In life, all good things come hard, but wisdom is the hardest to come by.Lucille Ball It's been coming, sure and steady. Dad's been promising for the last several years that at any time he could…

A little group theory a la QFT Demystified. David Tong's Procedure.  The Norm of the quaternion is --------------. The Norm of a biquaternion is --------------. Can I solve a problem is…

Derive SR from 1.Preservation of Causality and 2.The Constancy of the speed of light. with a focus on the spacetime interval. (like Brian Cox)

Are you a 20-something with a brand new degree and looking for advice?  Well, thanks to warmed-over Keynesian economics America is now a financial demilitarized zone and it isn't going to change…

Since "spacetime" is simply a term for a space that has a component we call "time", we need only concentrate on spaces in a somewhat general sense.  Now, as Derek Potter, on this site, pointed…

In 1888, someone killed five prostitutes in London's Whitechapel district and came to be called "Jack The Ripper" - since then, everyone from Sherlock Holmes to officers on "Star Trek" have weighed…

Athletes sometimes 'choke' - succumb to pressure and underperform - in key situations. How can an athlete be among the top 1,000 participants in the world at a task and be paralyzed by situations in…

It's no surprise that tattoos and piercings have been linked to other risky decisions but capped Internet bandwidth?   Some people don't like that Internet providers have been secretly capping…

NEXT GENERATION BIOFUELS DEALING WITH ENVIRONMENT AND ENERGY   ＜Ashwani Kumar ＞ ＜  Department of Botany and Biotechnology, University of Rajasthan, Jaipur, 302004, India…

 A calico lobster, a mix of orange and yellow spots, is a 1 in 30 million specimen according to researchers, and thus has been spared from being delicious. It was caught off Winter Harbor, Maine…