Ask Ethan #13: Where does matter come from?

“If you see an antimatter version of yourself running towards you, think twice before embracing.” –J. Richard Gott III It may not occur to you that it’s a special thing that the Earth and everything found on it is made of matter; it seems intuitive that it couldn’t be any other way. And yet, the … Read moreAsk Ethan #13: Where does matter come from?

How Big is Our Observable Universe?

“The mind, once expanded to the dimensions of larger ideas, never returns to its original size.” –Oliver Wendell Holmes When General Relativity supplanted Newton’s work as our theory of how gravity works in the Universe, it didn’t just change how we view how masses attract, it gave us a new understanding of what the questions where … Read moreHow Big is Our Observable Universe?

A thought experiment for the relativity skeptics

“Great spirits have always encountered violent opposition from mediocre minds.” –Albert Einstein It may be hard to believe, seeing as how it’s been our leading theory of gravity for nearly a century now, but Einstein’s General Relativity is possibly the most frequently challenged scientific idea of all-time. Of course, it’s emerged victorious from each and … Read moreA thought experiment for the relativity skeptics

So just what is out there beyond the Standard Model?

“Other than the laws of physics, rules have never really worked out for me.” –Craig Ferguson Earlier this week, evidence was presented measuring a very rare decay rate — albeit not incredibly precisely — which point towards the Standard Model being it as far as new particles accessible to colliders (such as the LHC) go. … Read moreSo just what is out there beyond the Standard Model?