The Nature of the Universe, Time Travel and More...

[Candleicious Ghost]

I don't mind her videos plus she has a cool name that could almost be a Big Bang character.

 

[Will The Serious]

She isn't always correct in her assessments of some papers,

Well, Einstein was probably wrong in his assessment of Niels Bohr's theory, so even the best have their moments.

-Will

 

[Asbo Zaprudder]

Well, Einstein was probably wrong in his assessment of Niels Bohr's theory, so even the best have their moments.

Perhaps both were wrong.

 

[Will The Serious]

Perhaps both were wrong.

I have no doubt that, like Newton, Einstein and Bohr will become hallowed names in science, who's theories have become more pedagogical conveniences, than truths of how the universe works. The law of conservation seems to be the only one that really holds up no matter what.

-Will

 

[Asbo Zaprudder]

I have no doubt that, like Newton, Einstein and Bohr will become hallowed names in science, who's theories have become more pedagogical conveniences, than truths of how the universe works. The law of conservation seems to be the only one that really holds up no matter what.

Law of conservation of what - energy and momentum?

Is Energy Conserved in General Relativity?
In special cases, yes. In general, it depends on what you mean by "energy", and what you mean by "conserved".

/http://math.ucr.edu/home/baez/physics/Relativity/GR/energy_gr.html
Here's another explanation:

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[StarCruiser]

Yep - it appears that conservation is conditional...