Timeline for Does everything with mass or energy have a gravitational pull?
Current License: CC BY-SA 3.0
11 events
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| Apr 4, 2013 at 15:02 | comment | added | Waffle's Crazy Peanut |
@Prathyush: Ahh... This has become a debate. The only reason I didn't revise (now revised) is because I don't wanna bump the question again & again in activity. So, I inserted a quote: Newtonian ;-)
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| Apr 4, 2013 at 14:59 | history | edited | Waffle's Crazy Peanut | CC BY-SA 3.0 |
Oops...
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| Apr 4, 2013 at 14:55 | comment | added | Prathyush | photons do curve space time due to a non zero stress energy tensor. | |
| Apr 4, 2013 at 14:51 | history | edited | Waffle's Crazy Peanut | CC BY-SA 3.0 |
added 66 characters in body
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| Apr 4, 2013 at 14:08 | comment | added | Michael | I'm the kind of person that likes to nitpick about the existence of in-principle-unobservable signals (have you heard of standard model baryon number violation? How about laboratory scale effects of certain dark energy models..?), but I completely understand that there exist people who have better things to do with their time. :) | |
| Apr 4, 2013 at 14:01 | comment | added | Waffle's Crazy Peanut | @MichaelBrown: Ohh... Thanks for the fairness. Then, my post can have a long lifetime ;-) | |
| Apr 4, 2013 at 13:56 | comment | added | Michael | To be fair to you it is an effect that nobody will ever observe. :D | |
| Apr 4, 2013 at 13:54 | comment | added | Waffle's Crazy Peanut | @MichaelBrown: Ahh... Okay. Man, You guys point out everything. Damn.. Good thing that I've used an under-quote at the last. Or else, I'd have got a bunch of downvotes ;-) | |
| Apr 4, 2013 at 13:52 | comment | added | Michael | Here is a (paywalled) article which apparently deals with gravity mediated photon-photon scattering. It is also in Zee's QFT textbook. | |
| Apr 4, 2013 at 13:50 | comment | added | Michael | Actually photons do have a gravitational field (though you must use GR to calculate it). You can even make a black hole with enough electromagnetic energy together in one place. | |
| Apr 4, 2013 at 13:48 | history | answered | Waffle's Crazy Peanut | CC BY-SA 3.0 |