of their simplicity. In Wolfram Alpha, I entered (x,y) and the engine plotted the integral curves for the corresponding vector field. Then I entered (x,-y) … Continue reading

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How jectivity corresponds to morphisms

“Jectivity” may or may not be a real word in the dictionary and my command of the English language is not adequate for me to make such a discussion. But “jectivity” is indeed a valid mathematical word and it concerns … Continue reading

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Venn diagrams vs. Euler diagrams

In Venn diagrams, all areas (subsets) are shown. Areas that contain no elements (empty subsets) are filled with black color. In Euler diagrams, only areas that contain elements (non-empty subsets) are shown. If we want to depict all areas, irrespectively … Continue reading

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Creating beats with Excel

Many years ago, a friend who is also a physicist like me, visited me and we talked about a few matters. When he told me that he began learning Excel, I knew I could impress him. I told him that … Continue reading

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