How do airplanes fly? The next time you find yourself in an airplane, look around at your fellow passengers. How many of them would be able to explain to you what force keeps the hundreds of tons…

Einstein’s Achievements ( Part : 1) Einstein’s theory for Brownian motion:    The motion of tiny particles suspended in liquid is caused by the kinetic energy of the liquid’s molecules.…

Through my colleague Marco Cirelli I got to know about the effort of 36 high-school student of Charlottesville (VA), who are fund-raising for a trip to CERN this spring. I thus visited their home…

Precognition is under scientific investigation, though often with the aim to obtain null-results in order to discredit such ideas. In fact, “extra-sensory perception” (ESP) and “precognition”, “…

Update: I have modified the title of this post [originally: "Opera's Statistical Booboo"] and the text below (in places I marked accordingly) upon realizing, thanks to a very good point raised by a…

The more I read on this topic, the less confident I get. If you wish to read a solid technical explanation, I recommend a reply by David Simmons-Duffin sent to me by Henry. It all comes down to…

In this century, I believe that Physics will enter into an another remarkable area of basic understanding which we can not discover yet. No, I am not saying about the experimental facts of CERN or…

Occupy Hilbert Space is a quirky event proposed by a Facebook friend of mine.   A Hilbert space is a formal mathematical construct in which the information about a physical system is represented…

A blog is by nature a place where things move on fast. Articles disappear beyond the horizon in the matter of a week or two, and only rarely get resuscitated by a later article linking them back from…

Was Galileo wrong? The answer is no. Then what is special in Einstein's Special Theory of Relativity(STR)? The answer is that in STR , we know about the kinematics of high speed objects. In a…