First I will play the old gauge symmetry game repeated everywhere for EM. I will then teach that old dog a new trick that ends up with the same bone. I will then struggle a little over the lingo to…

This Sunday I had nice discussion with Dr Sameer Agarwal our close relative and a senior Pathologist from Jaipur and he showed me some papers on the role of leaf extract from Papaya curing/ improving…

The CHIPP 2012 winter school of particle physics is over, and so is the 50th winter meeting on nuclear physics. The two events had three things in common: they were both held in renowned locations…

This is pretty funny; this is based on (supposedly genuine) letter sent to a well respected US museum. Obviously the names of institutions and individuals have been changed. Dear Mr. Smith: Thank you…

I read ArXiv regularly. It's not easy because most of the latest publications of physics go there before print. Apart from pedagogical articles (for teaching purposes), all the articles are aimed at…

Fire a machine gun at a wall with two slits. Look at the pattern bullets make that pass through. The pattern is the sum of two Gaussian curves. Classical physics makes sense. Repeat the exercise…

A particle which flies from a point C to point L in the Earth gravitation should submit to the brachistochrone problem decision.  Well-known that the particle flying in a gravitational field of…

The membersof sub family Papilionaceae are herbs, shrubs or trees found in all climates but mostly between and near the tropics and are more abundant in the old than in the New World. The family…

Adult science literary has tripled since I was a kid, despite the shrill claims that teachers are incompetent, people are stupid and science education is "dismal" that we seen thrown around in…

Copyright Infringement and International Law What with the day of action on SOPA taking up the front pages of the media, a new legal definition published by the UN has been mostly overlooked. I think…

Dec. 6, Spinning the Interaction Story: Spin 1 (1 of 3)Snarky puzzle Figure out how to represent any quaternion using 3D rotations and one complex number. BackgroundComplex numbers are critical in…

The decisions of life and death are not easy to make, whether it's about a loved one on life support or the need to spare a beloved pet suffering. As one family struggles with the harsh words of an…

William Macaulay, in a review (1839) about the recently-published book by William Gladstone, The State in its Relations with the Church, wrote:     Mr Gladstone conceives that the…

Salinity is a global problem. The continuous loss of arable land due to irrigation in arid and semi-arid regions of the world, over-exploitation and mismanagement contribute to global change in a way…

We're used to outrage in the disability community, of hearing or reading a story and running with it. Sometimes, it's to attack and condemn other parents or individuals, but sometimes, when the…

I was going to talk about neutrinos today, as the results of MiniBoone looking at how muon neutrinos mix into electron neutrinos had just been published earlier this week, and wanted to write about…

Windows 8 will be the biggest thing in the world of Windows since Windows 95.   That is my prediction based on months of using it in virtualization and now natively on my convertible tablet PC.…

Ari Levaux, a food columnist, wrote about genetically-modified organisms (GMOs) in The Atlantic. Fair enough, it is a hot-button issue among anti-science progressives and they need to sell pageviews…

“It is said, with prefect truth as regards many matters, that ‘a little knowledge is a dangerous thing’, but there is no doubt in my mind that even a little knowledge – provided it be sound…

Part I listed often-overlooked things that when taken along make your trip comfortable, safe, and productive. Part II looks at tasks you’ll find helpful to do before leaving for the airport. As…