this is an interesting line of questioning and shows an intuition that the light inside a perfectmirror balloon could act like a gas it could...
Me too, and you know Unruh radiation? I have a vague memory of someone at SLAC doing an experiment around year 2000 that touched on the Unruh...
my favorite 2003 survey, may not be best for everybody My favorite survey of cosmology may not be best one for you but anyway here it is...
Does anybody out there have a favorite? If several people suggest "recent survey of cosmology" online articles then Dave can take his choice from...
improved observation tools since 1992 have revolutionized astronomy pace of new discovery since 1998 has been especially fast in cosmology a...
there is ample observational support for the existence of supermassive black holes no empirical evidence is ever absolutely conclusive but the...
I think we read the same story. It was by Larry Niven. two of the astronaut/scientists who found the communication device, call them A and B, had a...
Re: scientific time interval ;) I seem to recall that if we switched to the Planck time unit (2002 CODATA recommended value posted at NIST...
You ask for opinions. A black hole is a GR thing (predicted by General Relativity and to some extent confirmed by observations) and so to understand...
Re: Earth mass greater this is outstanding, thanks! Have you seen this one?...
that is fascinating, thanks for the link. the article said it was not that it was speeding up it was that it had, at least temporarily, "stopped...
this was discussed in a 1970s study by the National Academy of Sciences that was initiated around the issues of to what extent government should...
diffeomorphism are just smooth mooshings around diffeomorphism is jargon for "smooth mapping" like kneading sillyputty or stretching a sheet of...
trying out various explanations there are a bunch of people here at SciFo that could offer various different intuitive handles on these...
Then you know more than most people do about those two ideas. Didnt see your post earlier or wd hv responded. For starters I will fetch the...
Blobrana already responded and I basically agree but will try to answer anyway (no harm in getting two answers?) You asked if people can tell if...
It is always good to have a few dissidents IMO because it keeps the majority consensus people on their toes Alain Blanchard came out with this...
can anyone here estimate the neutron flux? Here is a fly-through of the ITER design http://www.iter.org/ITERPublic/ITER/fly_through.html Here is...
we use words differently when I say quantum theory I mean a family of theories (QFT, QED, QM and each of these can I suppose be broken down into...
the acronym OWL seems to refer to two separate proposals for orbiting telescopes in the link you give here it refers to ESO's idea of a 100 meter...
Separate names with a comma.