Category Archives: Science

Today (2021-12-06) Google published a doodle that has to do with cutting pizzas. In this blog post, I will provide the questions and their answers. Each of my answers depicts the last cut that is about to be done. I … Continue reading →

In the game of NIM, a few rows of objects are laid out. Each row can contain a number of objects, not necessarily the same number as the other rows. There are two players that alternate playing. Each player HAS … Continue reading →

People who claim that the Earth is flat rather that spherical, and people that just are not sure whether Earth is flat or spherical, all they want is scientific proof in order to believe this or anything else for that … Continue reading →

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 →

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 →

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 →

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 →

“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 →

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 →

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 →