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…

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…

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…

 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…

I recently found a physics book I've enjoyed so much I'd like to share it with others interested in physics. Because physics is a hobby for me and something I've studied in the past, I enjoy books…

People who claim to see the 'aura' of others - and subsequently claim they can modify them - may actually have synesthesia, according to new research. Synesthesia is believed to occur due to cross…

CONTENTSPART A: Introduction: does the inertia of a body depend upon its energy content?PART B: The Toolkit: mathematical and physical assumptions PART C: The Thought Experiment and the Word…

Today I read with pleasure a paper on Supersymmetry which is surprisingly well written and clear. I can only warmly advise anybody seriously interested in the phenomenology of SUSY (in particular,…

As you may already know from the Science meets Society “interview” with me (from SMS’s published German version), Sascha Vongehr has finally left the postdoctoral limbo and entered some different…

Shortly after celebrating the tenth anniversary of its time in service, engineers have declared the Envisat satellite lost, following numerous attempts to re-establish contact since April 8th.…

Which countries are the best at providing higher education?  The Universitas 21 Ranking was announced today at Lund University in Sweden. Universitas 21, a network of research universities, has…

The family of Upsilon resonances is among the few things that can always cheer me up and remind me about my fascination for elementary particles when I get bored about my job. The sight of their mass…

It's always a little irksome to see or hear 'X causes Y% of cancer' because, really, it is the kind of culturally partisan gibberish that has made it possible for disreputable genetics testing…